
RL78/G13
CHAPTER 4 PORT FUNCTIONS
R01UH0146EJ0100 Rev.1.00
214
Sep 22, 2011
Figure 4-35. Block Diagram of P71
P71/KR1/SI21/SDA21
WRPU
RD
WRPORT
PU71
EVDD
P-ch
PU7
P7
WRPM
PM7
POM71
POM7
WRPOM
PM71
Output latch
(P71)
Selector
Alternate
function
Alternate
function
Internal
bus
P7:
Port register 7
PU7:
Pull-up resistor option register 7
PM7:
Port mode register 7
POM7: Port output mode register 7
RD:
Read signal
WR
××: Write signal