RL78/G13 CHAPTER 4 PORT FUNCTIONS
R01UH0146EJ0100 Rev.1.00 207
Sep 22, 2011
Figure 4-31. Block Diagram of P55
P55
WR
PU
RD
WR
PORT
PU55
EV
DD
P-ch
PU5
P5
WR
PM
PM5
POM55
POM5
WR
POM
PM55
CMOS
TTL
PIM5
PIM55
WR
PIM
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