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參數(shù)資料
| 型號： | TDA7427D |
| 廠商： | 意法半導體 |
| 元件分類： | 通用總線功能 |
| 英文描述： | AM-FM RADIO FREQUENCY SYNTHESIZER AND IF COUNTER |
| 中文描述： | 上午- FM收音機頻率合成器和中頻計數(shù)器 |
| 文件頁數(shù)： | 16/21頁 |
| 文件大小： | 144K |
| 代理商： | TDA7427D |
IF COUNTER REFERENCE CONTROL 2 (MSB) AND IF COUNTER MODE SELECT
MSB
D7
0
0
0
LSB
D0
0
1
0
FUNCTION
D6
0
0
0
D5
0
0
0
D4
0
0
0
D3
0
0
0
D2
0
0
0
D1
0
0
1
MSB = 0
MSB = 256
MSB = 512
1
1
1
1
1
1
1
1
1
1
1
1
0
1
1
1
0
1
MSB = 15616
MSB = 15872
MSB = 16128
NOT USED IN APPLICATION MODE
IF counter FM mode
IF counter AM mode
IF counter AM 10.7MHz upconversion mode
Bitname
0
0
1
1
0
1
0
1
IFCM1 IFCM0
fosc/ftim = LSB + MSB + 1
IRC13
IRC12
IRC11
IRC10
IRC9
IRC8
Subaddress= 07H
IF COUNTER CONTROL 1
MSB
D7
LSB
D0
0
1
1
0
1
0
FUNCTION
D6
D5
D4
D3
D2
0
0
0
1
1
1
D1
0
0
1
0
0
1
don’t use
don’t use
EWdelta f=
±
6.25kHz (FM);
±
1kHz(AM;AM-UPC)
EWdeltaf =
±
12.5kHz (FM);
±
2kHz (AM;AM-UPC)
EWdelta f =
±
25kHz (FM);
±
4kHz(AM;AM-UPC)
EWdelta f =
±
50Hz (FM);
±
8kHz(AM;AM-UPC)
EW delta f =
±
100kHz (FM);
±
16kHz (AM; AM-
UPC)
don’t use
IF counter disabled / stand by
IF counter enabled
Bit name
1
1
1
X
X
X
X
0
1
FENA
FR3
FR2
FR1
FR0
EW2
EW1
EW0
Subaddress = 08H
TDA7427
16/21
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