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參數(shù)資料
| 型號(hào)： | TDA7421N |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 接收器 |
| 英文描述： | AM/FM, AUDIO SINGLE CHIP RECEIVER, PQFP64 |
| 封裝： | TQFP-64 |
| 文件頁(yè)數(shù)： | 32/47頁(yè) |
| 文件大?。?/td> | 374K |
| 代理商： | TDA7421N |
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Data byte specification
TDA7421N
)
0
1
FM
FM on for demodulator
adjustment, demod. on
1
FM
FM on for demodulator
adjustment, demod.
muted
Table 26.
Status (subaddress 00H) (continued)
MSB
LSB
Function
S6
S5
S4
S3
S2
S1
S0
FM
MUTE
FM
ADJ
AM
STEREO
SEEK
AM/FM/
Standby
AM/FM/
Standby
AM/FM/
Standby
Table 27.
FM stop station / FM IF AGC (subaddress 01H
MSB
LSB
Function
FAG2
FAG1
FAG0
FSS4
FSS3
FSS2
FSS1
FSS0
FM
IF AGC
MSB
FM
IF AGC
FM
IF AGC
LSB
FM
stop
station
MSB
FM
stop
station
FM
stop
station
FM
stop
station
FM
stop
station
LSB
FM stop station threshold
0
Maximum sensitivity
XXX
XX
1
Minimum sensitivity
all combinations allowed
FM IF AGC threshold
0
Maximum sensitivity
XXX
1
0
Minimum sensitivity
1
Keyed AGC disabled
all combinations allowed
Table 28.
FM smeter slider\IF2 amplifier (subaddress 02H)
MSB
LSB
Function
FSL4
FSL3
FSL2
FSL1
FSL0
IF2A1
IF2A0
FM
smeter
slider
MSB
FM
smeter
slider
FM
smeter
slider
FM
smeter
slider
FM
smeter
slider
LSB
AM if
2Amp
MSB
AM if
2Amp
LSB
FM smeter sliding (mV)
00
000
0
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