Renesas R8C/20 User Manual

R8C/20 Group, R8C/21 Group 7. Programmable I/O Ports
Rev.2.00 Aug 27, 2008 Page 40 of 458
REJ09B0250-0200
Figure 7.1 Configuration of Programmable I/O Ports (1)
P1_0 to P1_3
1
Output from each peripheral function
Analog input
Port latchData bus
Pull-up selection
Input to each peripheral function
P1_4
1
Port latchData bus
Pull-up selection
Output from each peripheral function
P0
Port latch
Direction
register
Data bus
Pull-up selection
Analog input
Direction
register
Direction
register
(1)
NOTE:
1. symbolizes a parasitic diode.
Ensure the input voltage on each port will not exceed VCC.
(1)
(1)
(1)
(1)
(1)

Renesas R8C/20 Specifications

General

Brand	Renesas
Model	R8C/20
Category	Control Unit
Language	English