DS2154 Dallas Semiconducotr, DS2154 Datasheet - Page 24

• Manufacturer Part Number: DS2154
• Description: Enhanced E1 Single Chip Transceiver
• Manufacturer: Dallas Semiconducotr

TCR1: TRANSMIT CONTROL REGISTER 1 (Address=12 Hex)
NOTE:
See Figure 13-11 for more details about how the Transmit Control Registers affect the operation of the
DS2154.
(MSB)
ODF
SYMBOL
TUA1
TFPT
TSA1
TSIO
T16S
TSiS
TSM
ODF
TFPT
POSITION
TCR1.7
TCR1.6
TCR1.5
TCR1.4
TCR1.3
TCR1.2
TCR1.1
TCR1.0
T16S
NAME AND DESCRIPTION
Output Data Format.
0=bipolar data at TPOSO and TNEGO
1=NRZ data at TPOSO; TNEGO=0
Transmit Timeslot 0 Pass Through.
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
Transmit Timeslot 16 Data Select.
0=sample timeslot 16 at TSER pin
1=source timeslot 16 from TS0 to TS15 registers
Transmit Unframed All 1s.
0=transmit data normally
1=transmit an unframed all 1’s code at TPOSO and TNEGO
Transmit International Bit Select.
0=sample Si bits at TSER pin
1=source Si bits from TAF and TNAF registers (in this mode,
TCR1.6 must be set to 0)
Transmit Signaling All 1s.
0=normal operation
1=force timeslot 16 in every frame to all 1s
TSYNC Mode Select.
0=frame mode (see the timing in Section 13)
1=CAS and CRC4 multiframe mode (see the timing in Section
13)
TSYNC I/O Select.
0=TSYNC is an input
1=TSYNC is an output
TUA1
24 of 87
TSiS
TSA1
TSM
TSIO
(LSB)
DS2154