NEC 78K0/KD1 Series User Manual page 86

WR
PU
RD
WR
PORT
WR
PM
PU1: Pull-up resistor option register 1
PM: Port mode register
RD: Port 1 read signal
WR: Port 1 write signal
86
CHAPTER 4 PORT FUNCTIONS
Figure 4-7. Block Diagram of P12
PU12
Output latch
(P12)
PM12
Alternate
function
Preliminary User's Manual U16315EJ1V0UD
EV
DD
P-ch
P12/SO10