UPD75218 NEC, UPD75218 Datasheet - Page 6

• Manufacturer Part Number: UPD75218
• Description: 4-BIT SINGLE-CHIP MICROCOMPUTER
• Manufacturer: NEC

INT0/P10
INT1/P11
INT2/P12
INT4/P00
SCK/P01
TI0/P13
SO/P02
SI/P03
PPO
Interrupt control
Serial interface
Basic interval
timer
Timer/event
counter #0
Timer/pulse
generator
INTBT
INTT0
INTTPG
INTSIO
Watch timer
Program counter (15)
BUZ/P23
Program memory
32640
INTW
ROM
8 bits
Clock divider
f
X
/2
N
XT1 XT2 X1 X2
System clock
generator
Sub
Decode and control
Main
ALU
Standby control
CY
General register
Data memory
1024
RAM
V
DD
4 bits
CPU clock
Bank
SBS(4)
SP(8)
V
SS
RESET
FIP
controller/
driver
Port 0
Port 1
Port 2
Port 3
Port 4
Port 5
Port 6
INTKS
Port H
10
10
4
4
4
4
4
4
4
4
2
4
P00–P03
P10–P13
P20–P23
P30–P33
P40–P43
P50–P53
P60–P63
T0–T9
T10/S15/PH3–
T13/S12/PH0
T14/S11,
T15/S10
S0–S9
V
V
PH0–PH3
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