P00 Block Diagram; P01 To P03 Block Diagram - NEC PD78081(A) User Manual

WR
PUO
RD
WR
PORT
WR
PM
PUO : Pull-up resistor option register
PM : Port mode register
RD : Port 0 read signal
WR : Port 0 write signal
56
CHAPTER 4 PORT FUNCTIONS
Figure 4-2. P00 Block Diagram
RD
Figure 4-3. P01 to P03 Block Diagram
PUO0
Output Latch
(P01 to P03)
PM01-PM03
Selector
P00
V
DD
P-ch
P01/INTP1
P03/INTP3