SI4704 Datasheet, PDF (25/36 Pages) Silicon Laboratories – Worldwide FM band support (64-108 MHz) integrated antenna support EN55020 compliant

Si4704/05-C40
5. Commands and Properties
Cmd
0x01
0x10
0x11
0x12
0x13
0x20
0x21
0x22
0x23
0x24
Table 13. Selected Si4704/05 Commands
Name
POWER_UP
GET_REV
POWER_DOWN
SET_PROPERTY
GET_PROPERTY
FM_TUNE_FREQ
Description
Powerup device and mode selection. Modes include analog or digital output
and reference clock or crystal support.
Returns revision information on the device.
Powerdown device.
Sets the value of a property.
Retrieves a property’s value.
Selects the FM tuning frequency.
FM_SEEK_START
FM_TUNE_STATUS
FM_RSQ_STATUS
FM_RDS_STATUS
Begins searching for a valid frequency.
Queries the status of previous FM_TUNE_FREQ or FM_SEEK_START
command.
Queries the status of the Received Signal Quality (RSQ) of the current
channel (Si4705 only).
Returns RDS information for current channel and reads an entry from the
RDS FIFO (Si4705 only).
Rev. 1.0
25