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SM-A75H/E
UPD7537
P02/S0
INTO
POI/SCK
PO3/S1
POO/INTO
INTERRURT
CONTROL
ZERQ-
CROSS
DETECTOR
PROGRAM
COUNTER
(12)
GENERAL
REGISTERS
PROGRAM
MEMORY
INSTRUCTION
DECORDER
DATA
MEMORY
128x4
BITS
STAND-BY
CONTROL
SYSTEM
CLOCK
GENERATOR
a
RESET
O
|
OVss
CLI
2
O POO/INTO
CL2 O
3
O PO!/SCK
VereO
4
O P02/S0
VioadO
5
OP03/S1
P53 O
6
O P30
P52 O
7
O P3|
PSI
8
O P32
P50
BO P33
P23 O
O P40
P22
O
Opal
P103
©
Op43
P1020
BO P80
PIO!
POPs |
P100 O
P O P82
P1130
PO p33
P1120
BOPIO
P1110
BOP? |
P1100
BOP 92
Vdd
Op93
—~44—
Vere
Vioad
:
PORTO
BUFFER
POO-PO3
PORT2
P21-P23
LATCH
PTOUT/P2|
BUFFER
PORT3
LATCH
BUFFER
P30-P33
PORT4
LATCH
BUFFER
PORTS
'
en
=
aa
4)
Lacy { 4) ps0-p5a
4)
3)
-3)
ae
P40-P43
BUFFER
PORT8
LATCH
BUFFER
P80-P83
PORT?
LATCH
BUFFER
P90-P93
PORTIO
LATCH
BUFFER
P1Q0-P103
PORTII
LATCH
BUFFER
PIIQ-PI13
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