TDA18211HD datasheet(35/66 Pages) NXP

35 / 66 page

TDA18211HD_5

Product data sheet

Rev. 05 — 2 June 2009

35 of 66

NXP Semiconductors

TDA18211HD

DVB-T Silicon Tuner IC

9.4.10 Flowchart TDA18211MSPOR

9.4.11 Flowchart TDA18211RFtrackingFiltersCorrection

Table 33.

TDA18211MSPOR

Function

Description

Reference

Description

master or slave tuner goes to Power-On Reset

(POR) mode

Input

Table

Output

Fig 15. Flowchart TDA18211MSPOR

001aag945

Start

TDA18211MSPOR

End

TDA18211MSPOR

PD_AGC1_DET = 0

AGC1_LOOP_OFF = 0

AGC1_GAIN = 0

AGC2_GAIN = 3h

EB12

EB18

Actions

Power up Detector 1

Turn AGC1 loop ON

Set AGC1_GAIN to 6 dB

Set AGC2_GAIN to

−6 dB

SM = 1, SM_LT = 0,

SM_XT = 0

EP3

POR mode

Internal table

I2C-bus

FORCELP_FC2_EN = 0,

LP_FC[2] = 0

EB21 ... EB23

1.5 MHz low-pass filter disabled

Table 34.

TDA18211RFtrackingFiltersCorrection

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_OVER_DT_map,

RF_CAL_map

Table 43 “RF_BAND_map”

Table 48 “RF_CAL_DC_OVER_DT_map”

Table 49 “RF_CAL_map”

Output

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