IILIIA" SERVICE MANUAL GENESIS 32X(VAO,VA1) I MEGA DRIVE 32X NO. 012 ISSUED JUNE, 1995 CONTENTS 1. SPECIFICATIONS · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 2 2. IDENTIFYING PARTS .. · · .... · · · · .. · · · · · · · · · · · .. · · · .. · · · · .. 3 3. ACCESSORIES· · · · .. · .. · .... · · · · · · · · · · .. · .. · · · · · · · · · .. · · · · · 3 4. DISASSEMBLY············································ 4 5. ADJUSTMENT···~········································· 5 6. BLOCK DIAGRAM · · .. · ............ · · · · · .... · .. · .... · · .. · · 7 7. SCHEMATIC & CIRCUIT BOARD DIAGRAMS · · · · · · · · · · · · · · · · 9 8. PARTS SPECIFICATIONS · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 19 9. EXPLODED VIEW & PARTS LIST · · · · · · · · · · · · · · · · · · · · · · · · · · 34 9-1. Exploded View · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 34 9-2. Mechanical Parts List · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 35 9-3. Electrical Parts List · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 35 9-4. Accessories/Package List · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 38 Sega Enterprises, Ltd. BEFORE REFERRING TO THE SERVICE MANUAL Since the circuit of the Extension Unit used in the GENESIS 32X has been integrated on the main circuit board, an Extension Unit is not necessary for the GENESIS 32X(V Al ). This circuit is built into the MEGA DRIVE 32X from the first unit. 1. SPECIFICATIONS Ratings MEGA DRIVE 32X Model GENESIS32X PAL PALG/1 Power input Input: AC120 V, 60Hz Input: AC230 V, 50 Hz Input: AC240 V, 50 Hz Output: DC lO V, 850 rnA Output: DClO V, 850 rnA Output: DC9 V, 850 rnA Power consumption Approx. 4 W Approx. 4 W Approx. 4 W Operating environment Temperature: 5 "C -35 "C Humidity: 20%RH-80%RH (no condensation) Dimensions 115(W) X 210(L) X lOO(H) mm Specifications Master 32bit RISC SH2 23 MHz 20MIPS CPU Srave 32bit RISC SH2 23 MHz 20MIPS RAM 2Mbit (SDRAM) Memories VRAM 2Mb it Sound PWM Sound Source (Stereo) VDP SEGA custom LSI Display TV Display capability Color 32,768 colors VIDEO Video Output RF I Slots I Cartridge slots I RGB -2- 2. IDENTIFYING PARTS Front View 3. ACCESSORIES Connector Cable Spacer for GENESIS II /MEGA DRIVE II RF Unit Cartridge Slot (PAL version except for France) Rear View Conversion Cable AC Adaptor Mono Cable Scart (France only) -3- AN IN Jack AC Adaptor Jack AudioNideo Cable (Mono) Electromagnetic Shield Plates Extension Unit (Only GENESIS 32X VAO) 4. DISASSEMBL V 4s1. Top Case Removal (See Fig. 4-1) 1) Remove four screws® and the top case. Fig.4-1 4-2. Sub Board Removal (See Fig. 4-2) /Top case 1) Remove ten screws @ attached the top shield case. 2) Remove two screws© attached the 64-pin connector. 3) Remove two 40-pin flat cables on the sub board. 4) Remove the sub board showned as arrow. Fig.4-2 4-3. Main Board Removal (See Fig. 4-3, 4-4) -4- 1) Remove four screws @ attached the front case and rear case on the bottom case and then their showned as arrow. 2) Remove two screws ® attached the front case and rear case and main board. Rear Case Fig.4-3 ear case Flg.4-4 5. ADJUSTPvlENT Video Frequency Matching Adjustment Test equipment and tools for adjustment 1. Regulated power supply (SV DC) 2. Frequency counter (capable of displaying 7 digits or more) 3. 10:1 oscilloscope probe 4. Philips screwdriver 5. Non-metal adjustment driver 6. AC adaptor excusively for super 32X 7. One lead for GND and two leads for SV Connections of test equipment Regulated power supply lA'\/ 0 lA'\/ 0 GND V 0 AC adaptor excusively for super 32X To AC outlet Frequency counter j3.5795456MHzl To DC Jack Connect to 10:1 probe to IC12 pin 20 Connect to GND Pattern AdJustment procedure I. Disconnect the super 32X from the Mega Drive. Connect to IC12 pin 31 Sub Board 2. Remove the top case and top shield case from the super 32X. 3. Plug the AC adaptor into an AC outlet and into the DC jack. 4. Set the regulated power supply to 5V DC and connect it to ICI4 pin I. (The super 32X turns on.) 5. Connect 5V DC to IC12 pin 31. (Set to the test mode.) 32 31 17 ~ 1 16 6. Connect the frequency counter to IC12 pin 20 and adjust C72 so the frequency is 3.579545 MHz ± 10Hz. -5- MEMO -6- 6. BLOCK DIAGRAM A SIFT\IARE SELECT ABLE r----------------------------------------------------·---------------------------------------------------, : 32X BLOCK DIAGRAM I I I I I I I I I I I I I ROt1 CARTRI OGE L AOORESS S\1[ TCH 8 ET\o£EN GENES! S/110 At() 32X. I SII!TCH IS SET V lA I A REG! STER IN !C 4. [ I ffiOV !DES []1A CHANil:L GEti!MO TO/FROM 32X <8. l6bit WOROSI - ICII SOUND MIX I I I I I -rnt~ln I -8 I T MAP MODE I -SCREEN SHIFT CONTROL I -AUTO KILL 1 ::~ri mt gr~~T ADOOESS I ·FROil: BUFFER CONTROL I I I R G. B. VIN CVI!£0 I !Cl2 I : I VREF. !REF. vIDEO I CN? TO TV /- ----------------~ '-, SRl<SR41 RGB.VINC.SYNC r--....._; BVEIMEN llf'UT - ' I ~ A~~~ '------ -GE~E~IS;MD-------- '-,' ~+----------------- _____ s_L_l <s_L_•~ ____ Av-cc._A_oo _________ _, IbM! X :~ l 51/ITCHES \ 1 -- - ' R. G. B. CVJOEO SlllJlO / I TO PRIDJCE ON: ~g~~¥~!~0.,' ------ ',,, r----------------------------t~~-~:::: SOt.t.O : OOTPUT ANALOG I ---- ''--------------- ------------------------------ __ -------------------- ___ J 1 _-- VA1-VA23. VOO-VD15. VCONIROL ANALOG I -- --/------------------------+----------~,~~ ~-- --- T- - --:; ::;- .;:;--::::: ~: /--- - ·- -- --------- -..., r"-- ':......__-..:..._---- ---------- ----- ------------ - - -...., I I l s=L I I I I I I I I I I I I I I I I I MAIN CPU CN3 I AUDIO CPU VOP I- • FM/PSG • 0/A • VI OEO ___j RGB r-- ENCODER II l CNI SRVSL2 u SR1/sU AUDIO MIX MEGA DRIVE 2/ GENESIS 2 CNIOI BOOT ROM co DRIVE SRVSL2 GAME (I MAIN PROCESSOR CPU 1 co ROM co DECODE r-- CONTROL SECTION I BACKUP I MEMORY I l PCM SOUND SOURCE PCM 0/A I I AUDIO MIX I ~------------------------------------~ '1EGA C02/ SEGA C02 L--------------------------------------J B c 0 E F ( ' J. -1- 2 3 4 5 6 H 7. SCHEMATIC & CIRCUIT BOARD DIAGRAMS 7-1. Schematic Diagram-1 {Main Section- 1/2) 2 3 4 5 6 To SUB CN3 Pl Pl VOl voo Vll8 V06 VOl V09 V05 V02 VOID V04 VOl VOII T4 ~r5 ~ tSV r RMJ I !OK I '"VO,_,_I,_O -o-11 r--i'\1\tv+'B~~ I '"V0~4--'2'l'V\M-'-7 _ _. I '-'-'VO"'-J--'l'l'\1\M-o-6-_. I '"VD,_,_1,_1 _4'l'\I\M-"-S_ _. I ~ I RM4 I IOK I , '-'V0,_1 lo------7!1 ,--'V\J'Vl-'8,.----, I -::;VDC'12,_-:2it\IVV!<7,----__, I ,V,_,0,_,_14;-_J'+'I.IV'vt.b-~ : _,_,V0,_,_15~_4'-t'--'V\J'Vt-5-~ I RM5 I IOK I '107 5 r-- 4 I .. '100 6 l I 'lOB I 2 I=V068 I I I I I lUI \09 6 l I 2 8 I L __________ _j IVAI OOLYI R61 B. 2K R62 l vJ 2K II 10 5 b I+ C4 ~---'-Q T 68P I C9 E I C9 C rJr ~ USE 74AC04 74AC04 IC9 D 74AC04 FBI ~:~ ~~ VAl VAl 82 ~:; 1'--,V:;;A;;-4 -~Birl VA4 1'--.~:;i,:i-~ ---ji~~rl ~:~ 1'--,V:;;A;.I --'CIBrl VA I l'--,~7i:ii-~ ----'.:;~,-~ ~:~ l'--,~7i:7': ~i---';;~;1 VA 10 I'--;V7iA7,12;--;,7lrl VA II I'--;V7iA'i'l 3 ;-----'.: 72 ;-t VA 12 I '--;v7iA7'14;--:,;IIrl VA I J I '--;V';;;A7'15;--7,~~rl ~::: I'--;~';;;:-;,;: ~;---7; 68 ;-t VA 16 I '--;V';;;A-;;18;---76 lrl VA II I '--;V';;;A-;;19;-"""1;;;0 lei VA IB vee RbS l'-•v"'A*' 20 ;--; 1 ;,; 02 ri vAI9 1\ i OK I '--;v';;;Ao;; 21 ;--; 1 ;;; 01 ri VA20 T NO uSE 1 '-•vtiA;;; 22 ;--; 1 ;;: 04 c-t VA21 [c_VV\r-f--+--'-V"'A2'-"J_l,_,0"-15 ~:~; R64 ~ 0 5sE 1'---i;~ii:~~c---;~;;;~; ~~~ I'--7;;VD2~-.;;; 95 ;-t VD2 l'--{;iVO~l--i;'98H VOl l'---i;Vi'i04;---;9i77; V04 l'---cv;cos;--,_,9<74-1 vos I'---C:V;c06;--,9o;l-l V06 l'--{;iV0~7--i;85rl VOl l'---i;V',i;llB(---;9~0; VllB I'---7:Vii-09C;;--;9~l-l V09 !'!'===~~;~:~~==~:~~~ VOID V012 Ill VOII 1'---C:voiCI"il--;.;11;-;.6-1 vo 12 1'---C:~iC~::.::--;.;: :~~-~ ~~:; '---==-~"-! VDIS 1?~0_!1M IV~I ONLY! 9 >-"B--t-''0~,~~-'-T-f/-----------711~1129,-J VCLK ' uu r r L ' ~ -MVRES -----T,;;;CJ VRES 1 '-DVCLK 1 i,r-- -RESET I DD MRES I~GNOI L ___ .J FB2 f~~~~~~~JB!Ii=~~=t~~~L~I---==-t-t---~--------~L__ EOCLK -lt'RES B2 Tb -MMRES SRI 83 VAq SRI ~~VA~9~~6~4~~ ~-VcoA7.10;_~B"'5~~ ~-AS ~AS r--- -MCED IDI CEO FBJ 2400HM [r-- -MASEL ~ ASEL CAS2 CASD OTAK LIIR U\IR CART VAI8 86 ~ ~-VcoA7.19;_~8""1'-l~ ~~v"'A2""o;-~BB~~ ~-VcoA~21~~8~9'-l~ ~-cVcoA0<:22;-+.:8~10.-l~ ~~v7i~:<il~~8~11~~ -NYS 812 -MVSYt¥: 813 -ttlSm:; B 14 EOOJ< 815 -t(;ASO 816 ~TI Ta 19 CASO IVAI ONUI NTSC -MYS -MVSYNC -MHSYNC I ::!:: C<' ::!:: 68P ~6 USE ® -l'l:ED 817 -AS BIB -MCASD ~ r 6f.f' r 'vCLK'IVAI Oti_YI rAS -,.___ r -MCEO =-::L-+--+-, IINO USEll IVAO lR Yl i,r-- -MCA$2 II J ~ -MCASD O I ::! r .L-=-~t~k - -,IVA IJU 12 D !:--=-: -ML\oll - J r 121 I~:~~~ 7 I I I I I I I I I I L_l MVCU< Bl9 -ttJTAK 820 -~ '-, }- -MAS::_~ '-1----,--'-,r:'_,-_c_---t-"~'-~=-::L Til lr • L .-~ L M)'!:L!_ - _j ' L II~' fL MOIAK ,---J I DT?AK -_j I I l I -11:AS2 B21 VOI5 822 V014 B23 VOll B24 V012 B25 VOIS V014 VO!l V012 IVAD i)t{_yi -MASEL 826 ' -, -MASEL ~ -MYRES B27 -lt_\oll 828 -ttJ.R 829 -Ml BlD -Tit£ BJI -tf:ART Bl2 CARD EDGE (64P) A TIJ 114 "TIS 116 -MVRES ---._ NL\oll --. I1WR ~ -Ml ~ -Tit£ ~ c__ll!'_, IVAO Ott_ Yl -NCAR!~ r ----, I >---0 VRES I I C53 I i JIOOP I L.:. ____ _j lVAI lRYI ~ CS2 T 68P r!r ~ USE 8 -MCAS2 ---~~ --9-- I ~3~ I I ~USE I I I I I Lv~c __ _j IVAI ONL Y1 c Ie4 A JIS-5818 _.-------------------------------------SHAI-21@ ROO :~: ~;~: ROI 16i CT02 R0 2 162 CTOJ ROl 163 CT04 :~ 164 CTDS R06 :~ ~;~ :~ 161 CTOB R0 9 168 CT09 RO I0 t--i'il6;;,9 __,c;;;T;;;D 1,_0 _, RO II t-T-li~O__,C;;;T;;;OIC\:1_, RO 12 t-T-ll;;;l--;,-CT~O,;;l2;--'l RD 13 tT-'7,.2_.,._cT~Oc;-l 1:--'l RO 14 t-T-'7;;J_.,._cr~ocii"o--' I RO 15 rl7_:o4__cCe.:T"'O 1"'5_, ['-_,;~;,;~;_! --'~~ 8 ,-J VA I ['-_,;V;,;A~J --'2~7~ VA 2 ~=~V~At4 ===2~6~ ~:; ['-,V;,;A'f-5 __ 25~ VAS VAb 24 VA 6 l'l'==~~~tl ===~~l~ VAl VA9 21 VAB 1'--'V:,:;A7,l 0,.----2;;;0;-J VA 9 l'--cV7iA.:Clli--';;l 9 rl VA I0 ('--,V:;;A-;;12;--+;18rl VA II I'-~V7iA'i'll;--;;17rl VA 12 ['-,V;,;A,;ci4;--;.;16,-J VAll 1'---'V:,:;A-"15'---'-'15;1 ~~: ~ I'--'V'-"A-"16;_---'-;14rl VA 16 ('--,V'-"A.!-:11~-"llrl VA I 7 I'--'V'-"A_,I8'---'-:II,-J VA IB OVAI9 ~ 4 ======:=======+t===~ltiO OVAI9 OVA20 f-~ 9 OVA20 OVA21 VA 22 ~ OVA21 SEL 151 OGEO p;;; 15 ,;- 4 ---- 0ASEl p;;; 15 ;;- 5 ---- 0CAS2 p;; 15 ,.:; 6 .---- 0CASO p;; 15 ;;; 7 --,--- 0L\o£ 158 Olio£ p@- 2 ~~~ t-i-3----- CKIO ~JJ'----- CHPLL ~ KILL r-L- 8UNRI ~ ' -:CEO~ -~ASEL ~ -;CIS2~ -GCISO ~ -.;Lioll~ P';HO ~ PI:HI ~ CKIO AVCC 1\:C AVDO 129 9 ~ao. J ~CI ~C6 IJD To. 1 ' :y::' 7' AGNO ('--,V::;A"'23~--'6,-J VA 22 '-="-----''-1 VA2l ('----;S;;:HA;;_l _ _:4;.;-0-I SI1A I l'----iSHA~2.--'4"'1-I SHA 2 I'--~SHA.;;"-l-,:::42;-1 SHAJ I'----;S;;:HA;;::4 _ _:4c;l-l SHA 4 l'----iSii'HAi'iS--=4~4-1 SHA 5 f'---"S;,;:HA,;6,-_:4;75; SHAb f'---"S;,;:HAc;;7 _ _:4c;6; SHA 7 ~===~~g:~~~=~~~~~ :~ f'---"S;,;:HA~t'C-0 --;4"'9; SHA I O f'---"S;,;:HA~I;_I -;5~0; SHA II 1'----;S!,'!HA;c-1~2 _,5~1-1 SHA 12 1'----;S!,'!HAc-;.1"-l _,5~2-1 SHAll ('----;S!,'!HA;c-1;,-4 _,5~4-1 SHA 14 1'----;S!,'!HA;.>-Ic;-5 _,5;;<5-1 SHA IS I'---';S!,'!HA~I~6 _,5~6-1 SHA 16 1'----';S!,'!HA;-'-1~1 --'5~1-1 SI1A t I 1'----';S!,'!HA~I;-8 --'3;;9-1 5HA 18 I'---';S!,'!HA;;_lc:,.9 __,30:8-1 SHA 19 I'---';S!,'!HA"'2'CO ----'l~l-1 SHA 20 '--"'SHA2=1_::ol0'-l SHA21 '--------"'58=-j SEL res 315-5805 Ie9 A RA I 1-4;--,;,CT;;A.;,l ~I RA2 ~-.;;- 3 _ ___,~ic.:'i-~~1 RAJ t 2 ~1 ==~C~TA~4=~: RA 4 .-80 CTAS RAS ~19;-___,CTF.A7-6 ~I RAb 18 CTAI ::~ 1 16 1 CTAB RA9 75 ~::~0 RAIO RA II hi 4;----;;;CTio-A;-;ill;-' I RA 12 J-;;73(--iiiCT:';A;';l2;-/j RA I J 17,7 0(------iiiC Tc;A ;,:;13;.-/1 RA 14 J-.'Cb9;-~CTC:.Ac;l4'-'1 RAIS 1-7:~;-_.;;~"'i:c:-:~:'--'1 RA 16 1-"'66'--~CTC:.A:.:;ll'---1 :::~ I-"'6 0 5 4 '-~CT;:;cA;,:l8,_,-l RA 19 1-'." 61 ;-~~::7: 2 ., 1 :;-'I RA 20 J-;:;b2;-~CT:=.'A2;;;1'-"I :~~ J-.'C61;---,-,CTF.A2:<i2;--' I RA 2l ~60=--=C-"TA"'2"-l-" vee l(> !.,CE2 J:c42 ,'47• ro. I• CKIO 32 St£LK L FTOB I BR£0 1--"'lSc__ ______ ___ +- -8REQS llBACK f-0' 36 '-------------+- -8ACKM Q) OBACK J--=" 37 -----------+- BACKS GNOS oot-#- oo~ GNO~ Gt()~ GNIJ t2!- ICC lcto lc9 1GB To '•TO ,, r 7• F85 7 4ACO' FB6 0 '- CK!O SHCLK ~ 0 12DOHM vee cs 4IP T NO USE rJr E F -- 10- ® POlO -RESET POi I -lt'RES -MVSOC -~sm: jr-- -CCASO jr-- -CCEO -AS FTOO SLI SRI AI A2 Al A4 CNl PCHO -RESET CTA8 l__ AS A6 AI A8 A9 AIO All Al2 All 114 AIS Alb All AlB A19 A20 PCHI vee vee CUB CUll CUI CTAI2 CU6 CUll CUS CUI4 CTA4 CUtS CTAJ CTAI6 CTA2 CTAII CTAI CTAII CTAI CTA12 CTA6 CTA!l CTA5 CTAI4 CTA4 CTAIS CTA3 CTAI6 CTA2 CTAI7 CTAI CTA9 CTAIO CTAIB CIA19 CTA20 CTA21 CTA22 CTA2l CNl 81 FTOO 82 SLI 83 tSV 84 SRI 85 -lt'RES 86 CTA9 87 CTAIO 88 CIAI8 89 CTA19 BID CTA20 Bll CTA21 Bl2 CTA22 813 CTA23 814 -YSO 815 -MVSYNC 816 -~SYNC 817 -CCASO BIB -CCEO To SUB CN4 To SUB eN.: [F B19 GNO I ~- - ~ 2 ~- ~NI~AlOiL) ,------------1 V;--11AS~ v+-HVCLK~ Jl L ___________ _ CTOI CTOO GlOB CTD6 CTOI CT09 CTOS CTD2 CTOIO Cl04 CTOl CTOll iVAO Gii_Tj CN2 AI CTOI A2 ClOD AJ ClllB A4 CT06 AS CT01 A6 CT09 A? CTOS AB CT02 A9 CT010 AID CT04 All CTDJ Al2 CTDll All -AS To SUB eNS Al4 vee 1'3\ r -:= ------i---i~=w.~ltit=1f~~~=~ \.::V Al9 GNO 100 .l. A2D lOB BFP- '" eN2 r-------- ~~~~~ lVAO MYI ~ -CCAS2 r IVA I ONLY! I I IVAO ONLY! 1 ~ 6 ~ vee I I I I -CASEL -=-rMiEs · ' v--= -::-CL\;11 J ~ -I'!Ml ~-Ml ~-Tit£ L r-= -=-tt:1so·l r ~Ao iRli J v-- -rORT NTSC G ,J -------------l _ _ _ _ _ _ Bl -ttJTAK J r-------~--, lVAI tRY~- 81 GNO GTOIS ~; ~~~~~ 2 GTOI4 84 CT014 GIDll 85 CTOIJ CIOI 2 B6 CID12 r _:jlVAI MYI B7 -CASEL l1l B8 -MYRES Tl' 115 116 B9 -CL\oll BID MlfooR Bll -MJ 812 -Tit£ 813 1 117 1 ~ ::~ GNO -MCART _':::_ --='_ Bl6 •SV l__ 817 •SV BIB HISC Bl9 BFP ~'-'8"'-2D"-L_,G,NO'----+-' H VAOo-tl:ASO l VAl·--~ J To SUB eNS A B - 11- Al c CN2 = ..... c j 2 3 4 5 6 0 2 3 4 5 6 A B c D -12- 7-3. Schematic Diagram-2 (Main Section- 2/2) ~--------------------------------------------------~--------------------------------------------------------~---------------------------------------SHAl-21 ~ ICI II SH2 ~ASTER StfJO 130 OO Stfll Ill Ol Stfl2 133 02 StfJJ 135 Ol Sttl4 136 04 StfJS 137 D5 StfJ6 138 ll6 Stfl7 140 07 StiJB 142 D8 Stfl'l 143 09 Stfl!O 144 OIO Stflll I Oil Stfll2 2 012 Sttlll 3 013 Stfll4 5 014 StfJIS 7 O!S vee (:> CK!O 1--'-;11~8-+-+- SinK CKPACK -+h\- CKPREQ ___l_!L riJO~ rill ~ rll2 rffi-- M03r-rt9 M04~ 11()5 f--"'-'--- /lRLO ~' /lRL I D;-;:~"" 7 -+-- ;:~; p.:-:12"-6 -+-- -Stf11RLI ~ -SH'11RL2 ~ -SH'11RL3 ~ -SiflES ~ /RESET p;.;l2~2-+- !lf11 p;.;l25c=---H:T-----, /IVECF~ Tl ~ SCK !03 TXO 102 RXO 101 FTC! ~F,i FTI ~ L R2 !OK SCI< TXIl1 TXDS ~ 016 -To- 017 ll 018 ----tt 019 Is 020 It 021 17 022 19 02l 21 024 22 025 23 026 2s 027 27 028 ---te-029 ~OlD --=.:__ OJ! SHAI --* AD FTOA ~ StnK J FTOB FTOO IIIOTOVF ~ CD !IIGR 93 -8ACKM SHA2 32 AI SHAJ 34 A 2 SHA4 35 Al SHAS 36 A 4 SHA6 37 AS SHA7 38 A 6 SHAB 39 A 7 SHA9 41 AB SHAIO 43 19 SHAll 44 AID SHA\2 45 All SHAll 46 112 SHA\4 47 All SHA15 49 Al 4 SHA!6 51 m SHAI7 52 Al 6 SHAIB 53 Al 7 SHA19 55 liS SHA20 57 Al 9 SHA21 58 :~: +. A22 ~ A23 --#- A24 ~ A25 £ A26 _,--- -SIOlEQO -7'!- /OOEQO lr--- -SIOlEOI ---t;6 /00£01 --fg- /OACKO --=-- !DICK I /BRLS 92 -BREQS /BEN~ /\/All p~;;,: 9 ,------- -SHoll IT ': 87 :~E /\o£0 b~"' 3 '----- -SrllOtU 1\o£ I - SI{JQtt_ U !lo£2:&-- !lo£3j!!_ /RAS p 7 ;,; 9 ,------- -SHlAS /CAS BO -Sfr:AS RO/IIR 77 StflOIIR /BS 76 -st£5 !CSO p 7 ~ 2 '----- -Sfr:SOM ~ ~;; ;: :~;; -+ ~ /CS3 ?5 -Sfr:S3 _:;; =:::::: ic96 I EXTAL --1#- R3 IIOOPT I X l AL -ill- 3K L I!_ rjr .J CAP I 1- 7;1 O;;c8----'Wir--. 10 9 I AVCC fVAI CN_Y! CAP2 ~ Cl!,= 9 470P VCCPLL 1--'-' 10 "- 4 ---.---1--4 :!:?13 :!:T•Ct2 J 0 I• 4 7• rlr VSSPLL 106 vee 4 L vee --w- vee --w--- vee ~ vee 4i)- ~~ -tr- vee 54 vee~ vee it- vee!%- vee e-m- vee f--ill- vee f-ill- vee~ vee ~-'-'-- II IC 1e2 1-;P'"AR"'T"'S-:cNo:--.-r';DE;;iSCR~I"'P""li"'ONo:-1 C 96 · C9? 31S-0922 ICI:{)64!709Sf23 47PF 315-0922A ICI:{)641709Sf28 IOOPF 315-0998 ((Hl641709SF28 IOOPF vee lm lct81Ct9 1C27 lc~ lc36 I" 1. IQ l•IO I· I"~. I()_ I•IO 1• A 8 IC2 II SH2 SLAVE StfJO 130 OO ~: :i~ 01 Stfl3 135 ° 2 Stfl4 136 ° 3 StfJS 137 ° 4 Stflb 138 D5 SHill 140 ° 6 StfJB 142 ~ Stfl'l 143 09 Stfl!O 144 010 Stfl!l I Oil ~::~ ; 012 ~::~ ~ ~:~ '-='-"--;;-I 015 vee CKIO 1--'.; 11 "- 8 -+-- SHCLK ----~ CKPAeK -+h\- CKPREQ rJ-!L MOO~ :~ d.H=Q MOl~ M04 '-Wo-- M05 ~ !lRLO ~ !IRLl p;.;;l2~8-+- /IRL2 p;-;; 12 .;- 7 -+-- /IRLJ p.:-:12"-6 -+-- -SHSIRLI-- -SHSIRL2 --, -SHSIRLl--, SHAI SHA2 SHAl SHI4 SHA5 SHA6 SHA7 SHAB SHA9 SHAIO 21 22 AO 13 :~ 14 Al 17 A4 ;~ AS ;o 16 10 :; '9 A9 IC3 •P04502161 voo voo voo voo voo voo voo voo voo voo voo voo IC6 315-5781 ---+ 016 10 ~:~ 122 IR;~; p;-;;127-5 -+-&----, /IVECF ~ 12 -SHRES ---, R4 IOK r- - -SHCSJ ---%: v---- - -SHRAS ---jic v---- f- -SHCAS -fsC v---- f- SHROIIR -if: v---- f- -SHDOMLL --ji-- L-+v------IH-f-- -;:::LU jt v---- f- - SHCKE __l!_ cs RAS CAS 1.£ LOOM LOOM CLK CKE VCeQ r- 7 --U- 019 4 020 4 021 ~ 022 ____12_ 023 4 024 --4-o25 __R_ 026 --* 027 ::1tl 028 28 ' 029 29 030 ~ Oll SHAI --* AO SHA2 32 AI SHAJ 34 12 SHA4 35 Al SHA5 36 14 SHA6 37 AS SHA7 l8 ·.A 6 SHAB 39 A 7 ~~:io ~~ :t SHAll 44 All SHA12 45 112 SHAll 46 All SHAI4 47 114 SHAI5 49 AIS SHA16 51 116 ~::~ ~; All SHA19 55 Al 8 SHA20 57 Al 9 SHI21 58 :~: ---fl- A22 ---#- 123 4 A24 --* A25 -=- A26 f- -SHOREQO ~ IOREOO f- -SHOREQI ---it I!JREQI ~ /OACKO -=- lDACKI SeK 103 TXO 102 RXO 101 FTC! ~Fl FTI~ FTOA~ FTOB ~ IIIOIOVF ~ NO USE vee SCK ~ TXOS ~ TXOM ~ IBGR b 9 ;o; 3 --- -BREQS J fl\ /8RLS 92 -BACKS \V /BEN~ -Sf!WAIT ---._ (IIAI I 88 /CKE f%f-- /RO 1:>"'---- -SHRO MO ~ 8 ~ 5 --- -SMOOMLL ---._ AIEl Bl -SHOilt1LU ---._ M'2~ M'3~ /RAS 79 -SHRAS /CAS ~~ -SHCAS RMIR SHRI:Ml IBS ~--- -SHBS ICSO ~;~;----- -SHCSOS ~ ICSl 74 -SHCSI -+f---h_ /CS2 -SHCS2 -+f--'h /CS3 75 -SHCSJ _ -=:J-~ IVAI ONLYtfC97 I EXTAL --1#- R5 IIOOPT I XTAL -ill- lK l ~ rjr .J CAP! 108 '\r---j CAP2 ~ Cl4 _LA 9 vec 470P veCPLL 1--'-' 10 ::: 4 ---.-----1--4 J:T1ct6 J:Tcts VSSPLL 106 vee 4 .'> vee f-[f- vce --w--- vcc~ vee rw--- vec fa- vee r-st-- vce r-t)- vce T?-- vcc ~ vee~ vee~ vee~ vee r-m.- vcc~ vee~ 0 I• 4 7• rlr IC9 B IC9 F 74Actl4 R6 74AC04 -SI:tiD 3 >-4'--~ylBV0~~-'-'13'-l 12 j_C26 -SHROO ---+-----' c - 13- T IOOPI\'All m 120P 1\'AOI D 1'---i;SH:;:,A;:,I -~lSC-1 SHA 1 l'--i;SHA~2 -~l6rl :<1A 2 r---;;SHA;.::,:;-3 -~l7c-l 'iHAl f'---i'SH:7;Ai-4 -~lBc-1 1114 f'---i'SH:7;A7-5 -7il9-l :iHAS f'---i'SHA~6 -~40-1 SHAb r---;;:~~ -::;:;c-1 ~~:~ ['--;'SHAO'i-i;9 ;--7;4lc-J :HI9 t=t~~:~: :~=~:~w !'HAl 0 ,- SHAI2 49 cHill ['--';SHC'iA';'I3;--7,SO~ oHA 12 ['--';SHC'iA~I4;--f51H ! Hill l'---i;SH:7;A7.1S~-iC52rl !HA 14 l'---i'SH:7;A'i;l6'--"slrl ~Iii IS '----.:::SH"'A'-'17 __ =.;54-1 ;~::; 1'----7.:;;;--: --;;~~rl 5>(]0 I'----7.Stfl;,2,__~24'-l ~~ I'----7.SH0;;;--3 __ ;.;2Ic-J s,m ['---f.SH0,;;4e--~20Cl Stl4 ['----f.Stfl5~-.;.,:19c-J S{IS ['----f.SH0,;;6;;-~18c-J S ll6 ['----f.SH0~7 --.;,;17-J Sil 7 I'-----7.Stfl8~--.;-;16'-i S!ll8 1'-----7,SH09;;;-;;,--7C 15 '1 Slfl9 1'-----7-SHO~I o'--.;-;I'rl Sill I o I'-----7.Stfl~ll,--;.;llc-l Sill! I I'-----7.Stfl~l2;--.;.;12'-l Sllll2 I'----7.Stfl~l3c_.;-;llc-J Slllll I'---7.Stfl~l4'----"'l0Cl Sllll4 '----'SHO=l=-5 _9'-1 StillS :r-- -Sfr:SOM ----% C~OM v--- -Sfr:SOS ~ eSOS v--- -Sfr:Sl ~ e! I v---- -Sfr:S2 -Toe C::2 v-- Slfl!Ml ~ 1[:',\l i-- -SIWO ~ ![: v- -SillS ------{} ~· ir- - Sl:t»U --fa<: OCILL ir- -SI:t»LU -fi!: OO'LU ir- -SI:m:QO ~ !KOO lr--- -Stm:Ql---* IJlEQl ir- -StNAIT -f.<: WA!T ir- -SiflES ~ SirlES ir- -SHSIRLI ----4: Sl!lll ir- -SHSIRL2 ~ SI!IL2 ir- -SHSIRLJ -i#: Sl:U ir- -Stf11RLI ~ Hli<Ll lr--- -Stf11RL2---#: ~llll2 lr--- -Stf1IRL3 ~ Mllil3 IC4 B JIS-5818 VCCQ 8 ~~~ 4 VSSQ rTo vssa ~ VSSQ ~ VSSQ r£, INJ~ oop r, ~:~:~~~--------------------------7~ 4 rl3 ~: A02 ~13"'7 ___________________ 7527-1 102 A03 ~ 13 ;;< 8 -----------------7 5 ~ 1 A03 AD4 I-7'13Ci-9 _________________ -7s~o 104 AD5~14~0 __________________________ ~49~Iffi All6 ~14:.,;-1 _________________________ ~48'C-I 1.06 W 7 ~t4~2--------------------------~4~7 W? A08 ~14'"-3 _______________________ _::4;;-!6 108 m~ ~~:~~~==========================~~ 5 ~ 4 :o 146 4l ADll AOII 147 42 A012 AOI2 148 41 A013 ' ~:: 149 40 1014 A015 ISO 39 AOIS Rll 127 58 R\1 A~~~ l-70:~,_·---.---------------------7~0c-l~ ~~~s VACK 124 60 VACK VINT 123 63 V!NT HINT 122 62 HINT C23 lJl 56 C23 C25 I 6BP e29 0.[, ®[::!~ =* EDCLK --------t- -MYS ----'i:if. NTSC ~ ~s HSOC VSY~ EOCll< rs NTSC/PAL ~ NC __)j__ N C fEST! fEST2 fEST3 .__, ____ ___, E F OAO ~ OAI 27 OA2 28 OAl 29 OA4 JO OA5 31 ~:; 32 ORAASS 2201 21 ~ RC~SS oc " OOE 22 28 OE OUIIR 24 12 VIlE OLIIR b 2 :.: 3 '---------------------' 1 -'<1 4 LIIE 4 OOii 000 '"'1-s~==-=-~o"'oJr-_'" OOI 6 oo;· 002 1-7:.-----:::oo:c;:~' oo3 ~-, 8 ;;---::: 00 :c:,~l 004 ~-,9:.-----:::oo"'s·--J 005 10 ool:~ IC7 fC511664BJ I0 l 1--<-2 ----;;00:;;0'-,_ I 02 1--"--: ----i<~;<;~;---J : ~; 17 5 ----;;oo"'J;----,_ 1 105 ~6 -----;;00;;,4~ 106 1--i;- 7 -----;; 005 ~--J : ~~ ~;~ ===~~~~=:j I 09 1-T,;;,--------;;~"'~;----J IOI O I-T,l4----;,00;;-;l-,-O -J I 0 II t-;;'35'------;;00,;.;1~1 - J : ~: ~ l-"'l6,-------;;00;;.;l~2 -J 37 OCH3 1014 !---';;;JB,--------;,00;;.;1~4 ,j :~:~ t--=-'l9_---=00::..:lc:_5_.J vee rh-- vcc~ vee r-=----< GMJ 40 006 ~~~'----;;oo;c;7--J :: 12 008 :pq;: '----------' 0!1~0 1-7'::'------;~""i-u-' 15 OOii ::; l-7il6 _ ____.,oo"'t.1 0013 r.;; 17 ,-------;; 00 ;;-; 1 -)'.---J 0014 1-7,;18_---;;0!1;;-;l,.-4" 0015 1--'-'19 __ ---'00=1~ 2, EAO ~ IS AO EAt 82 lb AI EA2 81 17 A2 EAJ BO :~ A3 EA 4 ~79c-------------------~2i--J2 A4 EA5 78 23 AS ~:; 77 24 :; 4 NC __?£_ N C ~~:~ ~::----- ____________ "";~i.d ~:; ~ ~ m E: 85 12 VIlE EL\oll 86 14 Llo£ ~~: ::~ ~~: E02 103 E02 rca TC51!664BJ I0 I 1-2<----~ED;c:O'--, 102 1--"--3 -----:;ED;;;l~l 103 I- 4 ~-~ED;c; 2 ~1 I 04 1- 5 =-----;;ED"' 3 ~1 I 05 I-6:::--.,;;ED;;4~1 106 1-ai;-7 -~:~--J 107 t-;;-9 -~EDi:C7:------J :~ 32 EDBE09 I 010 ~-T. 33 -----:;;;;-,;-~ I 011 t-;;34,_----:;ED;;;l'7-0 ~ IO 12 l-'i':l5'------:;E;;;D lc,;-1 -.,I lOll ~l6;-----:;ED;;;l~2,1 I 014 !---';;;l7,------:;ED"'l73 -J l O 15 J.-;;38;-----:;ED"'l-i-4 -.,I I O 16 t--=-'39'---------"ED"'t"'-5 -.,I vee -h-- vcc 20- vee-=- E03 r.;l 0:72 --;EE"'OD437-- E04 101 EDS l- 99 i:i:1 o_o ---;;~;c~<---J EOb 98 E07 ~~ 1-~i;:~------:;~,;;~<--- --4 N C =][~~--~-----------~~~ E~~ ~~'------;~"'~;.;: :c, ED II ~93;--;E"'o'-'t2" EOI 2 1-9"'2'------:;ED"'l'i-3 ~~:; ~9Ic--_,E,o~t,,, EO is 1-9'-'0'-----"'ED,_,l.=_S, ors 142 BFP 141 lOR 117 100 123 [Oil 131 -rso] BFP !OR 100 TOll Q) ;~3~7~ V~F 1-7012~1---------------.--__.~ I~F 125 .1' j:RB j_Cll ccn' 129 R9 2 7K To I• 1 C32 I. 6K 12'1 m ~I b TOt. l2'1 ~2 7 Jr ,)., G H 2 3 4 5 6 7-4. Schematic Diagram-3 (Sub !3ection) 2 3 4 5 6 •51 CTIBrfr ~ : Cllll Al CTIB CTAI A4 CTAll CIAl2 AS CTI7 eJI6 ~ w:: C!All All CTill CU 5 A9 CTI5 ~ 1 r' 11 4 4 AlO CTAl4 C!Al 5 All CTA4 CTIJ A 12 Cfll5 CTAl6 AIJ C!Al Cll 2 Al4 Clll6 Cllll Al5 CTI2 CTAl ::~ CcT:Ill7 CN3 Sll j Sll 81 -11tflES /1 ctn •SV CTOirfr AlB Gl(l CTOO Al9 CTOI CT08 120 CTOO CT06 ~ ~;: CTOI 123 CTOI CT0 9 124 CT09 CT0 5 125 Clll5 CT0 2 A26 Clll2 CTO!O 127 CTDIO eT0 4 A26 eT04 CTOJ 129 Cllll CTOil AJO CTDil All •5V -!1Uiol1 829 -rtNR r------:;jf-- raJO -HJ -lll1' 831 -TlHt nr'-'A,_,J2c.L_-""GNO~-' r-------------------------------~-r-r-+-+~ CN4 iCC ~ II PCHO f ~t~A2~~=-~RE~S~ET=~ ~'ll PCHI r-~t----r~A'~~~ete~ call_ CTAB L AS vee 0 l'l eTIII 16 CTAB ;:IAl/2 ~ w:i eTI6 :190 ecT:~~ eTill All Cllll CTI 5 112 CTIS CTII4 All CTA14 CTA 4 Al4 CTA4 em 5 AIS CTAIS CTAJ Al6 C!Al eTil 6 All CTAI6 CTA 2 AlB CTA2 CIA!/ Al9 C!Al7 CTAI 120 CTAI CTOI croo CT08 eT06 CTO! CTD9 Clll5 Cf02 CTOIO e104 Cllll emil -AS AI A2 Al 14 AS 16 A7 All A9 AIO All A12 All A14 100 L Al5 Al6 RA2 101<•8 Clll14 I~ r- ~:~:~ ~I ~jJ I c\ri/t, ~ R4 CTOJ 7 RS CTOIO 8 R 6 [' CfD29 :~ ':1 iC R.l.! 101<•8 ~r;;;--- emo 2 R 2 CNS eTO? CTOO CT08 CT06 CTOI Clll9 eros CT02 CTOIO elll4 CTOJ eTOII -AS vee vee lOR GNO lOG GNO IDB To MAIN CNl To MAIN CN2 r----ffi*- ~ CTAI9 ~--fBio eTA20 r--crm---rstt eTA21 eTA22 9!2 ~;:~~ cmis __ rW- ~;~:~ eTDI4 84 eTOIJ 85 CT012 86 -CASEL 87 -HVR£S BB CT013 eTOI2 -CASEL -HVRES ~--r?to -CLI.R -M\Ml -M3 -M3 Bll -TIME -llHE 812 -MCASO Bll -MCASO -M~~T ~:~ tm MCART GNO 820 ----;;.,. vee lf !CIS ,\ 74HC74 E t-L IC16 C -MeASO J FFI 6 I4LSOO or-------! 9 r-p8~-~~s~----+J !Cl6 A 174l500 3 QR R60 16K to vee IC16 B ~ ,~,~ n 4 ~<•L.:l:J O IO 74HC74 5 PRE ~o a~ ~;: : :; vee 11 FF2 8 t R59 1Cl60 ~p ap-- CT05 6 R 5 Cl09 I R 6 CTO! 8 R7 ~R8 5 10 A RSB 2K ~ I 4LSI•O QR Ml/'vOK'v--+----~1.__ _ __.13 'II ~ l_r e'/2 12 0 ,, B C9l Jo·'' - 15 -- ,------------' 1 ~ 9 PSC 1'-~PC~H~Ir-vv~~--~-11~ Rl3 tRI4 I cJa 82K lK C54*ou. l300Pn,. FMI~ !Cll 115-Soa. LPF2 LFB2 LP02 I'-_S_R~Ir------~-1!~ Rll { C89 ROHIN2 75 :Jr. 0. 1.- t---------~~~ WI~ I'-_PC~H~Or-~v-~--~-1~~ RIS ~RI6 eSS::!: ego 8 2K rlr JK 330 01' l 0. 1' FMINI ,_~S=l~lt------~~!~ Rl21e91 75 o. ,, 9 ROHINI WIN I ~p rl f--E- LPIN2 , __ ._1 _ _:2"-18 !OJT2 Rl7 ~~~p r--1 f------2- LPINI ~ IOJII 8. 2K t-----r---~30~ ~IN2 RIB IOK Rl9 ~lf>INI R20 !OK 15 LPFI lFBl LPO! al02 ci·--- ·x 5102 f-0---- ClJOl r!I----- STOI ~--- AVCC vee ~--i~a; eEl r REF IN GN1l ~·i 10. ~-L---------~ REFO 120 R2l 4. 7K CE20*" 100. ,Jr -RESET •5v IVCC 0 i-o 16] CE19+~ 100.. 100, 165 1 vee L:;. f-o 162 L7 ± r{i ,J,. tOS CONI C84 CEil 0 [, 4IU. 11Cl406JAM TRS FX40l R52 220 R51 560 :i;:OIFFERE~E TABLE FOR OIAGRAM-l :!;: Cl:iCUIT NTSC PAL L4 l:>.H lO.H LS 8:>.H XI 3. S79545ttiz 4 4336l875ttiz R40 560 430 R4l I 2K 680 R42 IK ~T USED R43 NOT USED IK C70 47P 6BP C74 !8P ISP 10 C75 56P 47P II C78 lOOP 82P oc rL [ IC13 I S G ·eNs IC14 PST993 2 £ E R53 r--- IOK rfr +-----~5'-1 COlt' r.- RS4 IPK vee 7 O! HECl120-0IOOIO ~ RSO T6;SR-35\-too~ enl?'Jcol ~~ I DC IN 6 :;- ~ 13 ? r ~~ I 3 + 1 JJKrfr ,_--l TC T 0.1 TO,, () 2 CE!6 I CBJ C62',~ :::!::C 8l 157~ Gl«J ~ 220. rfr 0. ,, ___l_ __l_ - 161 R56 4 7K T ~~pl2:UR55 rfr IOK TR3 2Sei62J _,--. ~R57 J,_IK TR4 2SCI623 !59 1 CN6 Q T23 FBIO Q fl5 CN4 [:J:s~Rii](}ji!Jr==lc::I9Jif-------~•~;:---------------------------------------------------------~ 0 • I 9 I s. Rl(}jl 1'1 Q 124 FBI I ? Tl6 I [I :J:s]LE~FIT:=JI~a]l-~•~;----- -------------------------------------------------~ 0 • I a j s.LEFT 1 Q 125 JFB[t2:_ _____ Qt~Il:-7-{IJ=~O [l:lA~vO~Io~Ji~c]i--~•------------------------------------------------------- 1 -C- 1 - 2 --------------------------------------~-----------~ 0 ~ 146 I 6 I 10010 I Q T26 R26 C64 [ :JR[IN~l==JI=r7JI--~·~r-----------------------------~ 1 5~vv~---o~.~I'J~ Qm m ~·· [ :JGITIN~I==]I:J:l]l--~·~.---------- ---------~~~~~AA~----~---' 0 ~·~ 1 'J~ Q 128 R28 C66 II RINI GIN I llS-5768 rlr FBIJ Q 138 ~~ ~ 29 ~-------------------------------------------~' 0 ~------~·~~l[l7JI==JR~oo[r==l FBl4 0 T39 GWT 26 """"' 0 I 3 GOUT C94 l!OOP l[~B~INITt==IIJ[i}l--~·~~~;-----------------1 75 ~vv-r---i~--t----' 0 ~·~~>j~ 9 129 9 flO 1~31 RJO R29 rlr rlr 75 ~ 75 BINI • VV FBIS ~ [40 21 .io~------~~~:IJ::!~:J BO.JT 1-"'-----------------------~~ I I I BOOT. I FB16 ? 141 vrur t-= 20 ~-----------~~--------------+~Ht-~~~~ 0 ~------~•~;-~I='[II==~voo~r[:JI c A/V IN JACK To GENESIS or MEGA DRIVE rJ rfr R32 C67 !OR 33 O.I'Jj~~~ -----------------R-l-3--~~~T--~c68~ 11 :(Xi 33 0. I' J L..1_ R34 C69 II - .Ul TR 2 ll 1~37 R36 Rl5 O. I' j f-----1- 160 160 160 ~ 2SCI62J rfr rfr "149 F" I 10 VA r:Y y 150 II +--'NI,---.,>---ol+'--.---l 0 h~----+----'-'-1 VB ~9 n ~4~ J-~~~,i~ l Xl L ? !51 12 VC 1}--J :1:3 R41 :b C73 CIO ell 15 TB2P CEll :1:8 T lOP m Rl~ Gl~ BIN2 om '' rfr ' [ ==~v1EN==):~4}--~l~--------t--t~~~fL---~----------------------~ 4 YIN () 132 l [:Ic}SY~~~):s~--~~ll--------t--t-~~::------~----------~~~--~ 2 ~ 3 CSY~ I vee I 2 I ~ TJJ ' I ~ ,~l!\« .-_- __ r_so ______ _.9_rs_2+---'-IJ rs l ~TJ4 ~~ rlr --- lr-BF_P ____ v_cc ___ +-:c?;:::-:t----'-12 BFP t--+-----" 32 '-! NTSC/PAL vee NFI ¢; ~ ]_____ I R42 ~ "c ~ 1 , :1:6 TS5o-l!- TEST eEIO L__ __ _ Q f------ 4 7, NTSC .------- ~ n R4l :1:7 C.SY~ 24 rl~:l: 9 • CEI2 R44 FBI I '( f42 SY~O I-"'22'--------'VRdl/'5v-10-I"" ~~SE 220. 75 ~ 0 0 r 43 5 1001 _1_ 2 vee l5 1 .:· 1 145 ~) YIN t-2'---c-76---R,-7--R~:-:---+----!c~f} 1 A/V OUT c:~ ~:: _____ o;'t~i', "" .~ ~ J:'lv 4ti ~ i_j 147 :1:11 ~~;s• T48 C/9 o. 047" ll? POO 1-'-''-+~----[ f-----; r vee~ vee~ r vee CBO 0.11' ------------------------------------------------------- 0 E F G H ... J .. ,.. 10 '-:>. '-#lrcun ~oard Diagram-2 (Sub Board) 2 I :S 3 I :S 3 je I II I H:S .___,lot:~l--.J. 3 4 5 6 A B c 0 E F ~----l..----~G -~ ~--""-~---~H ___ _j - 17- 18- 8. PARTS SPECIFICATIONS IC1/2 CPU IC H06417095F23QFP Parts No. : 315-0922 •Top View 108 109 114 • Description No. 1/0 1 2 I/0 3 4 - 5 1/0 6 - 7 8 9 1/0 10 II 12 - 13 1/0 14 - 15 16 1/0 I7 18 - 19 1/0 20 - 21 22 l/0 23 24 - 25 1/0 26 27 28 1/0 29 30 31 1/0 32 33 34 35 36 1/0 37 38 39 40 - 73 HD6417095 36 Pin Name Dll D12 013 VCCI Dl4 VSSI DIS 016 017 018 019 VCC2 D20 VSS2 D21 D22 D23 VCC3 D24 VSS3 025 D26 D27 VCC4 D28 VSS4 029 D30 031 AO AI A2 vsss A3 A4 AS A6 A7 A8 vccs IC H06417095F28 QFP Parts No. : 315-0922A 72 37 Data bus Power supply (SV) Data bus Power supply (OV) Data bus Power supply (SV) Data bus Power supply (OV) Data bus Power supply (5V) Data bus Power supply (OV) Data bus Power supply (5V) Data bus Power supply (OV) Data bus Address bus Power supply (OV) Address bus Power supply (5V) - 19- Function - ·- - - - ~ - No. 41 -· 42 43 44 45 46 47 48 49 I-· 50 51 52 53 54 55 56 57 58 59 60 1-· 61 62 63 64 r- 65 1--· 66 67 68 69 70 1--· 71 I- 72 73 74 75 I-· 76 77 f- 78 t--· 79 80 8I 82 1--- 83 84 85 I--· 86 87 I-- 88 I--· 89 I--· 90 91 r--92 93 94 95 t--· 1---96 97 98 - 99 iOO -·lOI 102 --103 ~=- -- 1/0 Pin Name Function I/0 A9 Address bw; - VSS6 Power supply (SV) AIO All 1/0 A12 Address bu! A13 AI4 - VCC6 Power supply (SV) 1!0 AIS Address bus - VSS7 Power supp;y (OV) AI6 1!0 AI7 Address bus AI8 - VCC7 Power supply (SV) 1!0 Al9 Address bus - VSS8 Power supply (OV) A20 1/0 A21 Address bus A22 - VCC8 Power supply (SV) I/0 A23 Address bus - VSS9 Power supply (OV) A24 1/0 A25 Address bus A26 0 DACKO DMACO acknowledge - VCC9 Power supply (SV) 0 DACKI DMACI acknowledge - VSS10 Power supply (OV) I DREQO DMACO rec,uest I DREQ1 DMAC1 request 0 cso Chip select 0 0 CSI Chip select 1 0 CS2 Chip select 2 0 CS3 Chip select 3 1!0 BS Bus cycle start 1/0 RD/WR Read write - VSSll · Power supply (OV) 0 RAS CE RAS for DRAM/SDRAM/CE for PSRAM 0 CAS OE CAS for SDRAM/OE for PSRAM 0 CASHH . DOMUU WE3 Each memo!)' most significant byte select signal 0 CASHL DOMUL WE2 Each memo!)' 2nd byte select signal 0 CASLH DWMLU WEI Each memo!)' 3rd byte select signal - VCCIO Power supply (SV) 0 CASLL _OO_MLL WEO Each memo!)' least significant byte select signal - VSSI2 Power supply (OV) 0 RD Read pulse 0 CKE SDRAM clock enable control I WAIT Hardware wait request. 0 BEN Reserve - VSSI3 Power supply (OV) I BACK BRLS Bus right pennission in slave mode./Bus right ack_now!edge in master mode. 0 BREQ,BGR Bus right request in slave mode./Bus right acknowledge in master mode. 0 WDTOVF Watch dog timer qutput. 0 FTOB Free-running timer output B. - VCCI1 Power supply (SV) 0 FTOA Free-running timer output A. - VSSI4 Power supply (OV) I FTI Free-running timer input. I FTCI Free-running timer clock input. I RXD Serial data input. 0 TXD Serial data output. 1/0 SCK Se~~l clock!r!£Ut/OU!}?Ut. ... - - No. 1/0 Pin Name Function 104 - vee (PLL) 12 Power supply (5V) of built-in PLL 105 I MDO Operation mode pin 106 - VSS (PLL) 15 Power supply (OV) of built-in PLL 107 I MDI Operation mode pin 108 0 CAPl External capacitor connection pin for PLL 109 CAP2 110 I MD2 Operation mode pin Ill 0 CKPACKN Clock pause acknowledge output. 112 I CKPREON Clock pause request input. 113 - VCC13 Power supply (5V) 114 I N.C Not connectes. 115 - VSS16 Power supply (OV) 116 0 N.C Not connectes. 117 I MD3 Operation mode pin 118 I/0 CKIO System clock input/output. 119 I MD4 Operation mode pin 120 MD5 121 - VSS17 Power supply (OV) 122 I RES Reset 123 - VCC14 Power supply (5V) 124 0 IVECF Interrupt vector fetch cycle 125 I NMI Non-maskable interrupt request. 126 IRL3 127 I IRL2 External interrupt factor input. 128 IRLl 129 IRLO 130 1/0 DO Data bus 131 Dl 132 - VCC15 Power supply (5V) 133 1/0 D2 Data bus 134 - VSS18 Power supply (OV) 135 D3 136 1!0 D4 Data bus 137 D5 138 D6 139 - VCC16 Power supply (SV) 140 1!0 D7 Data bus 141 - VSS19 Power supply (OV) 142 DB 143 1/0 D9 Data bus 144 010 -21- • Block Diagram MULT CACHE DATA DIVU CPU EXCEPTION PROCESS INTERRUPT I--- CONTROLLER 1-- ...J <( z (!) Ci5 (/') ~ li: ::> ~ ::>~1----t-'CD:::'--t-+"~' -!----! 16-bit FREE- RUNNING TIMER a: Cl) ::> LJL__L-+~~~r----~~~~ffi m ~ ~ ~ ~ VECTOR ADDRESS c c ~ :5 .__ L::j '------- SERIAL ~ <C r- c:e---~----"' COMMUNI- ~ ffi ffi <,____; CATIONS z ;;!= ~+----i INTERFACE -~ooo----t-!!:!: 1- ~ a: a: w w 0.. 0.. ~WATCHDOG ~ TIMER .......-i-+-.J BUS STATE t-- ~ONTROLLERI"----.--,-.----,-- ~t--L-------' 1-----l-+-+--t--+-' EXTERNAL BUS INTERFACE 00 OSCILLATOR -22- IC3 2Mblt SDRAM IC UPD4502161G5-A12 TSOP Parts No.: 315-0910-12 •Top View • Description No. 1/0 Pin Name 35 I CLK 18 I cs 15 WE 16 I CAS 17 RAS 21 AO 22 AI 23 A2 24 A3 27 I A4 28 AS 29 A6 30 A7 20 AS 19 I A9 34 I CKE 36 DQMU I 14 DQML Function CLK is the master clock input pin. The other inputs signals are referenced at CLK rising edge. CS low start the command input cycle. When CS is high, all input are not referenced. But even if CS is high, internal operations i.e. bank active or burst are not changed. RAS CAS WE have the same names with conventional DRAM. But these pins have deferent definitions with conventional ones. All of these pins only define command cycle definition. For detail information see command table. Row address(AXO-AX6, AX8) is determined by A0-A8 input signal level at the rising edge CLK signal at the bank active command cycle (state of AX7 is not applicable). Column address (A YO-A Y7) is determined by AO-A 7 input signal level at a read or write command cycle. The column address will be used as the burst access start address. A8 define precharge mode, - Precharge command cycle: AS = Low: Both bank precharged. AS= High: One bank prechartged (depends on state of A9) - Read/write command cycle: AS = High: Precharge cycle is started automatically following the end of data transfer in burst mode. A9 is bank select signal (BS). In command cycle, A9=1ow select bank A and A9=High select bank B. CKE determine next CLK is valid or not. If CKE is high next CLK rising edge is valid. But if CKE is low, next CLK is invalid. If CLK rising edge is invalid, internal clock is not asserted and /.1. PD4504161 becomes halt operation. And when 1J. PD4502161 dose not in burst mode and CKE is negated, /.1. PD4502161 enter power down mode. During power down mode CKE must keep low level. DQMU control Upper byte and DQML controls Lower byte input/output buffers. In read mode, DQMU, DQML control output buffer impedance like conventional OE. IfDQMU DQML is High, output buffers become high impedance. IfDQMU, DQML is Low, output buffers become low impedance. And when device in write mode, DQMU, DQML control word mask. If DQMU, DQML is High input data is not written to memory cell. If DQMU, DQML is Low input data is written to memory cell. -23- No. 1/0 Pin Name Function 2 DQO 3 DQI 5 DQ2 6 DQ3 8 DQ4 9 DQ5 11 DQ6 12 DQ7 1/0 1/0 pins are the same as conventional DRAM. 39 DQ8 40 DQ9 42 DQIO 43 DQll 45 DQ12 46 DQ13 48 DQ14 49 DQ15 1 7 13 - Vee Power supply of internal circuits. 25 38 44 4 10 26 ·- - Yss Power supply of internal circuits. 41 47 50 31,32 - GND Ground pins -24- IC4 IC CUSTOM CHIP G/A MARS 1/F Parts No.: 315-5818 •Top View 132 133 • 89 176~~=====~ 44 • Discription No. 1/0 Pin Name No. 1/0 1 - VDD 45 - 2 0 CHO 46 - 3 0 CHI 47 I 4 0 OVA19 48 I 5 0 OVA20 49 I 6 I OVA21 50 I 7 I CART 51 I 8 I/0 KILL 52 I 9 I/0 SHDIS 53 I 10 1!0 SHD14 54 I 11 1/0 SHD13 55 0 12 1!0 SHD12 56 I 13 1!0 SHOll 57 I 14 1!0 SHDIO 58 I 15 I/0 SHD9 59 I 16 1!0 SHD8 60 I 17 1!0 SHD7 61 I 18 1!0 SHD6 62 I 19 I/0 SHDS 63 I 20 I/0 SHD4 64 I 21 1/0 SHD3 65 0 22 - VDD 66 0 23 - GND 67 I 24 1/0 SHD2 68 I 25 I/0 SHDI 69 I 26 1/0 SHOO 70 I 27 0 SIPLl 71 I 28 0 SIRL2 72 I 29 0 SIRL3 73 I 30 0 MIRLl 74 I 31 0 MIRL2 75 I 32 0 MIRL3 76 I 33 0 CKIO 77 I 34 0 SHRES 78 I 35 I SHAI 79 I 36 I SHA2 80 I 37 I SHA3 81 I 38 I SHA4 82 I 39 I SHAS 83 I 40 I SHA6 84 I 41 I SHA7 85 I/0 42 I SHA8 86 I/0 43 I SHA9 87 - 44 - VDD 88 - 8 45 IC CUSTOM CHIP SCA MARS 1/F Parts No.: 315-5818A Pin Name No. 1/0 Pin Name GND 89 - VDD GND 90 1!0 VD8 SHAIO 91 1!0 VD6 SHAll 92 I/0 VOl SHA12 93 I/0 VD9 SHA13 94 I/0 VDS SHA14 95 1!0 VD2 SHAIS 96 1!0 VDIO SHA16 97 1!0 VD4 SHA17 98 I/0 VD3 WAIT 99 I/0 VDll RD 100 I MRES DQMLL 101 I VAI9 DQMLU 102 I VA20 RDXWR 103 I VA21 BS 104 I VA22 CS2 105 I VA23 CS1 106 I CASO csos 107 I CEO CSOM 108 I AS DREQ1 109 0 DTACK DREQO 110 - VDD VA18 Ill - GND VA17 112 I VCLK VA16 113 I CAS2 VA15 114 I/0 VD15 VA14 115 I/0 VD14 VA13 116 I/0 VD13 VA12 117 I/0 VD12 VAll 118 I ASEL VA10 119 I VRES VA9 120 I LWR VAS 121 I UWR VA7 122 I HINT VA6 123 I VINT VAS 124 I VACK VA4 125 0 ACCS VA3 126 0 DIR VA2 127 0 RW VAl 128 0 OUWR VD7 129 - AVDD VDO 130 - AGND GND 131 0 C23 GND 132 - VDD -25- No. 1/0 Pin Name 133 - GND 134 - GND 135 1!0 ADO 136 I/0 ADI 137 l/0 AD2 138 I/0 AD3 139 l/0 AD4 140 I/0 ADS 141 1!0 AD6 142 I/0 AD7 143 l/0 AD8 144 1!0 AD9 145 1!0 ADIO 146 I/0 ADll 147 I/0 AD12 148 1!0 AD13 149 l/0 AD14 150 1/0 ADI5 151 0 SEL 152 I CHPLL 153 I BURN! 154 0 OCEO 155 0 OASEL 156 0 OCAS2 157 0 OCASO 158 0 OLWR 159 I/0 ROO 160 I/0 RDl 161 I/0 RD2 162 I/0 RD3 163 I/0 RD4 164 1!0 RD5 165 I/0 RD6 166 1!0 RD7 167 I/0 RD8 168 1/0 RD9 169 1/0 RDIO 170 1/0 ROll 171 1/0 RD12 172 1/0 RD13 173 I/0 RD14 174 1!0 RD15 175 - GND 176 - GND ICS ADDRESS SELECTOR - IC CUSTOM CHIP MARS ADSE Parts No. : 315-5805 •Top View 64 65 • 80 • Description No. 1/0 Pin Name No. I 0 RA4 2I 2 0 RA3 22 3 0 RA2 23 4 0 RAI 24 5 - GND 25 6 I VA23 26 7 I VA22 27 8 I OVA2I 28 9 I OVA20 29 10 I OVA19 30 II I VA18 3I 12 - GND 32 13 I VA17 33 I4 I VAI6 34 15 I VA15 35 16 I VA14 36 17 I VA13 37 18 I VA12 38 19 I VAll 39 20 I VAlO 40 1/0 I I I I I I I I I I I I - - I I 0 I I I 41 40 25 24 Pin Name No. 1/0 Pin Name No. 1/0 Pin Name VA9 4I I SHA2 6I 0 RA22 VAS 42 I SHA3 62 0 RA2I VA7 43 I SHA4 63 0 RA20 VA6 44 I SHAS 64 0 RA19 VAS 45 I SHA6 65 0 RA18 VA4 46 I SHA7 66 0 RA17 VA3 47 I SHA8 67 0 RA16 VA2 48 I SHA9 68 0 RA15 VAl 49 I SHAlO 69 0 RA14 SHA21 50 I SHAll 70 0 RA13 SHA20 51 I SHA12 71 - GND CKIO 52 I SHA13 72 - VDD GND 53 - GND 73 0 RA12 VDD 54 I SHAI4 74 0 RAil BREQ 55 I SHA15 75 0 RAlO !BACK 56 I SHA16 76 0 RA9 OBACK 57 I SHA17 77 .o RA8 SHA19 58 I SEL 78 0 RA7 SHA18 59 - GND 79 0 RA6 SHAl 60 0 RA23 80 0 RA5 -26-