
RL78/G13
CHAPTER 4 PORT FUNCTIONS
R01UH0146EJ0100 Rev.1.00
198
Sep 22, 2011
Figure 4-24. Block Diagram of P45
P45/SO01
WRPU
WRPORT
WRPM
PU45
PM45
EVDD
P-ch
PU4
PM4
P4
POM45
POM4
WRPOM
Output latch
(P45)
Selector
Alternate
function
Internal
bus
RD
P4:
Port register 4
PU4:
Pull-up resistor option register 4
PM4:
Port mode register 4
POM4: Port output mode register 4
RD:
Read signal
WR
××: Write signal