Philips Semiconductors
Product specification
New In Car Entertainment (NICE) car radio
TEA6845AH; TEA6845H
SYMBOL
OSCFDB
PIN
DESCRIPTION
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
VCO feedback
OSCTNK
VDDA3
VCO tank circuit
analog supply voltage 3 (8.5 V) for VCO
AFSAMPLE
AFHOLD
TRDSMUTE
AMAFIF2
RDSMPX
FMMPX
VDDA2
AF sample flag output for car audio signal processor IC
AF hold flag output for car audio signal processor IC
time constant for RDS update mute
AM demodulator AF output or IF2 output for AM stereo (multiplexed by I2C-bus)
MPX output for RDS decoder and signal processor (not muted)
FM demodulator MPX output
analog supply voltage 2 (5 V) for on-chip power supply
analog supply voltage 1 (8.5 V) for on-chip power supply
I2C-bus data line input and output
VDDA1
SDA
SCL
I2C-bus clock line input
IF2GND
QDET1
QDET2
CAFC
AM IF2 ground
quadrature demodulator tank 1
quadrature demodulator tank 2
FM demodulator AFC capacitor
Vlevel
level voltage output for AM and FM
crystal oscillator 1
XTAL1
XTALGND
XTAL2
crystal oscillator ground
crystal oscillator 2
Iref
reference current for power supply
AM mixer 2 output 1 (450 kHz)
AMMIX2OUT1
AMMIX2OUT2
AM mixer 2 output 2 (450 kHz)
2001 Apr 12
7
NXP [ NXP ]
