APPENDIX A LIST OF PERIPHERAL CIRCUIT CONTROL REGISTERS
AP-A-20
Seiko Epson Corporation
S1C17M20/M21/M22/M23/M24/M25
TECHNICAL MANUAL (Rev. 1.0)
0x43a0–0x43ac
16-bit Timer (T16) Ch.1
Address
Register name
Bit
Bit name
Initial
Reset
R/W
Remarks
0x43a0 T16_1CLK
(T16 Ch.1 Clock
Control Register)
15–9 –
0x00
–
R
–
8
DBRUN
0
H0
R/W
7–4 CLKDIV[3:0]
0x0
H0
R/W
3–2 –
0x0
–
R
1–0 CLKSRC[1:0]
0x0
H0
R/W
0x43a2 T16_1MOD
(T16 Ch.1 Mode
Register)
15–8 –
0x00
–
R
–
7–1 –
0x00
–
R
0
TRMD
0
H0
R/W
0x43a4 T16_1CTL
(T16 Ch.1 Control
Register)
15–9 –
0x00
–
R
–
8
PRUN
0
H0
R/W
7–2 –
0x00
–
R
1
PRESET
0
H0
R/W
0
MODEN
0
H0
R/W
0x43a6 T16_1TR
(T16 Ch.1 Reload
Data Register)
15–0 TR[15:0]
0xffff
H0
R/W –
0x43a8 T16_1TC
(T16 Ch.1 Counter
Data Register)
15–0 TC[15:0]
0xffff
H0
R
–
0x43aa T16_1INTF
(T16 Ch.1 Interrupt
Flag Register)
15–8 –
0x00
–
R
–
7–1 –
0x00
–
R
0
UFIF
0
H0
R/W Cleared by writing 1.
0x43ac T16_1INTE
(T16 Ch.1 Interrupt
Enable Register)
15–8 –
0x00
–
R
–
7–1 –
0x00
–
R
0
UFIE
0
H0
R/W
0x43b0–0x43ba
Synchronous Serial Interface (SPIA) Ch.0
Address
Register name
Bit
Bit name
Initial
Reset
R/W
Remarks
0x43b0 SPI0MOD
(SPIA Ch.0 Mode
Register)
15–12 –
0x0
–
R
–
11–8 CHLN[3:0]
0x7
H0
R/W
7–6 –
0x0
–
R
5
PUEN
0
H0
R/W
4
NOCLKDIV
0
H0
R/W
3
LSBFST
0
H0
R/W
2
CPHA
0
H0
R/W
1
CPOL
0
H0
R/W
0
MST
0
H0
R/W
0x43b2 SPI0CTL
(SPIA Ch.0 Control
Register)
15–8 –
0x00
–
R
–
7–2 –
0x00
–
R
1
SFTRST
0
H0
R/W
0
MODEN
0
H0
R/W
0x43b4 SPI0TXD
(SPIA Ch.0 Transmit
Data Register)
15–0 TXD[15:0]
0x0000
H0
R/W –
0x43b6 SPI0RXD
(SPIA Ch.0 Receive
Data Register)
15–0 RXD[15:0]
0x0000
H0
R
–