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APPENDIX: I/O MAP
S1C33210 FUNCTION PART EPSON B-APPENDIX-45
NameAddressRegister name Bit Function Setting Init. R/W Remarks
–
ERES
RESINT
–
RRXINT
RTXINT
D15–8
D7
D6
D5–2
D1
D0
–
HDLC error reset
HDLC E/S interrupt reset
–
HDLC receive interrupt reset
HDLC transmit interrupt reset
–
–
–
0
0
–
0
0
–
W
W
–
W
W
0 when being read.
0 when being read.
0200302
(HW)
1 Reset 0 Ignored
1 Reset 0 Ignored
1 Reset 0 Ignored
1 Reset 0 Ignored
HDLC interrupt
control register
–
ABRTIES
TXUEIES
HUNTIES
IDLDIES
–
D15–8
D7
D6
D5
D4
D3–0
–
Enable Abort interrupt setting
Enable TXUDR interrupt setting
Enable Hunt interrupt setting
Enable idle detection interrupt setting
–
–
–
–
0
0
0
0
–
–
R/W
R/W
R/W
R/W
–
0 when being read.
Writes of "0" are ignored
Writes of "0" are ignored
Writes of "0" are ignored
Writes of "0" are ignored
0 when being read.
0200304
(HW)
1
Enable
0
Disabled
1
Enable
0
Disabled
1
Enable
0
Disabled
1
Enable
0
Disabled
HDLC interrupt
enable settings
register
–
ABRTIEC
TXUEIEC
HUNTIEC
IDLDIEC
–
D15–8
D7
D6
D5
D4
D3–0
–
Clear Abort interrupt enable
Clear TXUDR interrupt enable
Clear Hunt interrupt enable
Clear idle detection interrupt
enable
–
–
–
–
0
0
0
0
–
1
1
1
1
0
0
0
0
–
R/W
R/W
R/W
R/W
–
0 when being read.
0 when being read.
0200306
(HW)
Clear interrupt
enable
Clear interrupt
enable
Clear interrupt
enable
Clear interrupt
enable
Ignored
Ignored
Ignored
Ignored
HDLC clear
interrupt
enable register
–
RXENS
TXENS
–
RXIES
TXIES
D15–8
D7
D6
D5–2
D1
D0
–
HDLC enable receive setting
HDLC enable transmit setting
–
HDLC enable receive interrupt setting
HDLC enable transmit interrupt setting
–
–
–
0
0
–
0
0
–
R/W
R/W
–
R/W
R/W
0 when being read.
Writes of "0" are ignored
Writes of "0" are ignored
0 when being read.
Writes of "0" are ignored
Writes of "0" are ignored
0200308
(HW)
1 Enable 0 Disable
1 Enable 0 Disable
1
Enable
0
Disabled
1
Enable
0
Disabled
HDLC transfer
settings
register
–
RXENC
TXENC
–
RXIEC
TXIEC
D15–8
D7
D6
D5–2
D1
D0
–
HDLC clear receive enable
HDLC clear transmit enable
–
HDLC clear receive interrupt enable
HDLC clear transmit interrupt enable
–
–
–
0
0
–
0
0
–
R/W
R/W
–
R/W
R/W
0 when being read.
0 when being read.
020030A
(HW)
1
Clear enable
0 Ignored
1
Clear enable
0 Ignored
1
Clear enable
0 Ignored
1
Clear enable
0 Ignored
HDLC cancel
transfer
register
–
RXADD7
RXADD6
RXADD5
RXADD4
RXADD3
RXADD2
RXADD1
RXADD0
D15–8
D7
D6
D5
D4
D3
D2
D1
D0
–
HDLC receive address
RXADD7 = MSB
RXADD0 = LSB
–
0
0
0
0
0
0
0
0
–
R/W
0 when being read.020030C
(HW)
–
0x00 to 0xFF
HDLC receive
address
register
–
ADDCE
ADDCM
IDLDE
SHFDE
–
D15–8
D7
D6
D5
D4
D3–0
–
HDLC enable address compare
HDLC address compare mode
HDLC enable idle detection
HDLC enable short frame detection
–
–
–
–
0
0
0
0
–
–
R/W
R/W
R/W
R/W
–
0 when being read.
0 when being read.
020030E
(HW)
1 Enable 0 Disable
1 Half 0 Full
1 Enable 0 Disable
1 Enable 0 Disable
HDLC receive
operation
settings
registe
r
–
RXFTH2
RXFTH1
RXFTH0
D15–3
D2
D1
D0
–
Receive queue interrupt level
–
0
0
0
–
R/W
R/W
R/W
0 when being read.0200310
(HW)
1
1
1
1
0
0
0
0
1
1
0
0
1
1
0
0
1
0
1
0
1
0
1
0
RXFTH[2:0] Level
8 (Full)
7
6
5
4 (Half)
3
2
1
(receive
character available)
HDLC receive
queue interrupt
threshold
register
–