UPD75238GJ NEC [NEC], UPD75238GJ Datasheet - Page 4

• Manufacturer Part Number: UPD75238GJ
• Description: 4 BIT SINGLE-CHIP MICROCOMPUTER
• Manufacturer: NEC [NEC]

AN4/P90-AN7/P93
SO0/SB0/P02
SI0/SB1/P03
PTO0/P20
SCK0/P01
SCK1/P81
INT0/P10
INT1/P11
INT2/P12
INT4/P00
PPO/P80
AN0-AN3
BUZ/P23
SO1/P82
TI0/P13
SI1/P83
AV
AV
AV
REF
DD
SS
TI0
TI0
8
INTW
Serial
interface 1
Bit sequential
buffer (16)
Timer/event
counter
Timer/pulse
generator
Serial
interface 0
A/D
converter
Interrupt
control
Event
counter
Basic
interval
timer
Watch
timer
INTBT
INTT0
INTTPG
INTCSI0
#0
Note Port 4 and port 5 are N-ch open-drain I/O ports with a
PCL/P22
Clock
output
control
Program
counter (15)
32640
ROM
program
memory
medium withstand voltage of 10 V.
8
Clock
divider
f
X
/2
N
XT1XT2 X1 X2
Sub
Clock
generator
Decode
and control
Main
ALU
Stand by
control
General register
CY
RAM data
memory
1024
RESET
CPU clock
SBS (2)
Bank
4
SP (8)
V
DD
V
SS
V
DD
Port 10-15
FIP
controller/
driver
Port 0
Port 1
Port 2
Port 3
Port 4
Port 5
Port 6
Port 7
Port 8
Port 9
24
4
4
4
4
4
4
4
4
4
4
10
10
4
8
2
P00-P03
P10-P13
P20-P23
P30-P33
P40-P43
P50-P53
P60-P63
P70-P73
P80-P83
P90-P93
P100-P153
S0/P120-S9/P141
S16/P100-S23/P113
T0-T9
T10/S15/PH3/P153-
T13/S12/PH0/P150
T14/S11/P143 and
T15/S10/P142
V
LOAD
Note
Note