NEC uPD78P078 - Manual (Page 137)

137
CHAPTER 6 PORT FUNCTIONS
Figure 6-2. Block Diagram of P00 and P07
Figure 6-3. Block Diagram of P01 to P06
PUO : Pull-up resistor option register
PM : Port mode register
RD : Port 0 read signal
WR : Port 0 write signal
P00/INTP0/TI00,
P07/XT1
RD
Internal bus
P-ch
WR PM
WR PORT
RD
WR PUO
V
DD
P01/INTP1/TI01,
P02/INTP2 to
P06/INTP6
Selector
PUO0
Output Latch
(P01 to P06)
PM01 to PM06
Internal bus