RL78/F13, F14 CHAPTER 4 PORT FUNCTIONS
R01UH0368EJ0210 Rev.2.10 222
Dec 10, 2015
Figures 4-13 to 4-16 show block diagrams of port 3 for 100-pin products.
Figure 4-13. Block Diagram of P30
P30/TI01/TO01/
TRDIOD1/SSI00/
INTP2/SNZOUT0
WR
PU
RD
WR
PORT
PU30
P30
EVDD
P-ch
PU3
P3
WRPM
PM3
PM30
CMOS
(Schmitt3)
TTL
PIM3
PIM30
WRPIM
PITHL3
PITHL30
WRPITHL
CMOS
(Schmitt1)
WRPMS
PMS
PMS0
TO01/TRDIOD1/
SNZOUT0
Alternate function
Alternate function
Internal bus
Selector
Output latch
P3: Port register 3
PU3: Pull-up resistor option register 3
PM3: Port mode register 3
PIM3: Port input mode register 3
PMS: Port mode select register
PITHL3: Port input threshold control register 3
RD: Read signal
WRxx: Write signal