Datasheet

DS21354/DS21554 3.3V/5V E1 Single-Chip Transceivers
35 of 124
TCR2: TRANSMIT CONTROL REGISTER 2 (Address = 13 Hex)
(MSB) (LSB)
Sa8S Sa7S Sa6S Sa5S Sa4S ODM AEBE PF
SYMBOL POSITION NAME AND DESCRIPTION
Sa8S TCR2.7
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.
Sa7S TCR2.6
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.
Sa6S TCR2.5
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.
Sa5S TCR2.4
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.
Sa4S TCR2.3
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.
ODM TCR2.2
Output Data Mode.
0 = pulses at TPOSO and TNEGO are one full TCLKO period wide
1 = pulses at TPOSO and TNEGO are 1/2 TCLKO period wide
AEBE TCR2.1
Automatic E–Bit Enable.
0 = E–bits not automatically set in the transmit direction
1 = E–bits automatically set in the transmit direction
PF TCR2.0
Function of RLOS/LOTC Pin.
0 = Receive Loss of Sync (RLOS)
1 = Loss of Transmit Clock (LOTC)