TDA5231XT Infineon Technologies, TDA5231XT Datasheet - Page 96
TDA5231XT
Manufacturer Part Number
TDA5231XT
Description
Manufacturer
Infineon Technologies
Datasheet
1.TDA5231XT.pdf
(186 pages)
Specifications of TDA5231XT
Operating Temperature (min)
-40C
Operating Temperature (max)
105C
Operating Temperature Classification
Industrial
Product Depth (mm)
4.4mm
Product Length (mm)
9.7mm
Lead Free Status / Rohs Status
Compliant
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TVWIN
The PLL unlocks if the reference signal is lost for more than the time defined in the
TVWIN register. During the TSI GAP (See TSI GAP Mode) the PLL and the TVWIN are
frozen.
The TVWIN time is the time that DigRX should stay locked without incoming signal
edges detected. The time resolution is T/16.
TVWIN is calculated as follows:
CV is the number of code violations in a block.
This calculation is done by IAF TDA523x Configuration Tool, if the number of CV’s
is entered.
Dual:
ADDR:
Dual:
ADDR:
Data Sheet
7:6
3:2
1:0
7:6
5:4
Bit R/W Description
Bit R/W Description
5
4
ACDR0
W
W
W
W
W
ACDR1
W
W
0x73
0x74
CV Window Length
PDSR: Peak Detector slew rate
use 11b
PHDEN(1): Phase detector error (PDE) outer tolerance range
use 1b
PHDEN(0): Phase detector error (PDE) inner tolerance range
use 0b
PVAL: P Value
use 01b
PSAT: P Value Saturation
use 10b
CORSAT: Correlator output value (Timing extrapolation unit)
use 01b
LFSAT: Loop Filter Saturation
use 10b
and
and
and BCDR0:
and BCDR1:
0x93
0x94
TVWIN
Clock recovery P parameters
Clock recovery I parameters
=
round 8
(
(
92
+
16 CV
⋅
+
8
) 1,25
⋅
Functional Description
)
Reset Value: 0x00
Reset Value: 0x00
Version 4.0, 2007-06-01
TDA523x
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