SAA7707H Ver la hoja de datos (PDF) - Philips Electronics
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componentes Descripción
Fabricante
SAA7707H Datasheet PDF : 48 Pages
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Philips Semiconductors
Car radio Digital Signal Processor (CDSP)
Preliminary specification
SAA7707H
SYMBOL
PIN
SCL
38
SDA
39
EXCLK
40
VSSD8
41
STEREO
42
MSS/P
43
MUTE
44
DEEM
45
DCCCLK
46
DCCWS
47
DCCDAT
48
VDDD3
49
VSSD3
50
VSSD4
51
VDDD4
52
VDDD5
53
VSSD5
54
VSSD6
55
VDDD2
56
TEST1
57
VSSD10
58
TEST2
59
RDSCLK
60
RDSDAT
61
MPXRDS
62
XTALI
63
XTALO
64
VDDX
65
VSSX
66
VSSG
67
VSSA1
68
VDDA1
69
VrefMPX
70
AUXL
71
AUXR
72
TAPEL
73
TAPER
74
AMAF
75
FMMPX
76
1997 May 30
I/O
DESCRIPTION
I
serial clock input (I2C-bus)
I/O serial data input/output (I2C-bus)
I
external reference clock input to generate 4fas and fas synchronization; to be
used if the I2S-bus inputs are not suitable
−
ground supply 8 for the digital circuitry
FM stereo indication (active HIGH)
FM pause detector/MSS detector (active HIGH); also for IAC trigger output
I
MUTE input pin (active LOW); only for FM mode
de-emphasis; CD and DCC (active HIGH) (I2S-bus)
I
DCC digital audio source clock input (I2S-bus)
I
DCC digital audio source Word Select input (I2S-bus)
I
DCC digital audio source left/right data input (I2S-bus)
−
positive supply 3 for the digital circuitry
−
ground supply 3 for the digital circuitry
−
ground supply 4 for the digital circuitry
−
positive supply 4 for the digital circuitry
−
positive supply 5 for the digital circuitry
−
ground supply 5 for the digital circuitry
−
ground supply 6 for the digital circuitry
−
positive supply 2 for the digital circuitry
test pin 1 (this pin should be left open-circuit)
−
ground supply 10 for the digital circuitry
test pin 2 (this pin should be left open-circuit)
I/O radio data system bit clock input/output
O radio data system data output
I
in FM mode, selects between FMMPX and RDSMPX input signal to the MPX
decimation filter
I
crystal oscillator input; can also be used as forced input in slave mode
O crystal oscillator output
−
positive supply crystal circuitry
−
ground supply crystal circuitry
−
ground guards for ADCs
−
analog ground supply for ADCs
−
analog positive supply for ADCs
I
common mode reference voltage input for MPX ADC and buffers
I
analog input for auxiliary left signal
I
analog input for auxiliary right signal
I
analog input for tape left signal
I
analog input for tape right signal
I
analog input for AM audio frequency
I
analog input for FM multiplex signal
7
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