82V3380PFG IDT, Integrated Device Technology Inc, 82V3380PFG Datasheet - Page 126
82V3380PFG
Manufacturer Part Number
82V3380PFG
Description
Manufacturer
IDT, Integrated Device Technology Inc
Datasheet
1.82V3380PFG.pdf
(175 pages)
Specifications of 82V3380PFG
Function
Wan PLL
Operating Temperature (max)
85C
Operating Temperature (min)
-40C
Package Type
TQFP
Pin Count
100
Mounting
Surface Mount
Lead Free Status / RoHS Status
Compliant
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T0_DPLL_ACQ_BW_DAMPING_CNFG - T0 DPLL Acquisition Bandwidth & Damping Factor Configuration
Programming Information
IDT82V3380
Address: 57H
Type: Read / Write
Default Value: 01101111
T0_DPLL_ACQ
_DAMPING2
7 - 5
4 - 0
Bit
7
T0_DPLL_ACQ_DAMPING[2:0]
T0_DPLL_ACQ_BW[4:0]
T0_DPLL_ACQ
_DAMPING1
6
Name
T0_DPLL_ACQ
_DAMPING0
5
These bits set the acquisition damping factor for T0 DPLL.
000: Reserved.
001: 1.2.
010: 2.5.
011: 5. (default)
100: 10.
101: 20.
110, 111: Reserved.
These bits set the acquisition bandwidth for T0 DPLL.
00000: 0.5 mHz.
00001: 1 mHz.
00010: 2 mHz.
00011: 4 mHz.
00100: 8 mHz.
00101: 15 mHz.
00110: 30 mHz.
00111: 60 mHz.
01000: 0.1 Hz.
01001: 0.3 Hz.
01010: 0.6 Hz.
01011: 1.2 Hz.
01100: 2.5 Hz.
01101: 4 Hz.
01110: 8 Hz.
01111: 18 Hz. (default)
10000: 35 Hz.
10001: 70 Hz.
10010: 560 Hz.
10011 ~ 11111: Reserved.
T0_DPLL_ACQ
_BW4
4
126
T0_DPLL_ACQ
_BW3
3
Description
T0_DPLL_ACQ
_BW2
2
SYNCHRONOUS ETHERNET WAN PLL
T0_DPLL_ACQ
_BW1
1
T0_DPLL_ACQ
May 19, 2009
_BW0
0
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