TDA18271HD/C2-T NXP Semiconductors, TDA18271HD/C2-T Datasheet - Page 26

• Manufacturer Part Number: TDA18271HD/C2-T
• Description: Tuners HYBRIDE
• Manufacturer: NXP Semiconductors

Specifications of TDA18271HD/C2-T

• Bus Type: I2C
• Maximum Agc: 71 dB
• Maximum Frequency: 864 MHz
• Minimum Frequency: 45 MHz
• Mounting Style: SMD/SMT
• Package / Case: HLQFN-64
• Function: TV
• Noise Figure: 5.5 dB
• Operating Supply Voltage: 3.3 V
• Supply Voltage (min): 3.13 V
• Supply Voltage (max): 3.47 V
• Minimum Operating Temperature: 0 C
• Maximum Operating Temperature: + 70 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: TDA18271HD/C2,518

NXP Semiconductors
TDA18271HD_4
Product data sheet
9.4.4 Flowchart TDA18271FixedContentsI2Cupdate
Table 29.
The register contents are not described in detail as this procedure is not to be modified.
Function
Description
Input
Table
Output
Fig 8.
Flowchart TDA18271InitCal
TDA18271FixedContentsI2Cupdate
MS_init
MS_init
Description
update and write the TDA18271HD registers
sequential update of AGC1 and AGC2
image calibration algorithm
MS
-
-
Rev. 04 — 19 May 2009
MS_init = 1
Master initialization
I
Call TDA18271FixedContentsI2Cupdate
Calibrate the RF tracking filters
Call TDA18271CalcRFFilterCurve
Back to POR
Call TDA18271MSPOR
MS_init = 0
Slave initialization
I
Call TDA18271FixedContentsI2Cupdate
Calibrate the RF tracking filters
Call TDA18271CalcRFFilterCurve
Back to POR
Call TDA18271MSPOR
init_done = true
2
2
C-bus initialization sequence
C-bus initialization sequence
TDA18271InitCal
TDA18271InitCal
Start
End
Reference
TMVALUE_RFCAL
TDA18271HD
MS_init
MS_init
init_done
001aah044
© NXP B.V. 2009. All rights reserved.
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