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Address Bit
Name
00FF4C D7
STPB1
SIF1 stop bit selection
D6
EPR1
SIF1 parity enable register
D5
PMD1
SIF1 parity mode selection
D4
SCS11
SIF1 clock source selection
D3
SCS10
D2
SMD11
SIF1 mode selection
D1
SMD10
D0
ESIF1
SIF1 enable register
00FF4D D7
SDP1
SIF1 data input/output permutation selection
D6
FER1
SIF1 framing error flag
D5
PER1
SIF1 parity error flag
D4
OER1
SIF1 overrun error flag
D3
RXTRG1
SIF1 receive trigger/status
D2
RXEN1
SIF1 receive enable
D1
TXTRG1
SIF1 transmit trigger/status
D0
TXEN1
SIF1 transmit enable
00FF4E D7
TXD17
SIF1 transmit data D7 (MSB)
D6
TXD16
SIF1 transmit data D6
D5
TXD15
SIF1 transmit data D5
D4
TXD14
SIF1 transmit data D4
D3
TXD13
SIF1 transmit data D3
D2
TXD12
SIF1 transmit data D2
D1
TXD11
SIF1 transmit data D1
D0
TXD10
SIF1 transmit data D0 (LSB)
00FF4F D7
RXD17
SIF1 receive data D7 (MSB)
D6
RXD16
SIF1 receive data D6
D5
RXD15
SIF1 receive data D5
D4
RXD14
SIF1 receive data D4
D3
RXD13
SIF1 receive data D3
D2
RXD12
SIF1 receive data D2
D1
RXD11
SIF1 receive data D1
D0
RXD10
SIF1 receive data D0 (LSB)
S1C88655 TECHNICAL MANUAL
Table 11.9.1(b) Serial interface control bits
Function
SCS11
SCS10
Clock source
1
1
Programmable timer
1
0
f
/ 4
OSC3
0
1
f
/ 8
OSC3
0
0
f
/ 16
OSC3
SMD11
SMD10
Mode
1
1
Asynchronous 8-bit
1
0
Asynchronous 7-bit
0
1
Clock synchronous slave
0
0
Clock synchronous master
1
2 bits
With parity
Non parity
Odd
Serial I/F
I/O port
MSB first
LSB first
R
Error
No error
W
Reset (0)
No operation
R
Error
No error
W
Reset (0)
No operation
R
Error
No error
W
Reset (0)
No operation
R
Run
W
Trigger
No operation
Enable
Disable
R
Run
W
Trigger
No operation
Enable
Disable
High
High
EPSON
11 SERIAL INTERFACE
0
SR R/W
Comment
0
R/W
1 bit
Only for
0
R/W
asynchronous mode
0
R/W
Even
0
R/W
In the clock synchro-
nous slave mode,
external clock is
0
R/W
selected.
0
R/W
0
R/W
0
R/W
0
R/W
0
R/W
Only for
asynchronous mode
0
R/W
0
R/W
0
R/W
Stop
0
R/W
0
R/W
Stop
0
R/W
X
R/W
Low
X
R
Low
87
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