APPENDIX A LIST OF PERIPHERAL CIRCUIT CONTROL REGISTERS
S1C17M20/M21/M22/M23/M24/M25
Seiko Epson Corporation
AP-A-17
TECHNICAL MANUAL (Rev. 1.0)
Address
Register name
Bit
Bit name
Initial
Reset
R/W
Remarks
M20/M23 M21/
M24
M22/
M25
24pin 32pin
0x42e2 PINTFGRP
(P Port Interrupt Flag
Group Register)
15–8 –
0x00
–
R
–
–
–
–
–
7–5 –
0x0
–
R
–
–
–
–
4
P4INT
0
H0
R
–
–
–
–
✓
3
P3INT
0
H0
R
✓
✓
✓
✓
2
P2INT
0
H0
R
✓
✓
✓
✓
1
P1INT
0
H0
R
✓
✓
✓
✓
0
P0INT
0
H0
R
✓
✓
✓
✓
0x4300–0x431e
Universal Port Multiplexer (UPMUX)
Address
Register name
Bit
Bit name
Initial
Reset
R/W
Remarks
M20/M23 M21/
M24
M22/
M25
24pin 32pin
0x4300 P0UPMUX0
(P00–01 Universal
Port Multiplexer
Setting Register)
15–13 P01PPFNC[2:0]
0x0
H0
R/W –
✓
✓
✓
✓
12–11 P01PERICH[1:0]
0x0
H0
R/W
✓
✓
✓
✓
10–8 P01PERISEL[2:0]
0x0
H0
R/W
✓
✓
✓
✓
7–5 P00PPFNC[2:0]
0x0
H0
R/W
✓
✓
✓
✓
4–3 P00PERICH[1:0]
0x0
H0
R/W
✓
✓
✓
✓
2–0 P00PERISEL[2:0]
0x0
H0
R/W
✓
✓
✓
✓
0x4302 P0UPMUX1
(P02–03 Universal
Port Multiplexer
Setting Register)
15–13 P03PPFNC[2:0]
0x0
H0
R/W –
✓
✓
✓
✓
12–11 P03PERICH[1:0]
0x0
H0
R/W
✓
✓
✓
✓
10–8 P03PERISEL[2:0]
0x0
H0
R/W
✓
✓
✓
✓
7–5 P02PPFNC[2:0]
0x0
H0
R/W
✓
✓
✓
✓
4–3 P02PERICH[1:0]
0x0
H0
R/W
✓
✓
✓
✓
2–0 P02PERISEL[2:0]
0x0
H0
R/W
✓
✓
✓
✓
0x4304 P0UPMUX2
(P04–05 Universal
Port Multiplexer
Setting Register)
15–13 P05PPFNC[2:0]
0x0
H0
R/W –
–
–
–
✓
12–11 P05PERICH[1:0]
0x0
H0
R/W
–
–
–
✓
10–8 P05PERISEL[2:0]
0x0
H0
R/W
–
–
–
✓
7–5 P04PPFNC[2:0]
0x0
H0
R/W
–
–
–
✓
4–3 P04PERICH[1:0]
0x0
H0
R/W
–
–
–
✓
2–0 P04PERISEL[2:0]
0x0
H0
R/W
–
–
–
✓
0x4306 P0UPMUX3
(P06–07 Universal
Port Multiplexer
Setting Register)
15–13 P07PPFNC[2:0]
0x0
H0
R/W –
–
–
–
✓
12–11 P07PERICH[1:0]
0x0
H0
R/W
–
–
–
✓
10–8 P07PERISEL[2:0]
0x0
H0
R/W
–
–
–
✓
7–5 P06PPFNC[2:0]
0x0
H0
R/W
–
–
–
✓
4–3 P06PERICH[1:0]
0x0
H0
R/W
–
–
–
✓
2–0 P06PERISEL[2:0]
0x0
H0
R/W
–
–
–
✓
0x4308 P1UPMUX0
(P10–11 Universal
Port Multiplexer
Setting Register)
15–13 P11PPFNC[2:0]
0x0
H0
R/W –
–
✓
✓
✓
12–11 P11PERICH[1:0]
0x0
H0
R/W
–
✓
✓
✓
10–8 P11PERISEL[2:0]
0x0
H0
R/W
–
✓
✓
✓
7–5 P10PPFNC[2:0]
0x0
H0
R/W
–
✓
✓
✓
4–3 P10PERICH[1:0]
0x0
H0
R/W
–
✓
✓
✓
2–0 P10PERISEL[2:0]
0x0
H0
R/W
–
✓
✓
✓
0x430a P1UPMUX1
(P12–13 Universal
Port Multiplexer
Setting Register)
15–13 P13PPFNC[2:0]
0x0
H0
R/W –
✓
✓
✓
✓
12–11 P13PERICH[1:0]
0x0
H0
R/W
✓
✓
✓
✓
10–8 P13PERISEL[2:0]
0x0
H0
R/W
✓
✓
✓
✓
7–5 P12PPFNC[2:0]
0x0
H0
R/W
✓
✓
✓
✓
4–3 P12PERICH[1:0]
0x0
H0
R/W
✓
✓
✓
✓
2–0 P12PERISEL[2:0]
0x0
H0
R/W
✓
✓
✓
✓
0x430c P1UPMUX2
(P14–15 Universal
Port Multiplexer
Setting Register)
15–13 P15PPFNC[2:0]
0x0
H0
R/W –
✓
✓
✓
✓
12–11 P15PERICH[1:0]
0x0
H0
R/W
✓
✓
✓
✓
10–8 P15PERISEL[2:0]
0x0
H0
R/W
✓
✓
✓
✓
7–5 P14PPFNC[2:0]
0x0
H0
R/W
✓
✓
✓
✓
4–3 P14PERICH[1:0]
0x0
H0
R/W
✓
✓
✓
✓
2–0 P14PERISEL[2:0]
0x0
H0
R/W
✓
✓
✓
✓