Renesas R8C/20 User Manual

R8C/20 Group, R8C/21 Group 7. Programmable I/O Ports
Rev.2.00 Aug 27, 2008 Page 42 of 458
REJ09B0250-0200
Figure 7.3 Configuration of Programmable I/O Ports (3)
P3_3 to P3_5 and P3_7
1
Port latch
Data bus
Pull-up selection
Input to each peripheral function
Output from each peripheral function
Direction
register
P3_0 and P3_1
Port latchData bus
Pull-up selection
1
Output from each peripheral function
Direction
register
(1)
NOTE:
1. symbolizes a parasitic diode.
Ensure the input voltage on each port will not exceed VCC.
(1)
(1)
(1)

Renesas R8C/20 Specifications

General

Brand	Renesas
Model	R8C/20
Category	Control Unit
Language	English