SI47XX-EVB Datasheet, PDF (68/164 Pages) Silicon Laboratories – Thank you for purchasing the Silicon Laboratories

Si47xx-EVB
Table 15. FM Receiver Settings Property Window Descriptions (Continued)
Items
Description
Range
Applicable Devices
Digital Sample _{Digital audio output bit precision.}
Precision
8-bit, 16-bit, 20-
bit, 24-bit
Si4705/06,
Si4721/31/35/37/39,
Si4730/34/36/38-D60 and
later,
Si4741/43/45,
Si4784/85
Digital Sample Rate DFS sample rate for digital input signal.
Hz
Recommended values are: 32 kHz,
44.1 kHz, or 48 kHz. Over-sampling rate
must be set in order to satisfy a minimum
DCLK of 1 MHz. Sample rate must be set to
0 before DCLK/DFS is removed.
0, 32000–
48000 Hz
Si4705/06,
Si4721/31/35/37/39,
Si4730/34/36/38-D60 and
later,
Si4741/43/45,
Si4784/85
Hi-Cut Attack Rate Set the rate at which hi-cut lowers the cutoff
frequency. If set to 0, hi-cut attack is
disabled.
0 - 32767
Si4740/41/42/43/44/45,
Si4704/05-D50 and later,
Si4706-C30 and later,
Si4730/31/34/35/84/85-D50
and later
Hi-Cut Cutoff Max Sets the maximum audio transition
Frequency
frequency bandwidth.
Disabled, 2, 3, 4, Si4740/41/42/43/44/45,
5, 6, 8, and _{Si4704/05-D50 and later,}
11 kHz
Si4706-C30 and later,
Si4730/31/34/35/84/85-D50
and later
Hi-Cut Cutoff Min Sets the minimum band limit transition
Frequency
frequency for hi-cut.
Disabled, 2, 3, 4, Si4740/41/42/43/44/45,
5, 6, 8, and _{Si4704/05-D50 and later,}
11 kHz
Si4706-C30 and later,
Si4730/31/34/35/84/85-D50
and later
Hi-Cut Multipath End Sets the multipath level at which hi-cut
Threshold
reaches maximum limit.
0 -100
Si4740/41/42/43/44/45,
Si4704/05-D50 and later,
Si4706-C30 and later,
Si4730/31/34/35/84/85-D50
and later
Hi-Cut Multipath _{Sets the multipath level at which hi-cut}
Trigger Threshold _{begins to band limit.}
0 -100
Si4740/41/42/43/44/45,
Si4704/05-D50 and later,
Si4706-C30 and later,
Si4730/31/34/35/84/85-D50
and later
Hi-Cut Release Rate _{Set the rate at which hi-cut increases the}
cutoff frequency. If set to 0, hi-cut release is
disabled.
0 - 32767
Si4740/41/42/43/44/45,
Si4704/05-D50 and later,
Si4706-C30 and later,
Si4730/31/34/35/84/85-D50
and later
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Rev. 0.8