UPD75518 NEC, UPD75518 Datasheet - Page 45

• Manufacturer Part Number: UPD75518
• Description: 4 BIT SINGLE-CHIP MICROCOMPUTER
• Manufacturer: NEC

Fig. 4-5 Configuration of Ports 4, 5, 12, 13, and 14
Bit of port mode register group B (m = 4, 5):
Bit of port mode register group C (m = 4, 5, 6): Ports 12, 13, and 14
Input buffer
Output
latch
PMm
MPX
PMm = 0
PMm = 1
Pull-up resistor
(mask option)
Open-drain
output
buffer
Ports 4 and 5
V
DD
Pm0
Pm1
Pm2
Pm3
PD75518(A)
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