CS4226 查看數據表（PDF） - Cirrus Logic

零件编号

产品描述 (功能)

生产厂家

CS4226

Surround Sound Codec

Cirrus Logic 

CS4226

3.9 Input Control Byte (0Ch)

B7

B6

B5

B4

B3

B2

B1

B0

OVRM

VM

BM

PM

GNR1

GNR0

GNL1

GNL0

OVRM

ADC Overflow Mask

0- Error condition is masked at OLV/ERR pin and no DAC muting on extended hold

1- No Masking

VM

Validity Error Mask

0- Error condition is masked at OLV/ERR pin and no DAC muting on extended hold

1- No Masking

BM

Biphase Error Mask

0- Error condition is masked at OLV/ERR pin and no DAC muting on extended hold

1- No Masking

PM

Parity Error Mask

0- Error condition is masked at OLV/ERR pin and no DAC muting on extended hold

1- No Masking

GNL1-GNL0

Sets left input gain

0 - 0 dB

1 - 3 dB

2 - 6 dB

3 - 9 dB

GNR1-GNR0

Sets right input gain

0 - 0 dB

1 - 3 dB

2 - 6 dB

3 - 9 dB

This register defaults to 00h.

3.10 ADC Status Report Byte (Read Only) (0Dh)

B7

LVM1

B6

LVM0

B5

LVR2

B4

LVR1

LVL2-LVL0, LVR2-0 Left and Right ADC output level

0 - Normal output levels

1 - -6 dB level

2 - -5 dB level

3 - -4 dB level

4 - -3 dB level

5 - -2 dB level

6 - -1 dB level

7 - Clipping

B3

LVR0

B2

LVL2

B1

LVL2

B0

LVL0

LVLM1-LVLM0

Mono ADC output level

0 - Normal output level

1 - -6 dB level

2 - -3 dB level

3 - Clipping

These bits are 'sticky'. They constantly monitor the ADC output for the peak levels and hold the max-

imum output. They are reset to 0 when read.

This register is read only.

DS188F4

27

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