AD74111 查看數據表（PDF） - Analog Devices

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AD74111

Low Cost, Low Power Mono Audio Codec

Analog Devices 

AD74111

R/W

15

1

Table VI. Control Register A

ADDRESS

14, 13, 12, 11

0000

RES

10

0

Reserved

9, 8, 7

0

ADC Input

Amplifier

6

0 = Off

1 = On

ADC

5

0 = Off

1 = On

Function

DAC

4

0 = Off

1 = On

Reference

3

0 = Off

1 = On

Reference

Amplifier Reserved

2

1, 0

0 = Off

0

1 = On

Table VII. Control Register B

Function

Third MCLK

R/W ADDRESS RES Reserved Divider

15

14, 13, 12, 11 10

9, 8, 7, 6 5, 4

1

0001

0

0

00 = Divide by 1

01 = Divide by 2

10 = Divide by 4

11 = Divide by 1

Second MCLK

Divider

3, 2

00 = Divide by 1

01 = Divide by 2

10 = Divide by 3

11 = Divide by 1

First MCLK

Divider

1, 0

00 = Divide by 1

01 = Divide by 2

10 = Divide by 3

11 = Divide by 1

R/W

15

1

Table VIII. Control Register C

ADDRESS

14, 13, 12, 11

0010

RES

10

0

Reserved

9, 8, 7, 6

0

DAC and ADC

Word Width

5, 4

00 = 16 Bits

01 = 20 Bits

10 = 24 Bits

11 = 24 Bits

Function

Low Group

Delay

3

0 = Disabled

1 = Enabled

DAC

De-emphasis

2, 1

00 = None

01 = 44.1 kHz

10 = 32 kHz

11 = 48 kHz

ADC High-

Pass Filter

0

0 = Disabled

1 = Enabled

Table IX. Control Register D

Function

R/W ADDRESS RES Multiframe Sync Reserved DM/MM

Master/

DSP Mode Fast DCLK Slave

15

14, 13, 12, 11 10 9

8, 7, 6, 5, 4 3

2

1

0

1

0011

0

0 = Normal Mode 0

1 = MFS Mode

0 = Data Mode 0 = 16 Bits 0 = 128 ϫ fS 0 = Slave

1 = Mixed Mode 1 = 32 Bits 1 = 256 ϫ fS 1 = Master

–16–

REV. 0

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