Epson S1C31D50 Technical Manual page 387

Address Register name
0x0020 P8MODSEL
028c (P8 Port Mode Select
Register)
0x0020 P8FNCSEL
028e (P8 Port Function
Select Register)
0x0020 P9DAT
0290
(P9 Port Data
Register)
0x0020 P9IOEN
0292 (P9 Port Enable
Register)
S1C31D50/D51 TECHNICAL MANUAL
(Rev. 2.00)
APPENDIX A LIST OF PERIPHERAL CIRCUIT CONTROL REGISTERS
Bit Bit name
15–8 –
7 P8SEL7
6 P8SEL6
5 P8SEL5
4 P8SEL4
3 P8SEL3
2 P8SEL2
1 P8SEL1
0 P8SEL0
15–14 P87MUX[1:0]
13–12 P86MUX[1:0]
11–10 P85MUX[1:0]
9–8 P84MUX[1:0]
7–6 P83MUX[1:0]
5–4 P82MUX[1:0]
3–2 P81MUX[1:0]
1–0 P80MUX[1:0]
15–14 –
13 P9OUT5
12 P9OUT4
11 P9OUT3
10 P9OUT2
9 P9OUT1
8 P9OUT0
7–6 –
5 P9IN5
4 P9IN4
3 P9IN3
2 P9IN2
1 P9IN1
0 P9IN0
15–14 –
13 P9IEN5
12 P9IEN4
11 P9IEN3
10 P9IEN2
9 P9IEN1
8 P9IEN0
7–6 –
5 P9OEN5
4 P9OEN4
3 P9OEN3
2 P9OEN2
1 P9OEN1
0 P9OEN0
Seiko Epson Corporation
Initial Reset R/W
0x00 – R
0 H0 R/W
0 H0 R/W
0 H0 R/W
0 H0 R/W
0 H0 R/W
0 H0 R/W
0 H0 R/W
0 H0 R/W
0x0 H0 R/W
0x0 H0 R/W
0x0 H0 R/W
0x0 H0 R/W
0x0 H0 R/W
0x0 H0 R/W
0x0 H0 R/W
0x0 H0 R/W
0x0 – R
0 H0 R/W
0 H0 R/W
0 H0 R/W
0 H0 R/W
0 H0 R/W
0 H0 R/W
0x0 – R
0 H0 R
0 H0 R
0 H0 R
0 H0 R
0 H0 R
0 H0 R
0x0 – R
0 H0 R/W
0 H0 R/W
0 H0 R/W
0 H0 R/W
0 H0 R/W
0 H0 R/W
0x0 – R
0 H0 R/W
0 H0 R/W
0 H0 R/W
0 H0 R/W
0 H0 R/W
0 H0 R/W
48 64 80 100
Remarks
pin pin pin pin
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✓ ✓ ✓ ✓
✓ ✓ ✓ ✓
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✓ ✓ ✓ ✓
✓ ✓ ✓ ✓
✓ ✓ ✓ ✓
✓ ✓ ✓ ✓
✓ ✓ ✓ ✓
✓ ✓ ✓ ✓
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✓ ✓ ✓ ✓
✓ ✓ ✓ ✓
✓ ✓ ✓ ✓
✓ ✓ ✓ ✓
✓ ✓ ✓ ✓
✓ ✓ ✓ ✓
AP-A-23
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