TDA7514 STMicroelectronics, TDA7514 Datasheet - Page 58

• Manufacturer Part Number: TDA7514
• Description: SINGLE-CHIP FM/AM TUNER
• Manufacturer: STMicroelectronics

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TDA7514
Table 65. SUBADDRESS 19: Stereo Decoder Test Multiplexer
Table 66. SUBADDRESS 20: ISS Weather Band Controls and Adjacent Channel thresholds
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MSB
MSB
D7
D7
0
1
0
0
1
1
D6
0
1
D6
0
1
0
1
D5
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
D5
0
0
0
1
-
D4
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
D4
0
0
1
1
-
D3
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
D3
0
1
0
1
-
D2
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
D2
x
D1
0
1
D1
LSB
x
D0
0
1
Stereo Decoder test signals
OFF
Test signals enabled (if D7 of subaddress is also) “1”
External Clock
Internal Clock
Test signals
VHCCH
Smeter for ADC
Pilot Magnitude
VCO control voltage
Pilot Threshold
HOLDN
NB Threshold
F228
VHCCL
VSBL
Level for NB
HCC input
PEAK
SB input
REF 5V
F228
400kHz VCO OFF
ON
OFF
Audioprocessor test mode
OFF
Enabled if D7 of subaddress is also “1”
LSB
D0
0
1
ISS weather band
ISS filter 20KHz (weather band) OFF
ISS filter 20KHz (weather band) ON
not used
not used
"ac" threshold ( + Ref3V )
0.25 V
0.35 V
0.45 V
-
0.95 V
"ac+" - "ac" thresholds difference
0.0 V
0.1 V
0.2 V
0.3 V
FUNCTION
FUNCTION