TDA18271HD/C2,557 NXP Semiconductors, TDA18271HD/C2,557 Datasheet - Page 34

• Manufacturer Part Number: TDA18271HD/C2,557
• Description: IC TV SILICON TUNER 64-HLQFN
• Manufacturer: NXP Semiconductors
• Type: Silicon Tunerr

Specifications of TDA18271HD/C2,557

• Applications: Set-Top Boxes
• Mounting Type: Surface Mount
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 935285058557; TDA18271HD/C2; TDA18271HD/C2

NXP Semiconductors
TDA18211HD_5
Product data sheet
Fig 14. Flowchart TDA18211CalibrateRF
BP_FILTER_map
KM_map
GAIN_TAPER_map
freq_input
MS
freq_input
freq_input + 1 MHz
Actions
Normal mode
Switch OFF AGC1
Set AGC1_GAIN to 15 dB
Frequency dependent parameters update
Find BP_FILTER = f
Find GAIN_TAPER = f
Find RF_BAND = f
Find RFC_K, RFC_M = f
Tuner registers update
MAIN PLL charge pump source
CAL PLL charge pump source
Force DCDC converter to 0 V
Disable PLLs lock
RF tracking filters calibration mode
Tuner registers update
Set the internal calibration signal
Call TDA18211CalcCALPLL
Downconvert the calibration signal to 1 MHz
Call TDA18211CalcMAINPLL
Wait 5 ms
Internal synchronization
Normal operation for the MAIN PLL charge pump
Normal operation for the CAL PLL charge pump
Wait 10 ms - PLLs locking
Launch the RF Tracking filters calibration
Wait 60 ms - calibration on going
Normal mode
Switch ON AGC1
Set AGC1_GAIN to 6 dB
Tuner registers update
Synchronization
Get the calibration result
Call TDA18211ReadExtended
Start TDA18211CalibrateRF
End TDA18211CalibrateRF
RF(max)
RF(max)
RF(max)
RF(max)
in RF_BAND_map
in BP_FILTER_map
Rev. 05 — 2 June 2009
in GAIN_TAPER_map
in KM_map
Internal table
CAL_MODE = 0
SM_LT = 1
AGC1_GAIN = 3h
BP_FILTER = BP_FILTER
GAIN_TAPER = GAIN_TAPER
RF_BAND = RF_BAND
RFC_K = RFC_K, RFC_M = RFC_M
-
LO_FORCESRCE = 1
CAL_FORCESRCE = 1
RFC_CPROG = 0
FORCE_LOCK = 0
CAL_MODE = 3h
-
LO_FORCESRCE = 0
CAL_FORCESRCE = 0
FORCE_LOCK = 1
CAL_MODE = 0
SM_LT = 0
AGC1_GAIN = 0
-
-
TDA18211HD
DVB-T Silicon Tuner IC
I 2 C-bus
EP4
-
EB18
-
-
-
-
EP1 … EP2, EB13
EB4
EB7
EB14
EB20
-
EP4 … EP5
EP2, EP1, EP2, EP1
EB4
EB7
EB20
-
-
EB18
EP3 ... 4
EP1
© NXP B.V. 2009. All rights reserved.
RFC_CPROG
MS
001aag944
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