
CHAPTER 4 PORT FUNCTIONS
User’s Manual U17854EJ9V0UD
100
Figure 4-6. Block Diagram of P05 and P06
P05/TI05/TO05,
P06/TI06/TO06
WRPU
RD
WRPORT
WRPM
EVDD
P-ch
PU0
PM0
P0
PM05, PM06
PU05, PU06
Alternate
function
Output latch
(P05, P06)
Selector
Internal
bus
Alternate
function
P0:
Port register 0
PU0:
Pull-up resistor option register 0
PM0:
Port mode register 0
RD:
Read signal
WR
××: Write signal