DS21FF44 Maxim Integrated Products, DS21FF44 Datasheet - Page 80
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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TDC1: TRANSMIT HDLC DS0 CONTROL REGISTER 1 (Address = BA Hex)
(MSB)
THE
SYMBOL
TDS0M
TSaDS
THE
TD4
TD3
TD2
TD1
TD0
TSaDS
POSITION
TDC1.7
TDC1.6
TDC1.5
TDC1.4
TDC1.3
TDC1.2
TDC1.1
TDC1.0
TDS0M
Transmit HDLC Enable
0 = disable HDLC controller (no data inserted by HDLC
controller into the transmit data stream)
1 = enable HDLC controller to allow insertion of HDLC data
into either the Sa position or multiple DS0 channels as defined
by TDC1 (see bit definitions below)
Transmit Sa Bit/DS0 Select. This bit is ignored if TDC1.7 is
set to zero.
0 = route Sa bits from the HDLC controller. TD0 to TD4
defines which Sa bits are to be routed. TD4 corresponds to
Sa4, TD3 to Sa5, TD2 to Sa6, TD1 to Sa7, and TD0 to Sa8.
1 = route DS0 channels from the HDLC controller. TDC1.5 is
used to determine how the DS0 channels are selected.
DS0 Selection Mode
0 = use the TD0 to TD4 bits to select which single DS0
channel to use
1 = use the TCHBLK control registers to select which DS0
channels to use
DS0 Channel Select Bit 4. MSB of the DS0 channel select.
DS0 Channel Select Bit 3
DS0 Channel Select Bit 2
DS0 Channel Select Bit 1
DS0 Channel Select Bit 0. LSB of the DS0 channel select.
TD4
80 of 117
TD3
NAME AND DESCRIPTION
TD2
TD1
(LSB)
TD0
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