
RL78/G13
CHAPTER 4 PORT FUNCTIONS
R01UH0146EJ0100 Rev.1.00
242
Sep 22, 2011
For example, figures 4-57 to 4-63 show block diagrams of port 14 for 128-pin products when PIOR = 00H.
Figure 4-57. Block Diagram of P140 and P141
P140/PCLBUZ0/INTP6,
P141/PCLBUZ1/INTP7
WRPU
RD
WRPORT
WRPM
PU140, PU141
PM140, PM141
EVDD
P-ch
PU14
PM14
P14
Output latch
(P140, P141)
Selector
Alternate
function
Alternate
function
Internal
bus
P14:
Port register 14
PU14:
Pull-up resistor option register 14
PM14:
Port mode register 14
RD:
Read signal
WR
××: Write signal
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