TDA18271HD/C2.557 NXP Semiconductors, TDA18271HD/C2.557 Datasheet - Page 31

• Manufacturer Part Number: TDA18271HD/C2.557
• Manufacturer: NXP Semiconductors

Specifications of TDA18271HD/C2.557

• Lead Free Status / Rohs Status: Compliant

NXP Semiconductors
TDA18271HD_4
Product data sheet
9.4.7 Flowchart TDA18271PowerScanInit
9.4.8 Flowchart TDA18271PowerScan
Table 32.
Frequency unit during the algorithm in kHz.
Variable count homogeneous to kHz.
Table 33.
Function
Description
Input
Table
Output
Function
Description
Input
Table
Output
Fig 12. Flowchart TDA18271PowerScanInit
Actions
Set standard mode to digital mode
Tuner registers update
Set AGC1_GAIN to 6 dB
Set AGC2_GAIN to 15 dB
1.5 MHz low-pass filter
Tuner register update
TDA18271PowerScanInit
TDA18271PowerScan
TDA18271PowerScanInit
TDA18271PowerScanInit
Description
fixed settings of the TDA18271PowerScan
MS
-
-
Description
find an interference-free calibration frequency
freq_input, MS
RF_BAND_map, RF_CAL_map,
CID_Target_map
bcal, freq_output
Start
End
Rev. 04 — 19 May 2009
Internal table
STD = 12,
IF_LEVEL = 0
CAL_MODE = 0
-
AGC1_GAIN = 0
AGC2_GAIN = 0
FORCELP_FC2_EN = 1,
LP_FC = 1
-
Reference
Reference
Table 45 “RF_BAND_map”
Table 51 “RF_CAL_map”
Table 54 “CID_Target_map”
TDA18271HD
I 2 C-bus
-
EP3...EP4
EB18
-
-
EB21...EB23
© NXP B.V. 2009. All rights reserved.
Silicon Tuner IC
MS
001aah048
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