APPENDIX A LIST OF PERIPHERAL CIRCUIT CONTROL REGISTERS
AP-A-2
Seiko Epson Corporation
S1C17M20/M21/M22/M23/M24/M25
TECHNICAL MANUAL (Rev. 1.0)
Address
Register name
Bit
Bit name
Initial
Reset
R/W
Remarks
0x4046 CLGOSC1
(CLG OSC1 Control
Register)
15 –
0
–
R
–
14 OSDRB
1
H0
R/WP
13 OSDEN
0
H0
R/WP
12 OSC1BUP
1
H0
R/WP
11 OSC1SELCR
0
H0
R/WP
10–8 CGI1[2:0]
0x0
H0
R/WP
7–6 INV1B[1:0]
0x2
H0
R/WP
5–4 INV1N[1:0]
0x1
H0
R/WP
3–2 –
0x0
–
R
1–0 OSC1WT[1:0]
0x2
H0
R/WP
0x4048 CLGOSC3
(CLG OSC3 Control
Register)
15–12 –
0x0
–
R
–
11–10 OSC3FQ[1:0]
0x1
H0
R/WP
9
OSC3MD
0
H0
R/WP
8
–
0
–
R
7–6 –
0x0
–
R
5–4 OSC3INV[1:0]
0x3
H0
R/WP
3
OSC3STM
0
H0
R/WP
2–0 OSC3WT[2:0]
0x6
H0
R/WP
0x404c CLGINTF
(CLG Interrupt Flag
Register)
15–8 –
0x00
–
R
–
7
–
0x0
–
R
6
(reserved)
0
H0
R
5
OSC1STPIF
0
H0
R/W Cleared by writing 1.
4
OSC3TEDIF
0
H0
R/W
3
–
0
–
R
–
2
OSC3STAIF
0
H0
R/W Cleared by writing 1.
1
OSC1STAIF
0
H0
R/W
0
IOSCSTAIF
0
H0
R/W
0x404e CLGINTE
(CLG Interrupt Enable
Register)
15–8 –
0x00
–
R
–
7
–
0
–
R
6
(reserved)
0
H0
R
5
OSC1STPIE
0
H0
R/W
4
OSC3TEDIE
0
H0
R/W
3
–
0
–
R
2
OSC3STAIE
0
H0
R/W
1
OSC1STAIE
0
H0
R/W
0
IOSCSTAIE
0
H0
R/W
0x4050 CLGFOUT
(CLG FOUT Control
Register)
15–8 –
0x00
–
R
–
7
–
0
–
R
6–4 FOUTDIV[2:0]
0x0
H0
R/W
3–2 FOUTSRC[1:0]
0x0
H0
R/W
1
–
0
–
R
0
FOUTEN
0
H0
R/W
0x4080–0x4094
Interrupt Controller (ITC)
Address
Register name
Bit
Bit name
Initial
Reset
R/W
Remarks
0x4080 ITCLV0
(ITC Interrupt Level
Setup Register 0)
15–11 –
0x00
–
R
–
10–8 ILV1[2:0]
0x0
H0
R/W Port interrupt (ILVPPORT)
7–3 –
0x00
–
R
–
2–0 ILV0[2:0]
0x0
H0
R/W Supply voltage detector
interrupt (ILVSVD3)
0x4082 ITCLV1
(ITC Interrupt Level
Setup Register 1)
15–11 –
0x00
–
R
–
10–8 ILV3[2:0]
0x0
H0
R/W Clock generator interrupt
(ILVCLG)
7–0 –
0x00
–
R
–