NEC mPD789426 Series User Manual page 87

WR
PUB2
PUB24
RD
WR
PORT
Output latch
(P24)
WR
PM
PM24
Alternate
function
PUB2: Pull-up resistor option register B2
PM: Port mode register
RD: Port 2 read signal
WR: Port 2 write signal
CHAPTER 4 PORT FUNCTIONS
Figure 4-9. Block Diagram of P24
SS20
output
User's Manual U15075EJ1V0UM00
V
DD
P-ch
P24/SO20/TxD20
87