RL78/F13, F14 CHAPTER 4 PORT FUNCTIONS
R01UH0368EJ0210 Rev.2.10 212
Dec 10, 2015
Figures 4-5 to 4-12 show block diagrams of port 1 for 100-pin products.
Figure 4-5. Block Diagram of P10
P10/TI13/TO13
TRJO0/SCK10/
SCL10/LTXD1/
CTXD0
WR
PU
RD
WR
PORT
PU10
P10
EV
DD
P-ch
PU1
P1
WR
PM
PM1
POM10
POM1
WR
POM
PM10
CMOS
(Schmitt3)
TTL
PIM1
PIM10
WR
PIM
PITHL1
PITHL10
WR
PITHL
CMOS
(Schmitt1)
WR
PMS
PMS
PMS0
SCK10/SCL10
/LTXD1/CTXD0
TO13/TRJO0
Internal bus
Selector
Output latch
Alternate function
Alternate function
Alternate function
P1: Port register 1
PU1: Pull-up resistor option register 1
PM1: Port mode register 1
PIM1: Port input mode register 1
POM1: Port output mode register 1
PMS: Port mode select register
PITHL1: Port input threshold control register 1
RD: Read signal
WRxx: Write signal