DS21FF44 Maxim Integrated Products, DS21FF44 Datasheet - Page 35
![IC FRAMER E1 4X4 16CH 300-BGA](/photos/6/82/68293/300-bga_21-0304_sml.jpg)
DS21FF44
Manufacturer Part Number
DS21FF44
Description
IC FRAMER E1 4X4 16CH 300-BGA
Manufacturer
Maxim Integrated Products
Datasheet
1.DS21FT44N.pdf
(117 pages)
Specifications of DS21FF44
Controller Type
E1 Framer
Interface
Parallel/Serial
Voltage - Supply
2.97 V ~ 3.63 V
Current - Supply
300mA
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
300-BGA
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
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TCR1: TRANSMIT CONTROL REGISTER 1 (Address = 12 Hex)
Note: See Figure 22–15 for more details about how the Transmit Control Registers affect the operation
of the DS21Q44.
(MSB)
ODF
SYMBOL
TUA1
TFPT
TSA1
T16S
TSIO
TSM
ODF
TSiS
TFPT
POSITION
TCR1.6
TCR1.3
TCR1.2
TCR1.0
TCR1.7
TCR1.5
TCR1.4
CR1.1
T16S
Output Data Format
0 = bipolar data at TPOS and TNEG
1 = NRZ data at TPOS; TNEG = 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 Ones
0 = transmit data normally
1 = transmit an unframed all one’s code at TPOS and TNEG
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 Ones
0 = normal operation
1 = force timeslot 16 in every frame to all ones
TSYNC Mode Select
0 = frame mode (see the timing in Section 22)
1 = CAS and CRC4 multiframe mode (see the timing in
Section 22)
TSYNC I/O Select
0 = TSYNC is an input
1 = TSYNC is an output
TUA1
35 of 117
TSiS
NAME AND DESCRIPTION
TSA1
TSM
(LSB)
TSIO
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