B-39
Seiko Epson Corporation
S1C31D50 TECHNICAL MANUAL
(Rev. 1.00)
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
Summary of Contents for S1C31D50
Page 461: ...25 1 Seiko Epson Corporation S1C31D50 TECHNICAL MANUAL Rev 1 00 25 Package TQFP12 48PIN ...
Page 462: ...25 2 Seiko Epson Corporation S1C31D50 TECHNICAL MANUAL Rev 1 00 QFP13 64PIN ...
Page 463: ...25 3 Seiko Epson Corporation S1C31D50 TECHNICAL MANUAL Rev 1 00 TQFP14 80PIN ...
Page 464: ...25 4 Seiko Epson Corporation S1C31D50 TECHNICAL MANUAL Rev 1 00 QFP15 100PIN ...