APPENDIX A LIST OF PERIPHERAL CIRCUIT CONTROL REGISTERS
aP-a-4
Seiko epson Corporation
S1C17F13 TeChniCal Manual
(Rev. 1.0)
0x40c0–0x40c8
Real-time Clock (RTC)
Address
Register name
Bit
Bit name
Initial
Reset
R/W
Remarks
0x40c0 RTCCTL
(RTC Control
Register)
15–9 –
0x00
–
R
–
8
RTCST
0
H0
R
7–6 –
0x0
–
R
5
BCDMD
0
H0
R/W
4
RTC24H
0
H0
R/W
3–1 –
0x0
–
R
0
RTCRUN
0
H0
R/W
0x40c2 RTCINTE
(RTC Interrupt Enable
Register)
15–10 –
0x00
–
R
–
9
1DIE
0
H0
R/W
8
HDIE
0
H0
R/W
7
1HIE
0
H0
R/W
6
10MIE
0
H0
R/W
5
1MIE
0
H0
R/W
4
10SIE
0
H0
R/W
3
1HZIE
0
H0
R/W
2
4HZIE
0
H0
R/W
1
8HZIE
0
H0
R/W
0
32HZIE
0
H0
R/W
0x40c4 RTCINTF
(RTC Interrupt Flag
Register)
15–10 –
0x00
–
R
–
9
1DIF
0
H0
R/W Cleared by writing 1.
8
HDIF
0
H0
R/W
7
1HIF
0
H0
R/W
6
10MIF
0
H0
R/W
5
1MIF
0
H0
R/W
4
10SIF
0
H0
R/W
3
1HZIF
0
H0
R/W
2
4HZIF
0
H0
R/W
1
8HZIF
0
H0
R/W
0
32HZIF
0
H0
R/W
0x40c6 RTCMIN
(RTC Minute/Second
Register)
15 –
0
–
R
–
14–8 RTCMIN[6:0]
x
–
R/W
7
–
0
–
R
6–0 RTCSEC[6:0]
x
–
R/W
0x40c8 RTCHUR
(RTC Hour Register)
15–8 –
0x00
–
R
–
7
AMPM
x
–
R/W
6
–
0
–
R
5–0 RTCHUR[5:0]
x
–
R/W
0x4100–0x4106
Supply Voltage Detector (SVD)
Address
Register name
Bit
Bit name
Initial
Reset
R/W
Remarks
0x4100 SVDCLK
(SVD Clock Control
Register)
15–9 –
0x00
–
R
–
8
DBRUN
1
H0
R/WP
7
–
0
–
R
6–4 CLKDIV[2:0]
0x0
H0
R/WP
3–2 –
0x0
–
R
1–0 CLKSRC[1:0]
0x0
H0
R/WP
0x4102 SVDCTL
(SVD Control
Register)
15 VDSEL
0
H1
R/WP –
14–13 SVDSC[1:0]
0x0
H0
R/WP Writing takes effect when
the SVDCTL.SVDMD[1:0]
bits are not 0x0.
12–8 SVDC[4:0]
0x00
H1
R/WP –
7–4 SVDRE[3:0]
0x0
H1
R/WP
3
–
0
–
R
2–1 SVDMD[1:0]
0x0
H0
R/WP
0
MODEN
0
H1
R/WP