Manual

DS2143/DS2143Q
031397 10/40
TSA1 TCR1.2 Transmit Signaling All Ones.
0 = normal operation
1 = force timeslot 16 in every frame to all ones
TSM TCR1.1 TSYNC Mode Select.
0 = frame mode (see the timing in Section 13)
1 = CAS and CRC4 multiframe mode (see the timing in Section 13)
TSIO TCR1.0 TSYNC I/O Select.
0 = TSYNC is an input
1 = TSYNC is an output
TCR2: TRANSMIT CONTROL REGISTER 2 (Address=13 Hex)
(MSB) (LSB)
Sa8S
Sa7S Sa6S Sa5S Sa4S AEBE P34F
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.
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.
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.
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.
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.
TCR2.2 Not Assigned. Should be set to zero when written to.
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
P34F TCR2.0 Function of Pin 34.
0 = Receive Loss of Sync (RLOS)
1 = Loss of Transmit Clock (LOTC)
CCR: COMMON CONTROL REGISTER (Address=14 Hex)
(MSB) (LSB)
LLB
THDB3 TG802 TCRC4 RSM RHDB3 RG802 RCRC4
SYMBOL POSITION NAME AND DESCRIPTION
LLB CCR.7 Local Loopback.
0 = loopback disabled
1 = loopback enabled
THDB3 CCR.6 Transmit HDB3 Enable.
0 = HDB3 disabled
1 = HDB3 enabled