UPD78F9418A NEC, UPD78F9418A Datasheet - Page 76

• Manufacturer Part Number: UPD78F9418A
• Description: (UPD7894xxA) 8-Bit Single Chip Microcontrollers
• Manufacturer: NEC

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76
OPDR: Bit 1 of comparator mode register 0, selection of N-ch open-drain output
PU1:
PM:
RD:
WR:
WR
WR
WR
RD
PORT
PU1
PM
Pull-up resistor option register 1
Port mode register
Port 2 read signal
Port 2 write signal
Output latch
Alternate
Alternate
function
function
PU123
OPDR
(P23)
PM23
Figure 4-6. Block Diagram of P23
CHAPTER 4 PORT FUNCTIONS
User’s Manual U13952EJ3V0UD
V
DD0
P-ch
N-ch
V
DD0
P-ch
P23/TO2
/CMPTOUT0