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Si47xx-EVB
Table 15. FM Receiver Settings Property Window Descriptions (Continued)
Items
Digital Sample
Precision
Description
Digital audio output bit precision.
Range
8-bit, 16-bit, 20-
bit, 24-bit
Applicable Devices
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.
0, 32000–
Si4705/06,
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.
48000 Hz
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
Frequency
Sets the maximum audio transition
frequency bandwidth.
Disabled, 2, 3, 4,
5, 6, 8, and
11 kHz
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 Min
Frequency
Sets the minimum band limit transition
frequency for hi-cut.
Disabled, 2, 3, 4,
5, 6, 8, and
11 kHz
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 End Sets the multipath level at which hi-cut
0 -100
Si4740/41/42/43/44/45,
Threshold
reaches maximum limit.
Si4704/05-D50 and later,
Si4706-C30 and later,
Si4730/31/34/35/84/85-D50
and later
Hi-Cut Multipath
Trigger Threshold
Sets the multipath level at which hi-cut
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.
68
Rev. 0.8
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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