TEF6721HL NXP Semiconductors, TEF6721HL Datasheet - Page 6

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

Philips Semiconductors
TEF6721HL_4
Product data sheet
Table 3:
Symbol
FMMIXOUT2
AMMIXOUT2
V
SWPORT1
AMMIXDEC
AMMIXIN
VAMCAS
VAMCASFB
IAMAGC
TAFAMAGC
TRFAMAGC
VREFFMMIX
FMMIXIN1
RFGND
i.c.
FMMIXIN2
WBFLAG
IFMAGC
AGCBUF
DAAOUT
KAGCADJ
TFMAGC
KAGC
DAATD
DAAIN
VTUNE
CPOUT
V
DGND
V
VCOGND
OSCFDB
OSCTNK
V
ADDRSEL
BUSENABLE
AFSAMPLE
AFHOLD
SDA
DDA2
DDA3
DDD
DDA4
Pin description
Pin
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
Rev. 04 — 20 December 2005
…continued
Description
FM mixer IF output 2 (10.7 MHz)
AM mixer IF output 2 (10.7 MHz)
analog supply voltage 2 (8.5 V) for FM and AM RF
software programmable port 1
AM mixer decoupling
AM mixer input
output for AM RF cascode AGC
feedback input for AM RF cascode AGC
PIN diode drive current output of AM front-end AGC
AF time constant of AM front-end AGC
RF time constant of AM front-end AGC
reference voltage for FM RF mixer
FM mixer input 1
RF ground
internally connected; connect to ground
FM mixer input 2
buffered weather band flag output
PIN diode drive current output of FM front-end AGC
monitor current output of FM and AM front-end AGC
output of Digital Auto Alignment (DAA) circuit for antenna tank
circuit
adjustment for FM keyed AGC function; leave open-circuit
time constant of FM front-end AGC
level input for FM keyed AGC function from IF DSP
temperature compensation diode of DAA circuit for antenna tank
circuit
input of DAA circuit for antenna tank circuit
VCO tuning voltage
charge pump output
analog supply voltage 3 (8.5 V) for tuning PLL
digital ground
digital supply voltage (5 V)
VCO ground
VCO feedback input
VCO tank circuit
analog supply voltage 4 (8.5 V) for VCO
hardware address select for I
enable input for I
AF sample flag output for IF DSP
AF hold flag output for IF DSP
I
2
C-bus Serial Data (SDA) line input and output
2
C-bus
Car radio tuner front-end for digital IF
2
C-bus
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
TEF6721HL
6 of 48