82V3352EDG IDT [Integrated Device Technology], 82V3352EDG Datasheet - Page 88
82V3352EDG
Manufacturer Part Number
82V3352EDG
Description
SYNCHRONOUS ETHERNET WAN PLL
Manufacturer
IDT [Integrated Device Technology]
Datasheet
1.82V3352EDG.pdf
(125 pages)
- Current page: 88 of 125
- Download datasheet (2Mb)
T0_DPLL_LOCKED_BW_DAMPING_CNFG - T0 DPLL Locked Bandwidth & Damping Factor Configuration
T0_BW_OVERSHOOT_CNFG - T0 DPLL Bandwidth Overshoot Configuration
Programming Information
IDT82V3352
Address: 58H
Type: Read / Write
Default Value: 01101111
Address: 59H
Type: Read / Write
Default Value: 1XXX1XXX
T0_DPLL_LOCK
ED_DAMPING2
AUTO_BW_SEL
7 - 5
4 - 0
6 - 4
2 - 0
Bit
Bit
7
3
7
7
T0_DPLL_LOCKED_DAMPING[2:0]
AUTO_BW_SEL
T0_DPLL_LOCKED_BW[4:0]
T0_DPLL_LOCK
ED_DAMPING1
T0_LIMT
Name
-
-
6
6
-
Name
This bit determines whether starting or acquisition bandwidth / damping factor is used for T0 DPLL.
0: The starting and acquisition bandwidths / damping factors are not used. Only the locked bandwidth / damping factor is used
regardless of the T0 DPLL locking stage.
1: The starting, acquisition or locked bandwidth / damping factor is used automatically depending on different T0 DPLL locking
stages. (default)
Reserved.
This bit determines whether the integral path value is frozen when the T0 DPLL hard limit is reached.
0: Not frozen.
1: Frozen. It will minimize the subsequent overshoot when T0 DPLL is pulling in. (default)
Reserved.
T0_DPLL_LOCK
ED_DAMPING0
5
5
-
These bits set the locked 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 locked bandwidth for T0 DPLL.
00XXX: Reserved.
01000: 0.1 Hz.
01001: 0.3 Hz.
01010: 0.6 Hz.
01011: 1.2 Hz. (default)
01100: 2.5 Hz.
01101: 4 Hz.
01110: 8 Hz.
01111: 18 Hz.
10000: 35 Hz.
10001: 70 Hz.
10010: 560 Hz.
10011 ~ 11111: Reserved.
T0_DPLL_LOC
KED_BW4
4
4
-
88
T0_DPLL_LOC
KED_BW3
T0_LIMT
3
3
Description
Description
T0_DPLL_LOC
KED_BW2
2
2
-
SYNCHRONOUS ETHERNET WAN PLL
T0_DPLL_LOC
KED_BW1
1
1
-
T0_DPLL_LOC
March 23, 2009
KED_BW0
0
0
-
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