SI4707-B20 Datasheet, PDF (20/30 Pages) Silicon Laboratories – WEATHER BAND AND SAME DATA RECEIVER

Si4707-B20
Table 12. Si4707 Property Summary
Prop
0x0001
0x0201
0x0202
0x4000
0x4001
0x5108
0x5200
0x5201
0x5202
0x5203
0x5204
0x5600
0x5500
Name
GPO_IEN
REFCLK_FREQ
REFCLK_PRESCALE
RX_VOLUME
RX_HARD_MUTE
WB_MAX_TUNE_ERROR
WB_RSQ_INTERRUPT_
SOURCE
WB_RSQ_SNR_HIGH_
THRESHOLD
WB_RSQ_SNR_LOW_
THRESHOLD
WB_RSQ_RSSI_HIGH_
THRESHOLD
WB_RSQ_RSSI_LOW_
THRESHOLD
WB_ASQ_INTERRUPT_
SOURCE
WB_SAME_INTERRUPT_
SOURCE
Description
Default
Enables interrupt sources.
0x0000
Sets frequency of reference clock in Hz. The range is 31130 to
34406 Hz or 0 to disable the AFC. Default is 32768 Hz.
0x8000
Sets the prescaler value for RCLK input.
0x0001
Sets the output volume.
0x003F
Mutes the audio output. L and R audio outputs may be muted
independently in FM mode.
0x0000
Maximum change in frequencies from the WB_TUNE_FREQ to
which the AFC will lock.
0x000F
Configures interrupts related to RSQ metrics. All interrupts are
disabled by default.
0x0000
Sets high threshold for SNR interrupt. The default is 0 dB.
0x007F
Sets low threshold for SNR interrupt. The default is 0 dB.
0x0000
Sets high threshold for RSSI interrupt. The default is 0 dB.
0x007F
Sets low threshold for RSSI interrupt. The default is 0 dB.
0x0000
Configures 1050 Hz alert tone interrupts. All interrupts are
disabled by default.
Configures SAME interrupt sources. All interrupts are disabled
by default.
0x0000
0x0000
20
Rev. 0.8