p2125vps20 Renesas Electronics Corporation., p2125vps20 Datasheet - Page 198

• Manufacturer Part Number: p2125vps20
• Description: 16-bit Single-chip Microcomputer H8s Family / H8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

Section 8 I/O Ports
• P23/A11/PW11/SDA1
• P22/A10/PW10, P21/A9/PW9, P20/A8/PW8
Note: n = 2 to 0
Rev. 1.00 Sep. 21, 2006 Page 160 of 658
REJ09B0310-0100
Operating Mode Mode 1
ICE
P23DDR
OE11
Pin Function
Operating Mode
P2nDDR
OEm
Pin Function
The pin function is switched as shown below according to the combination of the ICE bit in
ICCR of IIC_1, the OE11 bit in PWOERB of PWM, the P23DDR bit, and operating mode.
The pin function is switched as shown below according to the combination of the OEm bit in
PWOERB of PWM, the P2nDDR bit, and operating mode.
m = 10 to 8
A10 to A8
output
Mode 1
output
A11
pin
—
—
—
pins
—
—
input
P23
pin
P20 input
—
0
P22 to
pins
—
Mode 2, 3 (EXPE = 1)
0
Mode 2, 3 (EXPE = 1)
output
A11
pin
0
0
A8 output
A10 to
pins
1
0
PW11
output
pin
1
1
PW8 output
PW10 to
I/O pin
SDA1
pins
1
—
—
1
input
P20 input
P23
pin
—
P22 to
0
pins
—
0
Mode 2, 3 (EXPE = 0)
Mode 2, 3 (EXPE = 0)
output
P23
pin
0
0
P20 output
P22 to
pins
1
0
PW11
output
pin
1
1
output pins
PW10 to
PW8
I/O pin
SDA1
1
—
—
1