Commands And Properties; Commands And Properties For The Fm/Rds Transmitter (Si4710/11/12/13/20/21) - Silicon Laboratories Si4704 Series Programming Manual

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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.
Cmd Name
0x01 POWER_UP
0x10 GET_REV
0x11 POWER_DOWN
0x12 SET_PROPERTY
0x13 GET_PROPERTY
0x14 GET_INT_STATUS
0x15 PATCH_ARGS
0x16 PATCH_DATA
0x30 TX_TUNE_FREQ
0x31 TX_TUNE_POWER
0x32 TX_TUNE_MEASURE
0x33 TX_TUNE_STATUS
0x34 TX_ASQ_STATUS
0x35 TX_RDS_BUFF
0x36 TX_RDS_PS
0x80 GPIO_CTL
0x81 GPIO_SET
Notes:
RDS feature (command TX_RDS_BUFF, TX_RDS_PS and RDS properties 0x2103, 0x2C00 through
1.
2C07) is supported in FMTX component 2.0 or higher.
GPIO feature (command GPIO_CTL and GPIO_SET) is fully supported in FMTX component 3.0 or higher.
2.
It is partially supported (GPO3 only) in FMTX component 2.0.
6
Table 4. FM/RDS Transmitter Command Summary
Power up device and mode selection. Modes include FM transmit
and analog/digital audio interface configuration.
Returns revision information on the device.
Power down device.
Sets the value of a property.
Retrieves a property's value.
Read interrupt status bits.
Reserved command used for patch file downloads.
Reserved command used for patch file downloads.
Tunes to given transmit frequency.
Sets the output power level and tunes the antenna capacitor.
Si4712/13/20/21 Only. Measure the received noise level at the
specified frequency.
Queries the status of a previously sent TX Tune Freq, TX Tune
Power, or TX Tune Measure command.
Queries the TX status and input audio signal metrics.
Si4711/13/21 Only. Queries the status of the RDS Group Buffer
1
and loads new data into buffer.
1
Si4711/13/21 Only. Set up default PS strings.
2
Configures GPO1, 2, and 3 as output or Hi-Z.
2
Sets GPO1, 2, and 3 output level (low or high).
Confidential Rev. 0.2
Description