APPENDIX A LIST OF PERIPHERAL CIRCUIT CONTROL REGISTERS
S1C31D50/D51 TECHNICAL MANUAL
Seiko Epson Corporation
AP-A-39
(Rev. 2.00)
Address
Register name
Bit
Bit name
Initial
Reset
R/W
Remarks
0x0020
0486
T16_3TR
(T16 Ch.3 Reload
Data Register)
15–0 TR[15:0]
0xffff
H0
R/W –
0x0020
0488
T16_3TC
(T16 Ch.3 Counter
Data Register)
15–0 TC[15:0]
0xffff
H0
R
–
0x0020
048a
T16_3INTF
(T16 Ch.3 Interrupt
Flag Register)
15–8 –
0x00
–
R
–
7–1 –
0x00
–
R
0
UFIF
0
H0
R/W Cleared by writing 1.
0x0020
048c
T16_3INTE
(T16 Ch.3 Interrupt
Enable Register)
15–8 –
0x00
–
R
–
7–1 –
0x00
–
R
0
UFIE
0
H0
R/W
0x0020 04a0–0x0020 04ac
16-bit Timer (T16) Ch.4
Address
Register name
Bit
Bit name
Initial
Reset
R/W
Remarks
0x0020
04a0
T16_4CLK
(T16 Ch.4 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
0x0020
04a2
T16_4MOD
(T16 Ch.4 Mode
Register)
15–8 –
0x00
–
R
–
7–1 –
0x00
–
R
0
TRMD
0
H0
R/W
0x0020
04a4
T16_4CTL
(T16 Ch.4 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
0x0020
04a6
T16_4TR
(T16 Ch.4 Reload
Data Register)
15–0 TR[15:0]
0xffff
H0
R/W –
0x0020
04a8
T16_4TC
(T16 Ch.4 Counter
Data Register)
15–0 TC[15:0]
0xffff
H0
R
–
0x0020
04aa
T16_4INTF
(T16 Ch.4 Interrupt
Flag Register)
15–8 –
0x00
–
R
–
7–1 –
0x00
–
R
0
UFIF
0
H0
R/W Cleared by writing 1.
0x0020
04ac
T16_4INTE
(T16 Ch.4 Interrupt
Enable Register)
15–8 –
0x00
–
R
–
7–1 –
0x00
–
R
0
UFIE
0
H0
R/W
0x0020 04c0–0x0020 04cc
16-bit Timer (T16) Ch.5
Address
Register name
Bit
Bit name
Initial
Reset
R/W
Remarks
0x0020
04c0
T16_5CLK
(T16 Ch.5 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
0x0020
04c2
T16_5MOD
(T16 Ch.5 Mode
Register)
15–8 –
0x00
–
R
–
7–1 –
0x00
–
R
0
TRMD
0
H0
R/W
0x0020
04c4
T16_5CTL
(T16 Ch.5 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
0x0020
04c6
T16_5TR
(T16 Ch.5 Reload
Data Register)
15–0 TR[15:0]
0xffff
H0
R/W –