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Home Documents Macintosh YACC Schematics Jan85
YACC Schematics Jan85

YACC Schematics Jan85

Macintosh · PDF
FilenameYACC_Schematics_Jan85.pdf
Size2.48 MB
Subsection prototypes / 1985_YACC
Downloads3
Contents
+ +20 + +40 + ve + 188 + +100 ¢ +126 + 149 + +160 +160 + 1200 ¢ v220 ° o ¢ r $ 3 CLK_12H_D4 CLK_18M DBUS BUS bs —————__ ti nm D152 G0) ees 3 — Power CikK-ienne q faster VaBUS @ Priam Disk DC15: ARR emts~ f Hioh-sPeed Connections SERRE NS PhaseLock Vac2at 043 exmmeeet erp acs~ 8 t eto cuxitann7 Ml oscitiators @ cuK_t2m dated PCC cies) LPU-READ @ Parallel CLK=12N_6 - jCRUREAD & = Port p PRPPLINTR {oe | HSPP_PARERR POWER_ETC 7? CPU_RESET~ PRPP_BTRE@ HSPP_RESET & HSPP_BUSY > CLK_GEN cl PRPP_PARERR HSPP_COMMAND & HSPP_CONCHK « Perzan0 i HSPP_10 je] peas:ea> ROUS pABUS vac23z01) a | S is cPu_u~_s DBUS : SCC_IRG~ s ° CPU_READ 0¢15: 00) FatuS ;_ bi cPu_uns~ Vacesretiscics~ q Serial HGT_ERR~ = Video VID-sRLOAD~ ae Ports cyai ipo. if Processor CPU=LDS~ Timing Dn curue mp¢siree> SEUSS -SCC_RD~ d viat_tre~ f CPU_ENABLE VID_EVEN~ éPu_Los~ & on VIA2—IRG~ and CPU_RESET~ and VID_HRCLK¢3: 03 wameRCLK LS p «APPleBus > ee Memory Timing poe Genlook VID_HBLANK~ viD_-CBLANK~ i Interface | VIAZ_IRQ & CLK_9M Cuan Uni ANI Vin spioaD~ #8 SccIROS and Tras Interface VID_VBLANK~ Video Se 10 Address SP VID_CBLANK~ Shifters? scc_uart~ 7 paig Decode RHM_RASG~ ane Output Map, : p_SCC-HAIT~ a S | RHM_CASe~ TT VEvHES and DvAs SERIAL_10 s 3 RHM_RASI~ VID-CSYHC™ < @ RuM_Casi~ a CLK_12n § RWH_BUSY~ TY-CONNECT~ Bus H pIRHH=DUSY=I pT —CONNECT™ BUS ! DC15208) semen ne ~ 288 @ RUN_cPUADR~ TWAENABLE © CLK_12M_p4 ¢15500) CAbUS vaceazo1; menue Floppy Disk RUM_RD~ eer vacea: 043 Samet Hin_cs~ IMBuS CLK_-12M_D6 jaP_AC~ i —rnatS~ § Interface + RHH_HR~ IM¢3: 8) oe CLE” WREPDoES DPHN_HE~ < RHM_DTACK~ arerien pn VHAP CSS CPU_UDS~ RWM_AcC~ ate SS CPU_LDS~ 4 TINING HAP HEX CPULRESET~ lo NGT—ACC~ CPU-READ § Se o 8 ROM_ACC~ VIDEO DISK_HD_SEL | cLKatt e E ~ 1 vnap_oe~ ROH CE pon _cE<3:0) venus Peanst FiLOPPY_10 Q vn _ue~ ¥AC23:01) —— panne PAC 19210) anne D¢15: 60) Soo Memory BUS VIAI_IRC~ * Nanagement D¢1518@> a « e Unit MDBUS vace3: a1) mes p VIABAIRG~ MD¢31100) ee Sound +10 rants~ VIA3_IRG~ MGT_ACC~ 4 MGT_ERR~ SND_VOLC2:@> SND_VOL Generator CPU_READ q Miscellaneous @usPP_cs~ RHH_ACC~ ~ SND_CNT~ SND_LOD~ CPULENABLE 170 Interface ° € PRPP_CS~ RUM_DTACK~ @ SND_RESET CPU_RESET~ g and 2 cux_on vip_uRcLK¢a:ey LIDAHRCLK | Rendoeletae POHER_UP CPU_READ > kKBD_ScLK its KBD_ACLK SND_RESET SND_OE~ cPU_Uv_s @ SOUND ~ J vnap_ac~ IN VID VID_WE~ pouer_ur vip_ever~ VHAP_OE~ Al “vin_Tse & cuxton f VIDVBLANK~ & SND_VOL. , VID-HBLANK~ @ SE FND-VOL<2:0> vo tv.connect~ I Dy ewan pn > VED CNT Bus MDBUS > TV_ENABLE~ © D¢153@0> Sateen HDC312 88> r ——— c) By SED SHRCLK. y1D_HRCLK¢320> Pagus =PRPP-INTR IMBUS be PACI9:10>/VAC9101) meee © Processor PRPP_BTREQ 1m¢37@> KBD_ACLK KBD_SCLK DBUS DABUS DAC16:01) === Read-Hrite PRPP_PARERR DISK_HD_SEL ee D158 0g? paeoremee DAC16201> Aree) ( eaeceee . ——— eo pouer_up CLK_18H_D6 Finer Video easere uspp_susy Ml HSPP_RESET CLK_18M { “VID.OE~ and "RHM_RASI~ HSPP_PARERR q HSPP_COMMAND + | SNDLOED sen “RUM_CASI~ HSPP_CONCHK moneetn « “DMAOE~ Ha arene -RUN_RD~ & Scchart~ B HOUSE_Y1 SEULDS~ …

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