ANALOG PRODUCTS DIVISION

561 E. Elliot Road #175 Chandler, AZ 85225 Tel: (480) 539-2900. Fax: (480) 632-1715

www.protekanalog.com

PA5322

100dB, 24-Bit, 192 kHz Stereo Audio CODEC

95248 Rev.0. 01/10

NOT FOR USE IN LIFE SUPPORT SYSTEMS

001 – I

010 – Right justified, 16 bit data

011 – Reserved

100 – Reserved

101 – Right justified, 24 bit data

110 – Reserved

111 – Reserved

SCLKRatio

2:1

00 – 32

01 – 48

10 – 64 (default)

11 – 128

Reserved

0

Reserved

ADC Mute Control – 0x03

Bit Name

Bit

Description

ADCMute

7

0 – normal (default)

1 – mute ADC digital output

Reserved

6

Reserved

ADCRampRate

5:4

These bits define ADC gain control ramp rate:

00 – 0.5 dB per 4 LRCK (default)

01 – 0.5 dB per 8 LRCK

10 – 0.5 dB per 16 LRCK

11 – 0.5 dB per 32 LRCK

ADCL=R

3

0 – normal (default)

1 – both channel gain control is set by ADC Left Gain Control register

ADCSoftRamp

2

ADC soft ramp at mute or gain change:

0 – Disabled

1 – Enabled (default)

ADCZeroCrs

1

ADC mute or gain change at zero crossing signal level to minimize audible noise

0 – Disabled

1 – Enabled (default)

Reserved

0

Reserved

ADC Left Gain Control – 0x04

Bit Name

Bit

Description

ADCGainL

7:0

1110 1000 – 6.0 dB gain (PGA)

1110 1001 – 6.5 dB gain (PGA)

1110 1010 – 7.0 dB gain (PGA)

1110 1011 – 7.5 dB gain (PGA)

1110 1100 – 8.0 dB gain (PGA)

1110 1101 – 8.5 dB gain (PGA)

1110 1110 – 9.0 dB gain (PGA)

1110 1111 – 9.5 dB gain (PGA)

1111 0000 – 10.0 dB gain (PGA)

1111 0001 – 10.5 dB gain (PGA)

1111 0010 – 11.0 dB gain (PGA)

1111 0011 – 11.5 dB gain (PGA)

1111 0100 – 6.0 dB attenuation (PGA)

1111 0101 – 5.5 dB attenuation (PGA)

1111 0110 – 5.0 dB attenuation (PGA)

1111 0111 – 4.5 dB attenuation (PGA)

1111 1000 – 4.0 dB attenuation (PGA)

1111 1001 – 3.5 dB attenuation (PGA)

1111 1010 – 3.0 dB attenuation (PGA)