
R8C/14 Group, R8C/15 Group 17. Programmable I/O Ports
Rev.2.10 Jan 19, 2006 Page 180 of 253
REJ09B0164-0210
Figure 17.1 Configuration of Programmable I/O Ports (1)
P1_0 to P1_3
"1"
Analog Input
Port Latch
Direction
Register
Data Bus
Pull-up Selection
Input to each peripheral function
Drive Capacity Selection
P1_4
“1”
Port Latch
Direction
Register
Data Bus
Pull-Up Selection
P1_5
Port Latch
Direction
Register
Data Bus
Pull-Up Selection
Input to each peripheral function
Output from each peripheral function
Output from each peripheral function
NOTES :
1. symbolizes a parasitic diode.
Ensure the input voltage on each port will not exceed VCC.
(Note 1)
(Note 1)
(Note 1)
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