UPD75208 NEC, UPD75208 Datasheet - Page 10

• Manufacturer Part Number: UPD75208
• Description: 4-BIT SINGLE-CHIP MICROCOMPUTER
• Manufacturer: NEC

10
3.4
UNUSED PINS TREATMENT
P00/INT4
P01/SCK
P02/SO
P03/SI
P10/INT0 to P12/INT2
P13/TI0
P20 to P22
P23/BUZ
P30 to P33
P40 to P43
P50 to P53
P60 to P63
PPO
S0 to S9
T15/S10 to T14/S11
T0 to T9
T10/PH3 to T13/PH0
XT1
XT2
RESET when there is an on-
chip power-on reset circuit
V
chip load resistor
LOAD
when there is no on-
Pin
Connect to V
Connect to V
Connect to V
Input state : Connect to V
Output state : Leave open
Leave open
Connect to V
Leave open
Connect to V
Connect to V
SS
SS
SS
SS
DD
SS
or V
or V
or V
Recommended Connection
DD
DD
DD
SS
or V
DD
PD75208