YACC Schematics Jan85
YACC Schematics Jan85
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| Filename | YACC_Schematics_Jan85.pdf |
|---|---|
| Size | 2.48 MB |
| Subsection | prototypes / 1985_YACC |
| Downloads | 3 |
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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