Datenblatt-Suchmaschine für elektronische Bauteile |
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SI4744 Datenblatt(PDF) 7 Page - Silicon Laboratories |
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SI4744 Datenblatt(HTML) 7 Page - Silicon Laboratories |
7 / 302 page 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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