UPD78F0138 NEC, UPD78F0138 Datasheet - Page 100

• Manufacturer Part Number: UPD78F0138
• Description: (UPD78xxxx) 8-Bit Single-Chip Microcontrollers
• Manufacturer: NEC

100
PU1:
PM1:
RD:
WR××: Write signal
WR
WR
WR
RD
PORT
PU
PM
Pull-up resistor option register 1
Port mode register 1
Read signal
Output latch
Alternate
function
PM13
PU13
(P13)
PU1
PM1
Figure 4-9. Block Diagram of P13
CHAPTER 4 PORT FUNCTIONS
User’s Manual U16228EJ2V0UD
EV
DD
P-ch
P13/TxD6