
RL78/G13
CHAPTER 4 PORT FUNCTIONS
R01UH0146EJ0100 Rev.1.00
217
Sep 22, 2011
Figure 4-38. Block Diagram of P74
Output latch
(P74)
Alternate
function
Internal
bus
P74/KR4/INTP8
WRPU
RD
WRPORT
PU74
EVDD
P-ch
PU7
P7
WRPM
PM7
POM74
POM7
WRPOM
PM74
Selector
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