XRT7250 Datasheet, PDF (94/463 Pages) Exar Corporation – DS3/E3 FRAMER IC

áç
DS3/E3 FRAMER IC
XRT7250
2.3.3.15 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
RxNR[7:0]
RO
RO
RO
RO
RO
0
0
0
0
0
BIT 2
RO
0
BIT 1
RO
0
REV. 1.1.1
BIT 0
RO
0
This Read-Only register contains the fifth (5th) byte
within the 16 byte Trail Trace Buffer Message, that
has been received from the Far-End 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.
2.3.3.16 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 Far-End 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.
2.3.3.17 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
This Read-Only register contains the seventh (7th)
byte within the 16 byte Trail Trace Buffer Message,
that has been received from the Far-End Terminal.
This register typical contains an ASCII character that
is required for the E.164 numbering format.
NOTE: For more information on the use of this register,
please see Section 5.3.2.9.
2.3.3.18 Receive E3 TTB-7 Register (E3, ITU-T
G.832)
RXE3 TTB-7 REGISTER (ADDRESS = 0X23)
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
RxTTB-7
RO
RO
RO
RO
RO
RO
RO
RO
0
0
0
0
0
0
0
0
75