56
CHAPTER 4 PORT FUNCTIONS
Figure 4-2. P00 Block Diagram
Figure 4-3. P01 to P03 Block Diagram
PUO : Pull-up resistor option register
PM
: Port mode register
RD
: Port 0 read signal
WR : Port 0 write signal
P00
RD
Internal bus
P-ch
WR
PM
WR
PORT
RD
WR
PUO
V
DD
P01/INTP1
P03/INTP3
Selector
PUO0
Output Latch
(P01 to P03)
PM01-PM03
Internal bus
Summary of Contents for NEC PD78081(A)
Page 23: ...xii MEMO...
Page 37: ...14 CHAPTER 1 OUTLINE MEMO...
Page 47: ...24 CHAPTER 2 PIN FUNCTION MEMO...
Page 91: ...68 CHAPTER 4 PORT FUNCTIONS MEMO...
Page 125: ...102 CHAPTER 6 8 BIT TIMER EVENT COUNTERS 5 AND 6 MEMO...
Page 157: ...134 CHAPTER 10 A D CONVERTER MEMO...
Page 193: ...170 CHAPTER 11 SERIAL INTERFACE CHANNEL 2 MEMO...
Page 253: ...230 CHAPTER 16 INSTRUCTION SET MEMO...