
RL78/G13
CHAPTER 4 PORT FUNCTIONS
R01UH0146EJ0100 Rev.1.00
243
Sep 22, 2011
Figure 4-58. Block Diagram of P142
P142/SCK30/SCL30
WRPU
RD
WRPORT
PU142
EVDD
P-ch
PU14
P14
WRPM
PM14
POM142
POM14
WRPOM
PM142
CMOS
TTL
PIM14
PIM142
WRPIM
Output latch
(P142)
Selector
Alternate
function
Alternate
function
Internal
bus
P14:
Port register 14
PU14:
Pull-up resistor option register 14
PM14:
Port mode register 14
PIM14: Port input mode register 14
POM14: Port output mode register 14
RD:
Read signal
WR
××: Write signal