
RL78/G13
CHAPTER 4 PORT FUNCTIONS
R01UH0146EJ0100 Rev.1.00
207
Sep 22, 2011
Figure 4-31. Block Diagram of P55
P55
WRPU
RD
WRPORT
PU55
EVDD
P-ch
PU5
P5
WRPM
PM5
POM55
POM5
WRPOM
PM55
CMOS
TTL
PIM5
PIM55
WRPIM
Output latch
(P55)
Selector
Internal
bus
P5:
Port register 5
PU5:
Pull-up resistor option register 5
PM5:
Port mode register 5
PIM5:
Port input mode register 5
POM5: Port output mode register 5
RD:
Read signal
WR
××: Write signal