參數(shù)資料
型號(hào): TDA7514
廠商: 意法半導(dǎo)體
英文描述: SINGLE-CHIP FM/AM TUNER WITH STEREO DECODER AND AUDIO PROCESSOR
中文描述: 單芯片F(xiàn)M /調(diào)幅調(diào)諧立體聲解碼器和音頻處理器
文件頁(yè)數(shù): 58/74頁(yè)
文件大?。?/td> 604K
代理商: TDA7514
TDA7514
58/74
Table 65.
SUBADDRESS 19: Stereo Decoder Test Multiplexer
Table 66.
SUBADDRESS 20: ISS Weather Band Controls and Adjacent Channel thresholds
MSB
D7
LSB
D0
FUNCTION
D6
D5
D4
D3
D2
D1
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”
0
1
0
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
MSB
D7
LSB
D0
FUNCTION
D6
D5
D4
D3
D2
D1
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
0
1
x
x
0
0
0
-
1
0
0
1
-
1
0
1
0
-
1
0
0
1
1
0
1
0
1
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