TDA18271HD NXP Semiconductors, TDA18271HD Datasheet - Page 31

• Manufacturer Part Number: TDA18271HD
• Description: Silicon Tuner IC
• Manufacturer: NXP Semiconductors

NXP Semiconductors
TDA18271HD_3
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
Description
MS
-
-
TDA18271PowerScanInit
TDA18271PowerScanInit
Description
freq_input, MS
RF_BAND_map, RF_CAL_map,
CID_Target_map
bcal, freq_output
fixed settings of the TDA18271PowerScan
find an interference-free calibration frequency
Rev. 03 — 11 September 2008
Start
End
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
www.DataSheet4U.com
I 2 C-bus
-
EP3...EP4
EB18
-
-
EB21...EB23
© NXP B.V. 2008. All rights reserved.
Silicon Tuner IC
MS
001aah048
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