DS21458LDK Maxim Integrated, DS21458LDK Datasheet - Page 66
DS21458LDK
Manufacturer Part Number
DS21458LDK
Description
Network Controller & Processor ICs
Manufacturer
Maxim Integrated
Datasheet
1.DS21458LDK.pdf
(269 pages)
- Current page: 66 of 269
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Register Name:
Register Description:
Register Address:
Bit #
Name
Default
Bit 0/Transmit CRC-4 Enable (TCRC4).
Bit 1/Transmit G.802 Enable (TG802). See the Functional Timing Diagrams section for details.
Bit 2/Transmit HDB3 Enable (THDB3).
Bit 3/Transmit Signaling All Ones (TSA1).
Bit 4/Transmit International Bit Select (TSiS).
Bit 5/Transmit Unframed All Ones (TUA1).
Bit 6/Transmit Time Slot 16 Data Select (T16S). See the Transmit Signaling section for details.
Bit 7/Transmit Time Slot 0 Pass Through (TFPT).
0 = CRC-4 disabled
1 = CRC-4 enabled
0 = do not force TCHBLK high during bit 1 of time slot 26
1 = force TCHBLK high during bit 1 of time slot 26
0 = HDB3 disabled
1 = HDB3 enabled
0 = normal operation
1 = force time slot 16 in every frame to all ones
0 = sample Si bits at TSER pin
1 = source Si bits from TAF and TNAF registers (in this mode, E1TCR1.7 must be set to zero)
0 = transmit data normally
1 = transmit an unframed all one’s code at TPOSO and TNEGO
0 = time slot 16 determined by the SSIEx registers and the THSCS function in the PCPR register
1 = source time slot 16 from TS1 to TS16 registers
0 = FAS bits/Sa bits/Remote Alarm sourced internally from the TAF and TNAF registers
1 = FAS bits/Sa bits/Remote Alarm sourced from TSER
TFPT
7
0
T16S
E1TCR1
E1 Transmit Control Register 1
35h
6
0
TUA1
5
0
TSiS
4
0
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TSA1
3
0
DS21455/DS21458 Quad T1/E1/J1 Transceivers
THDB3
2
0
TG802
1
0
TCRC4
0
0
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