TDA18271HD_09 Datasheet, PDF (35/70 Pages) NXP Semiconductors – Silicon Tuner IC

NXP Semiconductors
TDA18271HD
Silicon Tuner IC
9.4.10 Flowchart TDA18271MSPOR
Table 35. TDA18271MSPOR
Function
Description
Description master or slave tuner goes to Power-On Reset
(POR) mode
Input
MS
Table
-
Output
-
Reference
Start
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
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
MS
I2C-bus
EB12
-
EB18
-
EP3
EB21 ... EB23
End
TDA18271MSPOR
Fig 15. Flowchart TDA18271MSPOR
001aah051
9.4.11 Flowchart TDA18271RFTrackingFiltersCorrection
Table 36. TDA18271RFTrackingFiltersCorrection
Function Description
Reference
Description find the Cprog corresponding to the
programmed central frequency
freq_input
Input
freq_input, TMVALUE_RFCAL, MS
Table
RF_BAND_map,
RF_CAL_DC_OVER_DT_map,
RF_CAL_map
Table 45 “RF_BAND_map”
Table 50 “RF_CAL_DC_OVER_DT_map”
Table 51 “RF_CAL_map”
Output
-
TDA18271HD_4
Product data sheet
Rev. 04 — 19 May 2009
© NXP B.V. 2009. All rights reserved.
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