TABLE 3. Mode Select Register

Data Bit

Bit Name

Default Value

Condition

Function

MSO

I

1

0

Enables device power up mode

1

Enables device shutdown mode

MS1

I

0

0

Enables device normal operation

1

Enables device RESET, excluding the I

register settings

MS2

RAND

1

0

Disables the audio synchronization randomizer

1

Enables the audio synchronization randomizer

MS3

RSVD

0

0

RESERVED

1

MS4

RSVD

0

0

RESERVED

1

TABLE 4. Frequency Select Register

Data Bit

Bit Name

Default

Value

Condition

Function

FSO

PWM_FO

0

0

Programs the oscillation frequency of the PWM. PWM oscillation

frequency is set as follows:

1

PWM Frequency

FS1

PWM_F1

0

0

00

15kHz

01

60Hz

1

10

7Hz

11

4Hz

FS2

RSVD

0

0

RESERVED

1

FS3

HPF_FO

0

0

Programs the internal high pass filter cutoff frequency. High pass

filter cutoff frequency is set as follows:

1

FS4

HPF_F1

1

0

High Pass Filter Cutoff Frequency

1

00

3.5kHz

01

6.3kHz

10

6.3kHz

11

8.9kHz

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