E-TDA7514TR View Datasheet(PDF) - STMicroelectronics
Part Name
Description
View to exact match
E-TDA7514TR Datasheet PDF : 74 Pages
| |||
TDA7514
Table 63. SUBADDRESS 17: High cut, Noise Blanker, ADC, Stdec in Switch
MSB
LSB
FUNCTION
D7 D6 D5 D4 D3 D2 D1 D0
Stereo decoder input switch
0 switch closed (signal can go into stereo decoder)
1 switch open (signal can not gon into stereo decoder)
Minimun and maximun Smeter thresholds for NB
0
0
2.2 , 4.3
0
1
3.2 , 4.6
1
0
2.7 , 4.5
1
1
3.7 , 4.7
NB max PEAK value generated from Smeter
0
0
1.8 V
0
1
1.5 V
1
0
1.1 V
1
1
OFF
HCC threshold generation mode (VHCH, VHCL)(**)
0
SNC OFF
1
SNC ON
Smeter ADC operation
0
ADC Convert Stop
1
ADC Convert Start
AM/FM mode selection for StereoDecoder
0
FM mode
1
AM mode
(**) cfr. HCC/SB threshold table
Table 64. SUBADDRESS 18: High Cut
MSB
D7
D6
D5
D4
D3
D2
D1
0
0
0
0
0
0
0
0
.
.
.
.
1
1
1
1
0
1
0
1
0
1
(***) High Cut LPF corner frequency formula:
fhicut = fmax / ( 1 + N / 7.75)
with N = 0,1,..,31
and fmax = 4 kHz, 10 kHz or 20 kHz according to byte 28 bit 3 and 4
LSB
D0
0
1
.
1
FUNCTION
Max/Min High Cut Frequency (***)
20 kHz/ 10 kHz
.
4 kHz/ 2 kHz
AM 7.2kHz LPF OFF
AM 7.2kHz LPF ON
High Cut Filter limiting (AM)
Fix Maximum High Cut Frequency
Fix Minimum High Cut Frequency
Fixed High Cut OFF
Fixed High Cut ON
57/74
|
|
Share Link: 