Epson CMOS 32-Bit Single Chip Microcomputer S1C33L03 Technical Manual page 42

4 PERIPHERAL CIRCUITS
Register name Address Bit
Serial I/F Ch.1 00401E5 D7
transmit data (B) D6
register D5
D4
D3
D2
D1
D0
Serial I/F Ch.1 00401E6 D7
receive data (B) D6
register D5
D4
D3
D2
D1
D0
Serial I/F Ch.1 00401E7 D7–6
status register (B) D5
D4
D3
D2
D1
D0
Serial I/F Ch.1 00401E8 D7
control register (B) D6
D5
D4
D3
D2
D1
D0
Serial I/F Ch.1 00401E9 D7–5
IrDA register (B) D4
D3
D2
D1
D0
Serial I/F Ch.2 00401F0 D7
transmit data (B) D6
register D5
D4
D3
D2
D1
D0
Serial I/F Ch.2 00401F1 D7
receive data (B) D6
register D5
D4
D3
D2
D1
D0
Serial I/F Ch.2 00401F2 D7–6
status register (B) D5
D4
D3
D2
D1
D0
A-26
Name Function
TXD17 Serial I/F Ch.1 transmit data
TXD16 TXD17(16) = MSB
TXD15 TXD10 = LSB
TXD14
TXD13
TXD12
TXD11
TXD10
RXD17 Serial I/F Ch.1 receive data
RXD16 RXD17(16) = MSB
RXD15 RXD10 = LSB
RXD14
RXD13
RXD12
RXD11
RXD10
– –
TEND1 Ch.1 transmit-completion flag
FER1 Ch.1 flaming error flag
PER1 Ch.1 parity error flag
OER1 Ch.1 overrun error flag
TDBE1 Ch.1 transmit data buffer empty
RDBF1 Ch.1 receive data buffer full
TXEN1 Ch.1 transmit enable
RXEN1 Ch.1 receive enable
EPR1 Ch.1 parity enable
PMD1 Ch.1 parity mode selection
STPB1 Ch.1 stop bit selection
SSCK1 Ch.1 input clock selection
SMD11 Ch.1 transfer mode selection
SMD10
– –
DIVMD1 Ch.1 async. clock division ratio
IRTL1 Ch.1 IrDA I/F output logic inversion
IRRL1 Ch.1 IrDA I/F input logic inversion
IRMD11 Ch.1 interface mode selection
IRMD10
TXD27 Serial I/F Ch.2 transmit data
TXD26 TXD27(26) = MSB
TXD25 TXD20 = LSB
TXD24
TXD23
TXD22
TXD21
TXD20
RXD27 Serial I/F Ch.2 receive data
RXD26 RXD27(26) = MSB
RXD25 RXD20 = LSB
RXD24
RXD23
RXD22
RXD21
RXD20
– reserved
TEND2 Ch.2 transmit-completion flag
FER2 Ch.2 flaming error flag
PER2 Ch.2 parity error flag
OER2 Ch.2 overrun error flag
TDBE2 Ch.2 transmit data buffer empty
RDBF2 Ch.2 receive data buffer full
Setting
0x0 to 0xFF(0x7F)
0x0 to 0xFF(0x7F)
–
1 Transmitting 0 End
1 Error 0 Normal
1 Error 0 Normal
1 Error 0 Normal
1 Empty 0 Buffer full
1 Buffer full 0 Empty
1 Enabled 0 Disabled
1 Enabled 0 Disabled
1 With parity 0 No parity
1 Odd 0 Even
1 2 bits 0 1 bit
1 #SCLK1 0 Internal clock
SMD1[1:0] Transfer mode
1 1 8-bit asynchronous
1 0 7-bit asynchronous
0 1 Clock sync. Slave
0 0 Clock sync. Master
–
1 1/8 0 1/16
1 Inverted 0 Direct
1 Inverted 0 Direct
IRMD1[1:0] I/F mode
1 1 reserved
1 0 IrDA 1.0
0 1 reserved
0 0 General I/F
0x0 to 0xFF(0x7F)
0x0 to 0xFF(0x7F)
–
1 Transmitting 0 End
1 Error 0 Normal
1 Error 0 Normal
1 Error 0 Normal
1 Empty 0 Buffer full
1 Buffer full 0 Empty
EPSON
Init. R/W Remarks
X R/W 7-bit asynchronous
X mode does not use
X TXD17.
X
X
X
X
X
X R 7-bit asynchronous
X mode does not use
X RXD17 (fixed at 0).
X
X
X
X
X
– – 0 when being read.
0 R
0 R/W Reset by writing 0.
0 R/W Reset by writing 0.
0 R/W Reset by writing 0.
1 R
0 R
0 R/W
0 R/W
X R/W Valid only in
X R/W asynchronous mode.
X R/W
X R/W
X R/W
X
– – 0 when being read.
X R/W
X R/W Valid only in
X R/W asynchronous mode.
X R/W
X
X R/W
X
X
X
X
X
X
X
X R
X
X
X
X
X
X
X
– – 0 when being read.
0 R
0 R/W Reset by writing 0.
0 R/W Reset by writing 0.
0 R/W Reset by writing 0.
1 R
0 R
S1C33L03 PRODUCT PART