Section 8 I/O Ports
Rev. 3.00 Mar. 14, 2006 Page 219 of 804
REJ09B0104-0300
8.2.2 Port
2
(1)
P23/TIOCC3/TIOCD3/
IRQ11
-A
The pin function is switched as shown below according to the combination of the port function
control register 9 (PFCR9), TPU_3, and P23DDR bit settings.
Setting
TPU_3
*
I/O
Port
Module Name
Pin Function
TIOCD3_OE P23DDR
TPU_3
*
TIOCD3
output 1
I/O port
P23 output
0
1
P23 input (initial setting) 0
0
Note:
*
Supported only by the H8SX/1527.
(2)
P22/TIOCC3/
IRQ10
-A
The pin function is switched as shown below according to the combination of the port function
control register 9 (PFCR9), TPU_3, and P22DDR bit settings.
Setting
TPU_3
*
I/O
Port
Module Name
Pin Function
TIOCD3_OE P22DDR
TPU_3
*
TIOCC3
output 1
I/O port
P22 output
0
1
P22 input (initial setting) 0
0
Note:
*
Supported only by the H8SX/1527.
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