TEF6721HL NXP Semiconductors, TEF6721HL Datasheet - Page 42

• Manufacturer Part Number: TEF6721HL
• Description: Car Radio Tuner Front-end For Digital If
• Manufacturer: NXP Semiconductors

Philips Semiconductors
Table 33:
TEF6721HL_4
Product data sheet
Function
Alternative frequency
Programmable counter PLL
Preset
Setting antenna DAA
Reference frequency for
synthesizer
Band select
Keyed FM AGC
Wideband AGC
Local or distance
FM mixer image rejection
AGC switch
FM mixer gain
Software programmable port 2
Software programmable port 1
Setting of crystal frequency DAA
I
2
C-bus transmission
Default settings of I
2
C-bus transmission to 1st IC address (C2h) for AM and FM mode
AM
AF = 0 (no start of RDS update)
PLL[14:0] = 11700 (f
PRESET = 1 (writing to programmable
divider and antenna DAA enabled)
DAA[6:0] = 64
FREF[2:0] = 110 (f
f
BND[1:0] = 10; AMFM = 1
(VCO divider = 20; I
KAGC = 0 (off)
AGC[1:0] = 01 (375 mV)
LODX = 0 (distance)
FMINJ = 0 (low injection)
AGCSW = 1 (FM RF AGC PIN diode drive
sources 10 mA)
MIXGAIN = 0 (nominal)
SWPORT2 = 1 (LOW)
SWPORT1 = 0 (open-collector)
DAC[4:0] = 15 (4.6 V)
C2 2D B4 C0 65 22 8F
VCO
= 234 MHz)
Rev. 04 — 20 December 2005
ref
cp
RF
= 20 kHz;
= 1 mA)
= 1 MHz)
Car radio tuner front-end for digital IF
FM
AF = 0 (no start of RDS update)
PLL[14:0] = 3918 (f
PRESET = 1 (writing to programmable
divider and antenna DAA enabled)
DAA[6:0] = 64
FREF[2:0] = 100 (f
f
BND[1:0] = 01; AMFM = 0
(VCO divider = 3; I
KAGC = 1 (on)
AGC[1:0] = 01 (16 mV)
LODX = 1 (local)
FMINJ = 0 (low injection)
AGCSW = 1 (FM RF AGC PIN diode drive
sinks 1 mA)
MIXGAIN = 0 (nominal)
SWPORT2 = 1 (LOW)
SWPORT1 = 0 (open-collector)
DAC[4:0] = 16 (4.4 V)
C2 0F 4E C0 42 B2 90
VCO
= 195.9 MHz)
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
TEF6721HL
ref
cp
RF
= 130 A + 3 mA)
= 50 kHz;
= 76 MHz)
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