
DS21455/DS21458 Quad T1/E1/J1 Transceivers
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ADDRESS
REGISTER NAME
REGISTER
ABBREVIATION
H1RCS3
H1RCS4
H1RTSBS
H1TCS1
H1TCS2
H1TCS3
H1TCS4
H1TTSBS
H1RPBA
H1TF
H1RF
H1TFBA
H2TC
H2FC
H2RCS1
H2RCS2
H2RCS3
H2RCS4
H2RTSBS
H2TCS1
H2TCS2
H2TCS3
H2TCS4
H2TTSBS
H2RPBA
H2TF
H2RF
H2TFBA
ESIBCR1
ESIBCR2
ESIB1
ESIB2
ESIB3
ESIB4
IBCC
TCD1
TCD2
RUPCD1
RUPCD2
RDNCD1
RDNCD2
RSCC
RSCD1
RSCD2
RFDL
TFDL
RFDLM1
RFDLM2
—
IBOC
RAF
RNAF
RSiAF
PAGE
94
95
96
97
98
99
9A
9B
9C
9D
9E
9F
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
AA
AB
AC
AD
AE
AF
B0
B1
B2
B3
B4
B5
B6
B7
B8
B9
BA
BB
BC
BD
BE
BF
C0
C1
C2
C3
C4
C5
C6
C7
C8
HDLC #1 Receive Channel Select 3
HDLC #1 Receive Channel Select 4
HDLC #1 Receive Time Slot Bits/Sa Bits Select
HDLC #1 Transmit Channel Select1
HDLC #1 Transmit Channel Select 2
HDLC #1 Transmit Channel Select 3
HDLC #1 Transmit Channel Select 4
HDLC #1 Transmit Time Slot Bits/Sa Bits Select
HDLC #1 Receive Packet Bytes Available
HDLC #1 Transmit FIFO
HDLC #1 Receive FIFO
HDLC #1 Transmit FIFO Buffer Available
HDLC #2 Transmit Control
HDLC #2 FIFO Control
HDLC #2 Receive Channel Select 1
HDLC #2 Receive Channel Select 2
HDLC #2 Receive Channel Select 3
HDLC #2 Receive Channel Select 4
HDLC #2 Receive Time Slot Bits/Sa Bits Select
HDLC #2 Transmit Channel Select 1
HDLC #2 Transmit Channel Select 2
HDLC #2 Transmit Channel Select 3
HDLC #2 Transmit Channel Select 4
HDLC #2 Transmit Time Slot Bits/Sa Bits Select
HDLC #2 Receive Packet Bytes Available
HDLC #2 Transmit FIFO
HDLC #2 Receive FIFO
HDLC #2 Transmit FIFO Buffer Available
Extend System Information Bus Control Register 1
Extend System Information Bus Control Register 2
Extend System Information Bus Register 1
Extend System Information Bus Register 2
Extend System Information Bus Register 3
Extend System Information Bus Register 4
In-Band Code Control Register
Transmit Code Definition Register 1
Transmit Code Definition Register 2
Receive Up Code Definition Register 1
Receive Up Code Definition Register 2
Receive Down Code Definition Register 1
Receive Down Code Definition Register 2
In-Band Receive Spare Control Register
Receive Spare Code Definition Register 1
Receive Spare Code Definition Register 2
Receive FDL Register
Transmit FDL Register
Receive FDL Match Register 1
Receive FDL Match Register 2
Unused. Must be set = 00h for proper operation
Interleave Bus Operation Control Register
Receive Align Frame Register
Receive Nonalign Frame Register
Receive Si Align Frame
146
146
147
148
148
148
148
149
153
154
154
153
143
145
146
146
146
146
147
148
148
148
148
149
153
154
154
153
205
206
207
207
207
207
180
181
181
182
182
183
184
184
185
185
156
157
156
156
—
200
128
128
130