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| Table 15. Si473x Property Summary (Continued) |
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Prop | Name | Description | Default |
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0x1502 | RDS_CONFIG | Configures RDS setting. | 0x0000 |
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0x3100 | AM_DEEMPHASIS | Sets | 0x0000 |
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emphasis is disabled by default. |
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| Selects the bandwidth of the channel filter for AM/SW/LW recep- |
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0x3102 | AM_CHANNEL_FILTER | tion. The choices are 6, 4, 3, 2, or 1 (kHz). The default band- | 0x0003 |
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| width is 2 kHz. |
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0x3200 | AM_RSQ_INTERRUPTS | Configures interrupt related to RSQ metrics. All interrupts are | 0x0000 |
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disabled by default. |
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0x3201 | AM_RSQ_SNR_HIGH_ | Sets high threshold for SNR interrupt. The default is 0 dB. | 0x007F |
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THRESHOLD |
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0x3202 | AM_RSQ_SNR_LOW_ | Sets low threshold for SNR interrupt. The default is 0 dB. | 0x0000 |
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THRESHOLD |
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0x3203 | AM_RSQ_RSSI_HIGH_ | Sets high threshold for RSSI interrupt. The default is 0 dB. | 0x007F |
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THRESHOLD |
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0x3204 | AM_RSQ_RSSI_LOW_ | Sets low threshold for RSSI interrupt. The default is 0 dB. | 0x0000 |
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THRESHOLD |
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0x3300 | AM_SOFT_MUTE_RATE | Sets the rate of attack when entering or leaving soft mute. The | 0x0040 |
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default is 278 dB/s. |
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| Sets the AM/SW/LW soft mute slope. The bigger the number, |
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0x3301 | AM_SOFT_MUTE_SLOPE | the higher the max attenuation level. Default value is a slope of | 0x0002 |
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| 2. |
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0x3302 | AM_SOFT_MUTE_MAX_ | Sets maximum attenuation during soft mute (dB). Set to 0 to dis- | 0x0010 |
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| ATTENUATION | able soft mute. Default is 16 dB. |
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0x3303 | AM_SOFT_MUTE_SNR_ | Sets SNR threshold to engage soft mute. Default is 10 dB. | 0x000A |
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THRESHOLD |
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0x3400 | AM_SEEK_BAND_ | Sets the bottom of the AM/SW/LW band for seek. Default is 520. | 0x0208 |
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BOTTOM |
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0x3401 | AM_SEEK_BAND_TOP | Sets the top of the AM/SW/LW band for seek. Default is 1720. | 0x06AE |
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0x3402 | AM_SEEK_FREQ_ | Selects frequency spacing for AM/SW/LW seek. Default is 10 | 0x000A |
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SPACING | kHz spacing. |
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0x3403 | AM_SEEK_SNR_ | Sets the SNR threshold for a valid AM/SW/LW Seek/Tune. If the |
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value is zero then SNR threshold is not considered when doing | 0x0005 |
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THRESHOLD |
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| a seek. Default value is 5 dB. |
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0x3404 | AM_SEEK_RSSI_ | Sets the RSSI threshold for a valid AM/SW/LW Seek/Tune. If |
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the value is zero then RSSI threshold is not considered when | 0x0019 |
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THRESHOLD |
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| doing a seek. Default value is 25 dBuV. |
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0x4000 | RX_VOLUME | Sets the output volume. | 0x003F |
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0x4001 | RX_HARD_MUTE | Mutes the audio output. L and R audio outputs may be muted | 0x0000 |
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independently in FM mode. |
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Rev. 1.0 | 29 |
