P3 Port Group - Epson Arm S1C31 Series Technical Manual

7.7.4 P3 Port Group

The P3 port group supports the GPIO and interrupt functions.
Register name Bit
P3DAT 15
(P3 Port Data
14
Register)
13
12
11
10
9
8
7
6
5
4
3
2
1
0
P3IOEN 15
(P3 Port Enable
14
Register)
13
12
11
10
9
8
7
6
5
4
3
2
1
0
P3RCTL 15
(P3 Port Pull-up/down
14
Control Register)
13
12
11
10
9
8
7
6
5
4
3
2
1
0
S1C31D41 TECHNICAL MANUAL
(Rev. 1.1)
Table 7.7.4.1 Control Registers for P3 Port Group
Bit name Initial
P3OUT7 0
P3OUT6 0
P3OUT5 0
P3OUT4 0
P3OUT3 0
P3OUT2 0
P3OUT1 0
P3OUT0 0
P3IN7 0
P3IN6 0
P3IN5 0
P3IN4 0
P3IN3 0
P3IN2 0
P3IN1 0
P3IN0 0
P3IEN7 0
P3IEN6 0
P3IEN5 0
P3IEN4 0
P3IEN3 0
P3IEN2 0
P3IEN1 0
P3IEN0 0
P3OEN7 0
P3OEN6 0
P3OEN5 0
P3OEN4 0
P3OEN3 0
P3OEN2 0
P3OEN1 0
P3OEN0 0
P3PDPU7 0
P3PDPU6 0
P3PDPU5 0
P3PDPU4 0
P3PDPU3 0
P3PDPU2 0
P3PDPU1 0
P3PDPU0 0
P3REN7 0
P3REN6 0
P3REN5 0
P3REN4 0
P3REN3 0
P3REN2 0
P3REN1 0
P3REN0 0
Seiko Epson Corporation
Reset R/W
H0 R/W –
H0 R/W
H0 R/W
H0 R/W
H0 R/W
H0 R/W
H0 R/W
H0 R/W
H0 R –
H0 R
H0 R
H0 R
H0 R
H0 R
H0 R
H0 R
H0 R/W –
H0 R/W
H0 R/W
H0 R/W
H0 R/W
H0 R/W
H0 R/W
H0 R/W
H0 R/W –
H0 R/W
H0 R/W
H0 R/W
H0 R/W
H0 R/W
H0 R/W
H0 R/W
H0 R/W –
H0 R/W
H0 R/W
H0 R/W
H0 R/W
H0 R/W
H0 R/W
H0 R/W
H0 R/W –
H0 R/W
H0 R/W
H0 R/W
H0 R/W
H0 R/W
H0 R/W
H0 R/W
7 I/O PORTS (PPORT)
32 48
Remarks
pin pin pin
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– –
7-19
64
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