APPENDIX A LIST OF PERIPHERAL CIRCUIT CONTROL REGISTERS
S1C17M12/M13 TECHNICAL MANUAL
Seiko Epson Corporation
AP-A-5
(Rev. 1.2)
Address
Register name
Bit
Bit name
Initial
Reset
R/W
Remarks
0x420a P0CHATEN
(P0 Port Chattering
Filter Enable Register)
15–8 –
0x00
–
R
–
7–0 P0CHATEN[7:0]
0x00
H0
R/W
0x420c P0MODSEL
(P0 Port Mode Select
Register)
15–8 –
0x00
–
R
–
7–0 P0SEL[7:0]
0x00
H0
R/W
0x420e P0FNCSEL
(P0 Port Function
Select Register)
15–14 P07MUX[1:0]
0x0
H0
R/W –
13–12 P06MUX[1:0]
0x0
H0
R/W
11–10 P05MUX[1:0]
0x0
H0
R/W
9–8 P04MUX[1:0]
0x0
H0
R/W
7–6 P03MUX[1:0]
0x0
H0
R/W
5–4 P02MUX[1:0]
0x0
H0
R/W
3–2 P01MUX[1:0]
0x0
H0
R/W
1–0 P00MUX[1:0]
0x0
H0
R/W
0x4210 P1DAT
(P1 Port Data
Register)
15–8 P1OUT[7:0]
0x00
H0
R/W –
7–0 P1IN[7:0]
0x00
H0
R
0x4212 P1IOEN
(P1 Port Enable
Register)
15–8 P1IEN[7:0]
0x00
H0
R/W –
7–0 P1OEN[7:0]
0x00
H0
R/W
0x4214 P1RCTL
(P1 Port Pull-up/down
Control Register)
15–8 P1PDPU[7:0]
0x00
H0
R/W –
7–0 P1REN[7:0]
0x00
H0
R/W
0x4216 P1INTF
(P1 Port Interrupt
Flag Register)
15–8 –
0x00
–
R
–
7–0 P1IF[7:0]
0x00
H0
R/W Cleared by writing 1.
0x4218 P1INTCTL
(P1 Port Interrupt
Control Register)
15–8 P1EDGE[7:0]
0x00
H0
R/W –
7–0 P1IE[7:0]
0x00
H0
R/W
0x421a P1CHATEN
(P1 Port Chattering
Filter Enable Register)
15–8 –
0x00
–
R
–
7–0 P1CHATEN[7:0]
0x00
H0
R/W
0x421c P1MODSEL
(P1 Port Mode Select
Register)
15–8 –
0x00
–
R
–
7–0 P1SEL[7:0]
0x00
H0
R/W
0x421e P1FNCSEL
(P1 Port Function
Select Register)
15–14 P17MUX[1:0]
0x0
H0
R/W –
13–12 P16MUX[1:0]
0x0
H0
R/W
11–10 P15MUX[1:0]
0x0
H0
R/W
9–8 P14MUX[1:0]
0x0
H0
R/W
7–6 P13MUX[1:0]
0x0
H0
R/W
5–4 P12MUX[1:0]
0x0
H0
R/W
3–2 P11MUX[1:0]
0x0
H0
R/W
1–0 P10MUX[1:0]
0x0
H0
R/W
0x4220 P2DAT
(P2 Port Data
Register)
15–13 –
0x0
–
R
–
12–8 P2OUT[4:0]
0x00
H0
R/W
7–5 –
0x0
–
R
4–0 P2IN[4:0]
0x00
H0
R
0x4222 P2IOEN
(P2 Port Enable
Register)
15–13 –
0x0
–
R
–
12–8 P2IEN[4:0]
0x00
H0
R/W
7–5 –
0x0
–
R
4–0 P2OEN[4:0]
0x00
H0
R/W
0x4224 P2RCTL
(P2 Port Pull-up/down
Control Register)
15–13 –
0x0
–
R
–
12–8 P2PDPU[4:0]
0x00
H0
R/W
7–5 –
0x0
–
R
4–0 P2REN[4:0]
0x00
H0
R/W
0x4226 P2INTF
(P2 Port Interrupt
Flag Register)
15–8 –
0x00
–
R
–
7–5 –
0x0
–
R
4–0 P2IF[4:0]
0x00
H0
R/W Cleared by writing 1.