
RL78/G13
CHAPTER 4 PORT FUNCTIONS
R01UH0146EJ0100 Rev.1.00
199
Sep 22, 2011
Figure 4-25. Block Diagram of P46
P46/TI05/TO05/INTP1
WRPU
RD
WRPORT
WRPM
PU46
PM46
EVDD
P-ch
PM4
PU4
P4
Output latch
(P46)
Selector
Alternate
function
Alternate
function
Internal
bus
P4:
Port register 4
PU4:
Pull-up resistor option register 4
PM4:
Port mode register 4
RD:
Read signal
WR
××: Write signal
<R>