
RL78/G13
CHAPTER 4 PORT FUNCTIONS
R01UH0146EJ0100 Rev.1.00
170
Sep 22, 2011
Figure 4-2. Block Diagram of P01
Output latch
(P01)
Internal
bus
Alternate
function
P01/TO00
WRPU
RD
WRPORT
PU01
EVDD
P-ch
PU0
P0
WRPM
PM0
PM01
CMOS
TTL
PIM0
PIM01
WRPIM
Selector
P0:
Port register 0
PU0:
Pull-up resistor option register 0
PM0:
Port mode register 0
PIM0:
Port input mode register 0
RD:
Read signal
WR
××: Write signal