TDA18271HD NXP Semiconductors, TDA18271HD Datasheet - Page 35

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

NXP Semiconductors
TDA18271HD_3
Product data sheet
9.4.10 Flowchart TDA18271MSPOR
9.4.11 Flowchart TDA18271RFTrackingFiltersCorrection
Table 35.
Table 36.
Function
Description
Input
Table
Output
Function
Description find the Cprog corresponding to the
Input
Table
Output
Fig 15. Flowchart TDA18271MSPOR
Actions
Power Up Detector 1
Turn AGC1 loop ON
Set AGC1_GAIN to 6 dB
Set AGC2_GAIN to 6 dB
POR mode
1.5 MHz low-pass filter disabled
TDA18271MSPOR
TDA18271RFTrackingFiltersCorrection
Description
programmed central frequency
freq_input
freq_input, TMVALUE_RFCAL, MS
RF_BAND_map,
RF_CAL_DC_OVER_DT_map,
RF_CAL_map
-
Description
(POR) mode
MS
-
-
master or slave tuner goes to Power-On Reset
TDA18271MSPOR
TDA18271MSPOR
Rev. 03 — 11 September 2008
Start
End
Internal table
PD_AGC1_DET = 0
AGC1_LOOP_OFF = 0
AGC1_GAIN = 0
AGC2_GAIN = 3h
SM = 1, SM_LT = 0,
SM_XT = 0
FORCELP_FC2_EN = 0,
LP_FC = 0
Reference
Table 45 “RF_BAND_map”
Table 50 “RF_CAL_DC_OVER_DT_map”
Table 51 “RF_CAL_map”
Reference
TDA18271HD
www.DataSheet4U.com
I 2 C-bus
EB12
-
EB18
-
EP3
EB21 ... EB23
© NXP B.V. 2008. All rights reserved.
Silicon Tuner IC
MS
001aah051
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