DS2154
TCR1: TRANSMIT CONTROL REGISTER 1 (Address=12 Hex)
(MSB)
(LSB)
ODF
TFPT
T16S
TUA1
TSiS
TSA1
TSM
TSIO
SYMBOL
POSITION NAME AND DESCRIPTION
ODF
TCR1.7
TCR1.6
Output Data Format.
0=bipolar data at TPOSO and TNEGO
1=NRZ data at TPOSO; TNEGO=0
TFPT
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
T16S
TUA1
TSiS
TCR1.5
TCR1.4
TCR1.3
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)
TSA1
TSM
TCR1.2
TCR1.1
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)
TSIO
TCR1.0
TSYNC I/O Select.
0=TSYNC is an input
1=TSYNC is an output
NOTE:
See Figure 13-11 for more details about how the Transmit Control Registers affect the operation of the
DS2154.
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DALLAS [ DALLAS SEMICONDUCTOR ]
