Si47xx-EVB
5.6. FM Transmitter Settings (Digital Mode) Property Window
FM transmitter settings can be configured through the properties window by selecting Window ? Properties.
Properties are grouped into categories which can be selected from the drop-down box in the upper right of the
window. For convenience, all FM transmitter properties are also located in Window ? Properties ? TX: All. Digital
mode properties will be available if CODED or SPDIF modes was selected in the initialization window.
Figure 40. FM Transmitter Settings in Digital Mode Property Window
Table 10. FM Transmitter Settings in Digital Mode Property Window Descriptions
Item
Description
Range
Applicable
Devices
Reference Clock
Frequency (Hz)
This field is used to specify the frequency of the refer-
ence clock. The input to the RCLK pin divided by the
31130–34406 Hz
All
prescaler is the reference clock. The reference clock
must be in the range of 31130 to 34406 Hz.
Reference Clock
Prescaler
This field is used to specify the prescaler value. The
input to the RCLK pin divided by the prescaler is the
1–4095
All
reference clock. The reference clock must be in the
range of 31130 to 34406 Hz.
Digital Format
Sets I 2 S of left justified digital format.
Left-Justified, I 2 S,
DSP (MSB on first
All except
Si4710-A10
DCLK), or DSP
(MSB on second
DCLK)
Digital Sample
Select the precision of the digital audio input.
8, 16, 20, 24 bits
All
Precision
Digital Sample
Rate (Hz)
Sets the DFS digital sample rate. Must be set to 0 Hz
before DCLK/DFS is removed.
Rev. 0.8
0, 32000–
48000 Hz
All except
Si4710-A10
47
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