XRT72L56 Datasheet, PDF (110/486 Pages) Exar Corporation – SIX CHANNEL DS3/E3 FRAMER IC WITH HDLC CONTROLLER

XRT72L56 SIX CHANNEL DS3/E3 FRAMER IC WITH HDLC CONTROLLER
REV. P1.1.2
2.4.3.14 Receive E3 TTB-3 Register (E3, ITU-T
G.832)
RXE3 TTB-3 REGISTER (ADDRESS = 0X1F)
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
RxTTB-3
RO
RO
RO
RO
RO
0
0
0
0
0
BIT 2
RO
0
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PRELIMINARY
BIT 1
RO
0
BIT 0
RO
0
This Read-Only register contains the fourth (4th) byte
within the 16 byte Trail Trace Buffer Message, that
has been received from the Remote Terminal. This
register typical contains an ASCII character that is re-
quired for the E.164 numbering format.
NOTE: For more information on the use of this register,
please see Section 5.3.2.9.
2.4.3.15 Receive E3 TTB-4 Register (E3, ITU-T
G.832)
RXE3 TTB-4 REGISTER (ADDRESS = 0X20)
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
RxNR[7:0]
RO
RO
RO
RO
RO
RO
RO
RO
0
0
0
0
0
0
0
0
This Read-Only register contains the fifth (5th) byte
within the 16 byte Trail Trace Buffer Message, that
has been received from the Remote Terminal. This
register typical contains an ASCII character that is re-
quired for the E.164 numbering format.
NOTE: For more information on the use of this register,
please see Section 5.3.2.9.
2.4.3.16 Receive E3 TTB-5 Register (E3, ITU-T
G.832)
RXE3 TTB-5 REGISTER (ADDRESS = 0X21)
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
RxTTB-5
RO
RO
RO
RO
RO
RO
RO
RO
0
0
0
0
0
0
0
0
This Read-Only register contains the sixth (6th) byte
within the 16 byte Trail Trace Buffer Message, that
has been received from the Remote Terminal. This
register typical contains an ASCII character that is re-
quired for the E.164 numbering format.
NOTE: For more information on the use of this register,
please see Section 5.3.2.9.
2.4.3.17 Receive E3 TTB-6 Register (E3, ITU-T
G.832)
RXE3 TTB-6 REGISTER (ADDRESS = 0X22)
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
RxNR[7:0]
RO
RO
RO
RO
RO
RO
RO
RO
0
0
0
0
0
0
0
0
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