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| SM5846AP_06 Datasheet, PDF (17/36 Pages) Nippon Precision Circuits Inc – Multi-function Digital Filter | |||
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SM5846AP
Control ï¬ag functions when MSD is HIGH (default)
Other requests are controlled by internal ï¬ag only because there is no corresponding input pin. These control
ï¬ags are valid when MDS is HIGH. The default values are shown in the following table.
Flag name
FSEL2
FSEL1
MUTE
IBS2
IBS1
Default value
Default setting
HIGH
HIGH
44.1kHz deemphasis ï¬lter sampling frequency
HIGH
Muting OFF
LOW
HIGH
16-bit input data length
Clock Functions
Input clock frequency switching (CKS)
This switch is used to select the input clock frequencyâ384fs or 512fs (normal-speed sampling), and 192fs or
256fs (high-speed sampling).
CKS
LOW
HIGH
Input sampling frequency fs [kHz]
32
64
32
44.1
48
64
88.2
96
System clock
Frequency [MHz]
[Ã fs]
16.384
512fs
16.384
256fs
12.288
16.9344
384fs
18.432
12.288
16.9344
192fs
18.432
Notes
Normal-speed sampling mode
High-speed sampling mode
Normal-speed sampling mode
High-speed sampling mode
Crystal oscillator control switch (CKEN)
This switch is used to start/stop the crystal oscillator circuit.
CKEN
HIGH
LOW
Crystal oscillator operation
Oscillating
Stopped
SEIKO NPC CORPORATION â17
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