Sony UP-890CE Service Manual page 33

CXP80P116Q-2-EXP030
C-MOS 8-BIT MICROCOMPUTER
—TOP VIEW
INPUT
PCO / PRONG /00 PRO /PPOB/A0 ANO — ANT : ANALOG Ts ne
BRO BUS REQUEST INI
slicsjecascs. i Sete CFG : CAPSTAN FG INPUT
eirceer) een rro saz cso. : CHIP SELECT INPUTS
PCS /RTO3 703. PBS /PPO11/ AS OFG > ORUM FG INPUT
PCa /ATOS/ D8 PBS /PPO1Z/ as DPG : ORUM PG INPUT:
EC > EVENT INPU'
pee rontee. <ineefrroie 8 EXW.1 : EXTERNAL INPUTS
VAT ponghalbicted Se EXTAL : SYSTEM CLOCK GENERATE JOINT
EPPO: rc a T/PPIS/AT HALT : CPU STOP INPUT
1 Paemponaine Tag [| BESANT | PAQ /PROO/AB INTO — INT2 : EXTERNAL OFFERING INPUTS
PRSPPOIWAS [45 | t | PR2ANG | eet eoaae MP ! MICRO PROSESSOR MODE INPUT
| Peappoizias | as [| PFIVANS NMI : NONMASKABLE OFFERING INPUT
PBSPPOTIUAS | 47 | 1 | PRIVANS | SARATTORIANO PBCTL : PB CTL PULSE INPUT
Peamporona [ag [ans cebaiae oro SORT E INCUTS:
passrroasarz 2 = PFO = PFT : PORT F INPUTS
PevProwar |"4o [1 AN] pas pba aad PGO — PGT : PORT G INPUTS
[-pacmPoaac [so [7 1 [ant | $10.1 : SERIAL DATA INPUTS
{ u0,0.v0 | pc7mro7m7 [51[ ' | ANo | masseroe/ Ae SYNCO.1 ; COMPOSITE SYNC INPUTS
PAT/PPOT/ AIS:
[ v0.0.vo | pcemTosis [52 [0 - |
AGND
OUTPUT
| VO.0.UO | PCSRTOSOS | 53} - | Avner Ssiteas AQ - A15 : ADDRESS BUS OUTPUTS
| o.oo | PewRTowDs | 54] = | AVoo | peat aut BAK BUS ACKNOWLEGE OUTPUT
| vo.ovo | pcsAToaos {ss {i | PGE | c :
[wo.0.v0_| Pezerorame | 56 [1 | PGeEXIO _| foo DAA0.t : OA GATE PULSE OUTPUTS
PES/ Daal OABO,1 : OA GATE PULSE OUTPUTS
Pouproi7Aat f 57 [i | PGSSYNC7_ | G7 ean0 PAO - PAT : PORT A OUTPUTS
PCOPPO1ED0 PBO — PBT : PORT B OUTPUTS
pass seNe 8 PE7 / Bae! PE2 ~ PET : PORT € OUTPUTS
PGS / SYNC) PHO — PH3 : PORT H OUTPUTS
pHof — PPOO- PPO18 ; PROGRAMMABLE PATTERN
PH GENERATOR OUTPUTS
wuz 22 PWMO.1 ; PWM OUTPUTS
me R/W ; CPU MACHINE SYCLE
PHS
AO
: READ
RTO3-—RTOT : REAL TIME PULSE OUTPUTS
$00.1 : SERIAL DATA OUTPUTS
SYNC 1 SYNC
WR : WRITE
Soo XTAL : SYSTEM CLOCK GENERATER OUTPUT
SCKO 6 *
sega bon oT DATA BUS
wras Sex PCO — PCT : PORT C
PDO ~ PO7 : PORT D
xTaL RST : RESET
scko.1 : SERIAL CLOCK
er? TAT TSi
PEE/ SIN
PE: / ECs iNT?
PEO / INTO
GNM
rep ear m0
900 — rer -ren
ove - 96 seem e70,
D0 — Po?
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our
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meas a,
veernne
oy tart
wrote se
vtr/pene
as owe
wes eseo
ona gees
ered
pers caar