Si47xx-EVB
Table 10. FM Transmitter Settings in Digital Mode Property Window Descriptions (Continued)
Item
Description
Range
Applicable
Devices
Digital Mono
Select between Digital Stereo or Mono.
On/Off
All
Mode Enable
Digital DCLK
Falling Edge
Audio Level Low
Select between using rising edge or falling edge of
DCLK when sampling Digital Input (DIN) data.
An interrupt will be generated when the audio input
On/Off
–70 to 0
All
All
Threshold (dBFS) level falls below this threshold for the duration greater
than the Audio Level Low Distortion setting. This may
be called silence detection indicator.
Audio Level Low
Duration (mSec)
Set the duration for the audio level low before an
interrupt is generated.
0–65535
All
Audio Level High An interrupt will be generated when the audio input
Threshold (dBFS) level rises above this threshold for the duration greater
than the Audio Level High Duration setting. This may
also be called loud detection indicator.
Audio Level High Set the duration for the audio level high before an
Duration (mSec)
interrupt is generated.
Varactor Capacitor This field allows the user to manually overwrite the
–70 to 0
0–65535
Automatic: 0
All
All
All
48
Overwrite
tuning capacitance. 0 indicates that the tuning cap is
automatically adjusted. Any number other than 0 (1 to
191) will indicate that the tuning cap is manually
adjusted.
Rev. 0.8
Manual: 1–191
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