82V2044EPFG8 IDT, Integrated Device Technology Inc, 82V2044EPFG8 Datasheet - Page 51
82V2044EPFG8
Manufacturer Part Number
82V2044EPFG8
Description
Manufacturer
IDT, Integrated Device Technology Inc
Datasheet
1.82V2044EPFG8.pdf
(73 pages)
Specifications of 82V2044EPFG8
Screening Level
Industrial
Mounting
Surface Mount
Package Type
TQFP
Operating Temperature (min)
-40C
Operating Temperature (max)
85C
Lead Free Status / RoHS Status
Compliant
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QUAD CHANNEL T1/E1/J1 SHORT HAUL LINE INTERFACE UNIT
4.2.10 TRANSMIT AND RECEIVE TERMINATION REGISTER
Table-51 TERM: Transmit and Receive Termination Configuration Register
T_TERM[2:0]
R_TERM[2:0]
Symbol
-
(R/W, Address = 1AH, 5AH,9AH,DAH)
7-6
5-3
2-0
Bit
Default
000
000
00
These bits select the internal termination for transmit line impedance matching.
Reserved
= 000: internal 75 Ω impedance matching
= 001: internal 120 Ω impedance matching
= 010: internal 100 Ω impedance matching
= 011: internal 110 Ω impedance matching
=1xx: Selects external impedance matching resistors for E1 mode only. T1/J1 does not require external imped-
These bits select the internal termination for receive line impedance matching.
= 000: internal 75 Ω impedance matching
= 001: internal 120 Ω impedance matching
= 010: internal 100 Ω impedance matching
= 011: internal 110 Ω impedance matching
= 1xx: Selects external impedance matching resistors (see Table-11).
ance resistors (see Table-10).
51
Description
TEMPERATURE RANGES
INDUSTRIAL
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