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DS33R11 Ethernet Mapper with Integrated T1/E1/J1 Transceiver
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Register Name:
TR.E1TCR1
Register Description:
E1 Transmit Control Register 1
Register Address:
35h
Bit # 7 6 5 4 3 2 1 0
Name TFPT T16S TUA1 TSiS TSA1 THDB3 TG802 TCRC4
Default 0 0 0 0 0 0 0 0
Bit 7: Transmit Time Slot 0 Pass-Through (TFPT)
0 = FAS bits/Sa bits/remote alarm sourced internally from the TR.TAF and TR.TNAF registers
1 = FAS bits/Sa bits/remote alarm sourced from TSERI
Bit 6: Transmit Time Slot 16 Data Select (T16S)
0 = time slot 16 determined by the TR.SSIEx registers and the THSCS function in the TR.PCPR register
1 = source time slot 16 from TR.TS1 to TR.TS16 registers
Bit 5: Transmit Unframed All Ones (TUA1)
0 = transmit data normally
1 = transmit an unframed all-ones code at TPOSO and TNEGO
Bit 4: Transmit International Bit Select (TSiS)
0 = sample Si bits at TSERI pin
1 = source Si bits from TR.TAF and TR.TNAF registers (in this mode, TR.E1TCR1.7 must be set to 0)
Bit 3: Transmit Signaling All Ones (TSA1)
0 = normal operation
1 = force time slot 16 in every frame to all ones
Bit 2: Transmit HDB3 Enable (THDB3)
0 = HDB3 disabled
1 = HDB3 enabled
Bit 1: Transmit G.802 Enable (TG802). See Section
10.10 for details.
0 = do not force TCHBLK high during bit 1 of time slot 26
1 = force TCHBLK high during bit 1 of time slot 26
Bit 0: Transmit CRC4 Enable (TCRC4)
0 = CRC4 disabled
1 = CRC4 enabled