RL78/F13, F14 CHAPTER 4 PORT FUNCTIONS
R01UH0368EJ0210 Rev.2.10 205
Dec 10, 2015
For example, figures 4-1 and 4-4 show block diagrams of port 0 for 100-pin products.
Figure 4-1. Block Diagram of P00
WRPU
RD
WR
PORT
WRPM
PU00
Alternate function
Alternate function
INTP9/(TI05)
(TO05)
P00
PM00
EVDD
P-ch
PU0
PM0
P0
WRPMS
PMS
PMS0
P00/INTP9/
(TI05)/(TO05)
Internal bus
Selector
Output latch
P0: Port register 0
PU0: Pull-up resistor option register 0
PM0: Port mode register 0
PMS: Port mode select register
RD: Read signal
WRxx: Write signal