DS21354/DS21554 3.3V/5V E1 Single-Chip Transceivers
TCR2: TRANSMIT CONTROL REGISTER 2 (Address = 13 Hex)
(MSB)
(LSB)
Sa8S
Sa7S
Sa6S
Sa5S
Sa4S
ODM
AEBE
PF
SYMBOL POSITION
NAME AND DESCRIPTION
Sa8 Bit Select. Set to one to source the Sa8 bit from the TLINK pin; set
to zero to not source the Sa8 bit. See Section 18.2 for timing details.
Sa7 Bit Select. Set to one to source the Sa7 bit from the TLINK pin; set
to zero to not source the Sa7 bit. See Section 18.2 for timing details.
Sa6 Bit Select. Set to one to source the Sa6 bit from the TLINK pin; set
to zero to not source the Sa6 bit. See Section 18.2 for timing details.
Sa5 Bit Select. Set to one to source the Sa5 bit from the TLINK pin; set
to zero to not source the Sa5 bit. See Section 18.2 for timing details.
Sa4 Bit Select. Set to one to source the Sa4 bit from the TLINK pin; set
to zero to not source the Sa4 bit. See Section 18.2 for timing details.
Output Data Mode.
Sa8S
Sa7S
Sa6S
Sa5S
Sa4S
TCR2.7
TCR2.6
TCR2.5
TCR2.4
TCR2.3
ODM
AEBE
PF
TCR2.2
TCR2.1
TCR2.0
0 = pulses at TPOSO and TNEGO are one full TCLKO period wide
1 = pulses at TPOSO and TNEGO are 1/2 TCLKO period wide
Automatic E–Bit Enable.
0 = E–bits not automatically set in the transmit direction
1 = E–bits automatically set in the transmit direction
Function of RLOS/LOTC Pin.
0 = Receive Loss of Sync (RLOS)
1 = Loss of Transmit Clock (LOTC)
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