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
WR
PU
WR
PORT
WR
PM
PU50
PM50
EV
DD
P-ch
PU5
PM5
P5
POM50
POM5
WR
POM
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
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