ds2154lnd2 Maxim Integrated Products, Inc., ds2154lnd2 Datasheet - Page 23

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ds2154lnd2

Manufacturer Part Number
ds2154lnd2
Description
Ds2154 Enhanced E1 Single Chip Transceiver
Manufacturer
Maxim Integrated Products, Inc.
Datasheet
TCR1: TRANSMIT CONTROL REGISTER 1 (Address = 12 Hex)
Note: See
(MSB)
ODF
SYMBOL
TUA1
TFPT
TSA1
TSIO
T16S
TSM
ODF
TSiS
Figure 14-11
TFPT
for more details about how the Transmit Control Registers affect the operation of the DS2154.
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 Time Slot 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 Time Slot 16 Data Select.
0 = sample time slot 16 at TSER pin
1 = source time slot 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 time slot 16 in every frame to all 1s
TSYNC Mode Select.
0 = frame mode (see the timing in Section 14)
1 = CAS and CRC4 multiframe mode (see the timing in Section
14)
TSYNC I/O Select.
0 = TSYNC is an input
1 = TSYNC is an output
TUA1
23 of 87
TSiS
TSA1
TSM
TSIO
(LSB)

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