Block Diagram Of P00 And P04; Block Diagram Of P01 To P03 - NEC mPD780208 Subseries 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
84
CHAPTER 4 PORT FUNCTIONS
Figure 4-2. Block Diagram of P00 and P04
RD
Figure 4-3. Block Diagram of P01 to P03
PUO0
Output latch
(P01 to P03)
PM01 to PM03
User's Manual U11302EJ4V0UM
Selector
P00/INTP0/TI0,
P04/XT1
V
DD
P-ch
P01/INTP1,
P02/INTP2,
P03/INTP3