Epson S1C88655 Technical Manual page 27

Address Bit Name
00FF48 D7 STPB0
SIF0 stop bit selection
D6 EPR0
SIF0 parity enable register
D5 PMD0
SIF0 parity mode selection
D4 SCS01
SIF0 clock source selection
D3 SCS00
D2 SMD01
SIF0 mode selection
D1 SMD00
D0 ESIF0
SIF0 enable register
00FF49 D7 SDP0 SIF0 data input/output permutation selection
D6 FER0
SIF0 framing error flag
D5 PER0
SIF0 parity error flag
D4 OER0
SIF0 overrun error flag
D3 RXTRG0
SIF0 receive trigger/status
D2 RXEN0
SIF0 receive enable
D1 TXTRG0 SIF0 transmit trigger/status
D0 TXEN0 SIF0 transmit enable
00FF4A D7 TXD07
SIF0 transmit data D7 (MSB)
D6 TXD06 SIF0 transmit data D6
D5 TXD05
SIF0 transmit data D5
D4 TXD04 SIF0 transmit data D4
D3 TXD03
SIF0 transmit data D3
D2 TXD02 SIF0 transmit data D2
D1 TXD01
SIF0 transmit data D1
D0 TXD00 SIF0 transmit data D0 (LSB)
00FF4B D7 RXD07
SIF0 receive data D7 (MSB)
D6 RXD06 SIF0 receive data D6
D5 RXD05
SIF0 receive data D5
D4 RXD04 SIF0 receive data D4
D3 RXD03
SIF0 receive data D3
D2 RXD02 SIF0 receive data D2
D1 RXD01
SIF0 receive data D1
D0 RXD00 SIF0 receive data D0 (LSB)
S1C88655 TECHNICAL MANUAL
Table 3.5.1(j) I/O Memory map (00FF48H–00FF4BH)
Function
SCS01 SCS00 Clock source
1 1 Programmable timer
1 0 f / 4
OSC3
0 1 f / 8
OSC3
0 0 f / 16
OSC3
SMD01 SMD00 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
3 MEMORY MAP
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
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