Renesas R8C series

R8C/1A Group, R8C/1B Group 5. Programmable I/O Ports
Rev.1.30 Dec 08, 2006 Page 26 of 315
REJ09B0252-0130
Figure 5.2 Configuration of Programmable I/O Ports (2)
P1_6, P1_7
Port latch
Direction
register
Data bus
Pull-up selection
P3_3
Port latch
Direction
register
Data bus
Pull-up selection
Digital
filter
P3_4, P3_5, P3_7
1
Port latch
Direction
register
Data bus
Pull-up selection
1
Output from individual peripheral function
1
Output from individual peripheral function
Output from individual peripheral function
Input to individual peripheral function
Input to individual peripheral function
Input to individual peripheral function
NOTE :
1. symbolizes a parasitic diode.
Ensure the input voltage to each port will not exceed VCC.
(Note 1)
(Note 1)
(Note 1)