APPENDIX A LIST OF PERIPHERAL CIRCUIT CONTROL REGISTERS
AP-A-28
Seiko Epson Corporation
S1C31D50/D51 TECHNICAL MANUAL
(Rev. 2.00)
Address
Register name
Bit
Bit name
Initial
Reset
R/W
Remarks
48
pin
64
pin
80
pin
100
pin
0x0020
02e0
PPORTCLK
(P Port Clock Control
Register)
15–9 –
0x00
–
R
–
– – – –
8
DBRUN
0
H0
R/WP –
✓
✓
✓
✓
7–4 CLKDIV[3:0]
0x0
H0
R/WP
✓
✓
✓
✓
3–2 –
0x0
–
R
–
– – – –
1–0 CLKSRC[1:0]
0x0
H0
R/WP –
✓
✓
✓
✓
0x0020
02e2
PPORTINTFGRP
(P Port Interrupt Flag
Group Register)
15–11 –
0x0
–
R
–
– – – –
10 PAINT
0
H0
R
–
✓
✓
✓
✓
9
P9INT
0
H0
R
✓
✓
✓
✓
8
P8INT
0
H0
R
✓
✓
✓
✓
7
P7INT
0
H0
R
✓
✓
✓
✓
6
P6INT
0
H0
R
✓
✓
✓
✓
5
P5INT
0
H0
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
✓
✓
✓
✓
0x0020 0300–0x0020 031e
Universal Port Multiplexer (UPMUX)
Address
Register name
Bit
Bit name
Initial
Reset
R/W
Remarks
48
pin
64
pin
80
pin
100
pin
0x0020
0300
UPMUXP0MUX0
(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
0x0020
0302
UPMUXP0MUX1
(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
0x0020
0304
UPMUXP0MUX2
(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
0x0020
0306
UPMUXP0MUX3
(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
0x0020
0308
UPMUXP1MUX0
(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
0x0020
030a
UPMUXP1MUX1
(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