R8C-26_1 Datasheet, PDF (74/485 Pages) Renesas Technology Corp – 16-BIT SINGLE-CHIP MCU R8C FAMILY / R8C/2x SERIES

R8C/26 Group, R8C/27 Group
7. Programmable I/O Ports
P4_2/VREF
Data bus
(Note 1)
(Note 1)
P4_5
Pull-up selection
Direction
register
1
Output from individual peripheral function
Data bus
Port latch
Input to individual peripheral function
Input to external interrupt
Digital
filter
NOTE:
1.
symbolizes a parasitic diode.
Ensure the input voltage to each port does not exceed VCC.
Figure 7.4 Configuration of Programmable I/O Ports (4)
(Note 1)
(Note 1)
Rev.2.10 Sep 26, 2008 Page 57 of 453
REJ09B0278-0210