NEC mPD784225 Series User Manual page 112

WR
PU
PU00 to PU05
RD
WR
PORT
Output latch
(P00 to P05)
WR
PM
PM00 to PM05
PU: Pull-up resistor option register
PM: Port mode register
RD: Port 0 read signal
WR: Port 0 write signal
112
CHAPTER 5 PORT FUNCTIONS
Figure 5-2. Block Diagram of P00 to P05
Alternate
function
Selector
User's Manual U12697EJ3V0UM
V
DD
P-ch
P00/INTP0,
P01/INTP1,
P02/INTP2/NMI to
P05/INTP5