APPENDIX A I/O REGISTER LIST
S1C17001 TECHNICAL MANUAL
EPSON
315
0x4320–0x4326
SPI
Register name Address
Bit
Name
Function
Setting
Init. R/W
Remarks
SPI Status
Register
(SPI_ST)
0x4320
(16 bits)
D15–3
–
reserved
–
–
–
0 when being read.
D2
SPBSY
Transfer busy flag (master)
1 Busy
0 Idle
0
R
ss signal low flag (slave)
1 ss = L
0 ss = H
D1
SPRBF
Receive data buffer full flag
1 Full
0 Not full
0
R
D0
SPTBE
Transmit data buffer empty flag
1 Empty
0 Not empty
1
R
SPI Transmit
Data Register
(SPI_TXD)
0x4322
(16 bits)
D15–8
–
reserved
–
–
–
0 when being read.
D7–0
SPTDB[7:0]
SPI transmit data buffer
SPTDB7 = MSB
SPTDB0 = LSB
0x0 to 0xff
0x0
R/W
SPI Receive
Data Register
(SPI_RXD)
0x4324
(16 bits)
D15–8
–
reserved
–
–
–
0 when being read.
D7–0
SPRDB[7:0]
SPI receive data buffer
SPRDB7 = MSB
SPRDB0 = LSB
0x0 to 0xff
0x0
R
SPI Control
Register
(SPI_CTL)
0x4326
(16 bits)
D15–6
–
reserved
–
–
–
0 when being read.
D5
SPRIE
Receive data buffer full int. enable 1 Enable
0 Disable
0
R/W
D4
SPTIE
Transmit data buffer empty int. enable 1 Enable
0 Disable
0
R/W
D3
CPHA
Clock phase select
1 Data out
0 Data in
0
R/W These bits must be
set before setting
SPEN to 1.
D2
CPOL
Clock polarity select
1 Active L
0 Active H
0
R/W
D1
MSSL
Master/slave mode select
1 Master
0 Slave
0
R/W
D0
SPEN
SPI enable
1 Enable
0 Disable
0
R/W
Summary of Contents for S1C17001
Page 1: ...Technical Manual S1C17001 CMOS 16 BIT SINGLE CHIP MICROCONTROLLER ...
Page 33: ...4 POWER SUPPLY VOLTAGE 24 EPSON S1C17001 TECHNICAL MANUAL This page intentionally left blank ...
Page 63: ...6 INITERRUPT CONTROLLER 54 EPSON S1C17001 TECHNICAL MANUAL This page intentionally left blank ...
Page 87: ...8 CLOCK GENERATOR CLG 78 EPSON S1C17001 TECHNICAL MANUAL This page intentionally left blank ...
Page 91: ...9 PRESCALER PSC 82 EPSON S1C17001 TECHNICAL MANUAL This page intentionally left blank ...
Page 133: ...11 16 BIT TIMER T16 124 EPSON S1C17001 TECHNICAL MANUAL This page intentionally left blank ...
Page 211: ...16 STOPWATCH TIMER SWT 202 EPSON S1C17001 TECHNICAL MANUAL This page intentionally left blank ...
Page 219: ...17 WATCHDOG TIMER WDT 210 EPSON S1C17001 TECHNICAL MANUAL This page intentionally left blank ...
Page 241: ...18 UART 232 EPSON S1C17001 TECHNICAL MANUAL This page intentionally left blank ...
Page 277: ...20 I2 C 268 EPSON S1C17001 TECHNICAL MANUAL This page intentionally left blank ...
Page 313: ...25 PACKAGE 304 EPSON S1C17001 TECHNICAL MANUAL This page intentionally left blank ...