NEC mPD780344 Series User Manual page 95

Figure 4-7. Block Diagram of P22, P25
WR
PUB2
PU22, PU25
Alternate
function
RD
WR
PORT
Output latch
(P22, P25)
WR
PM
PM22, PM25
Alternate
function
PU: Pull-up resistor option register
PM: Port mode register
RD: Port 2 read signal
WR: Port 2 write signal
CHAPTER 4 PORT FUNCTIONS
User's Manual U15798EJ2V0UD
V
DD
P-ch
P22/SCK3,
P25/SCK1
95