
RL78/G13
CHAPTER 4 PORT FUNCTIONS
R01UH0146EJ0100 Rev.1.00
203
Sep 22, 2011
For example, figures 4-27 to 4-31 show block diagrams of port 5 for 128-pin products when PIOR = 00H.
Figure 4-27. Block Diagram of P50
P50
WRPU
WRPORT
WRPM
PU50
PM50
EVDD
P-ch
PU5
PM5
P5
POM50
POM5
WRPOM
Output latch
(P50)
Selector
Internal
bus
RD
P5:
Port register 5
PU5:
Pull-up resistor option register 5
PM5:
Port mode register 5
POM5: Port output mode register 5
RD:
Read signal
WR
××: Write signal
<R>