APPENDIX A LIST OF PERIPHERAL CIRCUIT CONTROL REGISTERS
AP-A-40
Seiko Epson Corporation
S1C31D50/D51 TECHNICAL MANUAL
(Rev. 2.00)
Address
Register name
Bit
Bit name
Initial
Reset
R/W
Remarks
0x0020
04c8
T16_5TC
(T16 Ch.5 Counter
Data Register)
15–0 TC[15:0]
0xffff
H0
R
–
0x0020
04ca
T16_5INTF
(T16 Ch.5 Interrupt
Flag Register)
15–8 –
0x00
–
R
–
7–1 –
0x00
–
R
0
UFIF
0
H0
R/W Cleared by writing 1.
0x0020
04cc
T16_5INTE
(T16 Ch.5 Interrupt
Enable Register)
15–8 –
0x00
–
R
–
7–1 –
0x00
–
R
0
UFIE
0
H0
R/W
0x0020 04d0–0x0020 04de
Synchronous Serial Interface (SPIA) Ch.2
Address
Register name
Bit
Bit name
Initial
Reset
R/W
Remarks
0x0020
04d0
SPIA_2MOD
(SPIA Ch.2 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
0x0020
04d2
SPIA_2CTL
(SPIA Ch.2 Control
Register)
15–8 –
0x00
–
R
–
7–2 –
0x00
–
R
1
SFTRST
0
H0
R/W
0
MODEN
0
H0
R/W
0x0020
04d4
SPIA_2TXD
(SPIA Ch.2 Transmit
Data Register)
15–0 TXD[15:0]
0x0000
H0
R/W –
0x0020
04d6
SPIA_2RXD
(SPIA Ch.2 Receive
Data Register)
15–0 RXD[15:0]
0x0000
H0
R
–
0x0020
04d8
SPIA_2INTF
(SPIA Ch.2 Interrupt
Flag Register)
15–8 –
0x00
–
R
–
7
BSY
0
H0
R
6–4 –
0x0
–
R
3
OEIF
0
H0/S0
R/W Cleared by writing 1.
2
TENDIF
0
H0/S0
R/W
1
RBFIF
0
H0/S0
R
Cleared by reading the
SPIA_2RXD register.
0
TBEIF
1
H0/S0
R
Cleared by writing to the
SPIA_2TXD register.
0x0020
04da
SPIA_2INTE
(SPIA Ch.2 Interrupt
Enable Register)
15–8 –
0x00
–
R
–
7–4 –
0x0
–
R
3
OEIE
0
H0
R/W
2
TENDIE
0
H0
R/W
1
RBFIE
0
H0
R/W
0
TBEIE
0
H0
R/W
0x0020
04dc
SPIA_2TBEDMAEN
(SPIA Ch.2 Transmit
Buffer Empty DMA
Request Enable
Register)
15–8 –
0x00
–
R
–
7–4 –
0x0
–
R
3–0 TBEDMAEN[3:0]
0x0
H0
R/W
0x0020
04de
SPIA_2RBFDMAEN
(SPIA Ch.2 Receive
Buffer Full DMA
Request Enable
Register)
15–8 –
0x00
–
R
–
7–4 –
0x0
–
R
3–0 RBFDMAEN[3:0]
0x0
H0
R/W