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SI4784 Datasheet(Hoja de datos) 7 Page - Silicon Laboratories

No. de Pieza. SI4784
Descripción  Si47XX PROGRAMMING GUIDE
Descarga  302 Pages
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Fabricante  SILABS [Silicon Laboratories]
Página de inicio  http://www.silabs.com
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 7 page
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AN332
Rev. 1.0
7
5. Commands and Properties
There are four different components for these product families:
1. FM Transmitter component
2. FM Receiver component
3. AM/SW/LW component
4. WB component
The following four subsections list all the commands and properties used by each of the component.
5.1. Commands and Properties for the FM/RDS Transmitter (Si4710/11/12/13/20/21)
The following two tables are the summary of the commands and properties for the FM/RDS Transmitter component
applicable to Si4710/11/12/13/20/21.
Table 4. FM/RDS Transmitter Command Summary
Cmd
Name
Description
Available In
0x01
POWER_UP
Power up device and mode selection. Modes include FM
transmit and analog/digital audio interface configuration.
All
0x10
GET_REV
Returns revision information on the device.
All
0x11
POWER_DOWN
Power down device.
All
0x12
SET_PROPERTY
Sets the value of a property.
All
0x13
GET_PROPERTY
Retrieves a property’s value.
All
0x14
GET_INT_STATUS
Read interrupt status bits.
All
0x15
PATCH_ARGS*
Reserved command used for patch file downloads.
All
0x16
PATCH_DATA*
Reserved command used for patch file downloads.
All
0x30
TX_TUNE_FREQ
Tunes to given transmit frequency.
All
0x31
TX_TUNE_POWER
Sets the output power level and tunes the antenna capaci-
tor.
All
0x32
TX_TUNE_MEASURE
Measure the received noise level at the specified fre-
quency.
Si4712/13/20
/21
0x33
TX_TUNE_STATUS
Queries the status of a previously sent TX Tune Freq, TX
Tune Power, or TX Tune Measure command.
All
0x34
TX_ASQ_STATUS
Queries the TX status and input audio signal metrics.
All
0x35
TX_RDS_BUFF
Queries the status of the RDS Group Buffer and loads
new data into buffer.
Si4711/13/21
0x36
TX_RDS_PS
Set up default PS strings.
Si4711/13/21
0x80
GPIO_CTL
Configures GPO1, 2, and 3 as output or Hi-Z.
All except
Si4710-A10
0x81
GPIO_SET
Sets GPO1, 2, and 3 output level (low or high).
All except
Si4710-A10
*Note:
Commands PATCH_ARGS and PATCH_DATA are only used to patch firmware. For information on applying a patch
file, see "7.2. Powerup from a Component Patch" on page 216.




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