RL78/G13 CHAPTER 4 PORT FUNCTIONS
R01UH0146EJ0100 Rev.1.00 245
Sep 22, 2011
Figure 4-60. Block Diagram of P144
P144/SO30/TxD3
WR
PU
RD
WR
PORT
WR
PM
PU144
PM144
EV
DD
P-ch
PU14
PM14
P14
POM144
POM14
WR
POM
Selector
Alternate
function
Internal bus
Output latch
(P144)
P14: Port register 14
PU14: Pull-up resistor option register 14
PM14: Port mode register 14
POM14: Port output mode register 14
RD: Read signal
WR××: Write signal