参数资料
型号: TDA7421N
厂商: STMICROELECTRONICS
元件分类: 接收器
英文描述: AM/FM, AUDIO SINGLE CHIP RECEIVER, PQFP64
封装: TQFP-64
文件页数: 31/47页
文件大小: 374K
代理商: TDA7421N
TDA7421N
Data byte specification
6.2
Tuner data byte specification
)
Table 25.
Address organization (Tuner AM/FM
Function
Subad
MSB
LSB
B7
B6
B5
B4
B3
B2
B1
B0
STATUS
00H
N.U.
FMMUTE
FMADJ
AM
STEREO
SEEK
AM/FM/
STBY
AM/FM/
STBY
AM/FM/
STBY
FM STOP STATION/
FM IF AGC
01H
FAG2
FAG1
FAG0
FSS4
FSS3
FSS2
FSS1
FSS0
FM SMETER
SLIDER/ AM IF2 AMP
02H
FSL4
FSL3
FSL2
FSL1
FSL0
IF2A1
IF2A0
N.U.
AM AGC1/AM STOP
STATION
O3H
ASS3
ASS2
ASS1
ASS0
AAGN1
AAGN0
AAGW1 AAGW0
IFT1/IFT2
04H
T2A3
T2A2
T2A1
T2A0
T1A3
T1A2
T1A1
T1A0
FRONT-END
ADJUSTMENT
05H
ANA3
ANA2
ANA1
ANA0
RFA3
RFA2
RFA1
RFA0
FM DEMOD
ADJUSTMENT
06H
N.U.
DEM6
DEM5
DEM4
DEM3
DEM2
DEM1
DEM0
FM AUDIO MUTE
GAIN/FM IF
BUFFERS/FM SOFT
MUTE
07H
FSM3
FSM2
FSM1
FSM0
FFBL1
FBL0
AUM1
AUM0
FM HOLE
DETECTOR/FM
DETUNING
08H
BWM2
BWM1
BWM0
HDM4
HDM3
HDM2
HDM1
HDM0
TUNER TESTING
09H
PLLTEST
T2
T1
T0
SDDIS
BWDIS
HDDID
SMDIS
Table 26.
Status (subaddress 00H)
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
0
Standby
001
FM on
0
1
0
AM on (/6)
1
0
AM on (/10)
1
0
AM on (/8)
0
RECEPTION
1SEEK
0AM
AM
AM IFC Out
1
AM
AM Stereo OUT
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