APPENDIX A LIST OF PERIPHERAL CIRCUIT CONTROL REGISTERS
AP-A-46
Seiko Epson Corporation
S1C31D50/D51 TECHNICAL MANUAL
(Rev. 2.00)
Address
Register name
Bit
Bit name
Initial
Reset
R/W
Remarks
0x0020
0698
QSPI_0INTF
(QSPI Ch.0 Interrupt
Flag Register)
15–8 –
0x00
–
R
–
7
BSY
0
H0
R
6
MMABSY
0
H0
R
5–4 –
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
QSPI_0RXD register.
0
TBEIF
1
H0/S0
R
Cleared by writing to the
QSPI_0TXD register.
0x0020
069a
QSPI_0INTE
(QSPI Ch.0 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
069c
QSPI_0TBEDMAEN
(QSPI Ch.0 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
069e
QSPI_0RBFDMAEN
(QSPI Ch.0 Receive
Buffer Full DMA
Request Enable
Register)
15–8 –
0x00
–
R
–
7–4 –
0x0
–
R
3–0 RBFDMAEN[3:0]
0x0
H0
R/W
0x0020
06a0
QSPI_0FRLDMAEN
(QSPI Ch.0 FIFO Data
Ready DMA Request
Enable Register)
15–8 –
0x00
–
R
–
7–4 –
0x0
–
R
3–0 FRLDMAEN[3:0]
0x0
H0
R/W
0x0020
06a2
QSPI_0MMACFG1
(QSPI Ch.0 Memory
Mapped Access Con-
figuration Register 1)
15–8 –
0x00
–
R
–
7–4 –
0x0
–
R
3–0 TCSH[3:0]
0x0
H0
R/W
0x0020
06a4
QSPI_0RMADRH
(QSPI Ch.0 Remap-
ping Start Address
High Register)
15–4 RMADR[31:20]
0x000
H0
R/W –
3-0 –
0x0
–
R
0x0020
06a6
QSPI_0MMACFG2
(QSPI Ch.0 Memory
Mapped Access Con-
figuration Register 2)
15–12 DUMDL[3:0]
0x0
H0
R/W –
11–8 DUMLN[3:0]
0x0
H0
R/W
7–6 DATTMOD[1:0]
0x0
H0
R/W
5–4 DUMTMOD[1:0]
0x0
H0
R/W
3–2 ADRTMOD[1:0]
0x0
H0
R/W
1
ADRCYC
0
H0
R/W
0
MMAEN
0
H0
R/W
0x0020
06a8
QSPI_0MB
(QSPI Ch.0 Mode
Byte Register)
15–8 XIPACT[7:0]
0x00
H0
R/W –
7–0 XIPEXT[7:0]
0x00
H0
R/W
0x0020 06c0–0x0020 06d6
I
2
C (I2C) Ch.1
Address
Register name
Bit
Bit name
Initial
Reset
R/W
Remarks
0x0020
06c0
I2C_1CLK
(I2C Ch.1 Clock
Control Register)
15–9 –
0x00
–
R
–
8
DBRUN
0
H0
R/W
7–6 –
0x0
–
R
5–4 CLKDIV[1:0]
0x0
H0
R/W
3–2 –
0x0
–
R
1–0 CLKSRC[1:0]
0x0
H0
R/W