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): 41/74頁(yè)
文件大小: 604K
代理商: TDA7514
41/74
TDA7514
Table 34. SUBADDRESS 19: 456KHz VCO Adjustment (manual mode)
Table 35. SUBADDRESS 20 : FM Smeter stop threshold, ISS Smeter threshold.
(*) Threshold is programmed by byte 14 bits<1:0> according to the following table:
Table 36. SUBADDRESS 14: Soft Mute
MSB
LSB
FUNCTION
D7
D6
D5
D4
D3
D2
D1
D0
0
Enable IFC (I
2
CBUS)
OFF
1
ON
OFF
0
Enable 456KHz VCO adj procedure (I
2
CBUS)
1
ON
minfreq
0
0
0
0
0
VCO 456KHz frequency adjust (I
2
CBUS)
1
-
1
0
-
0
1
0
-
1
0
-
1
1
0
-
1
0
-
1
1
0
-
1
0
-
1
1
0
-
0
1
-
1
1
maxfreq
VCO 456KHz frequency adjust mode
Manual adjustment procedure (I
2
CBUS)
Automatic adjustment procedure (State Machine)
0
1
MSB
D7
LSB
D0
FUNCTION
D6
D5
D4
D3
D2
D1
FM Smeter Stop Station threshold
400 mV
step 200 mV
3400 mV
FM ISS Smeter threshold (
from Softmute thresh. (*)).
0 mV
step 67 mV
467 mV
0 mV
-
-467 mV
0
-
1
0
-
1
0
-
1
0
-
1
0
-
0
1
-
1
0
-
1
0
-
1
0
-
1
0
-
1
0
-
1
0
-
1
MSB
LSB
FUNCTION
D7
D6
D5
D4
D3
D2
D1
D0
Soft mute threshold
0
0
0.3V
0
1
0.4V
1
0
1.6V
1
1
1.8V
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