AKD4626A-B datasheet(3/44 Pages) AKM

部件名	AKD4626A-B

功能描述	Multi-channel Audio CODEC.

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制造商	AKM [Asahi Kasei Microsystems]

网页	http://www.akm.com

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3 / 44 page

ASAHI KASEI

[AKD4626A-B]

2005/11

- 3 -

Evaluation mode

1) Evaluation of ADC

TOTX176 is used for digital output. Clock mode of the AK4112B should be set to PLL mode or X’tal mode.

2) Evaluation of DAC

TORX176 or BNC is used for digital input. Clock mode of the AK4112B should be set to PLL mode. “4112A”

should be selected on JP4,5,6 and 7.

3) Loopback mode

Clock mode of the AK4112B should be set to PLL mode or X’tal mode. “4112A” should be selected

on JP4,5,6 and 7.

4) Evaluation of DAC using DSP

“DSP” should be selected on JP4,5,6 and 7.

Evaluation mode

AK4112B clock set-up

JP4,5,6,7

Used I/F

ADC

CM1= “0”, CM0= “1”(X’tal mode)

SHORT

TOTX176

optical output

DAC

CM1= “0”, CM0= “0”(PLL mode)

SHORT

Loopback

CM1= “0”, CM0= “1”(X’tal mode)

SHORT

Using DSP

CM1= “0”, CM0= “0”(PLL mode)

OPEN

PORT5(10-pin Header)

(Note.)1. Software “4112.exe” packed with the AKD4626A-B is used for set-up of the AK4112B.

2. CM1 and CM0 bits are D5 and D4 of Addr=00H, respectively

Table 2.Evalution mode

DIP Switch set up. (See the datasheet of AK4626A and AK4103A)

1. DFS_4529(SW2-1) set up of AK4626A Sampling speed(fs).

DFS_4529

Sampling Speed (fs)

OFF

Normal Speed Mode

32kHz~48kHz

ON

Double Speed Mode

64kHz~96kHz

Default

Table 3. Set up of Sampling Speed (fs)

2. V(SW2-2) set up of for AK4103AValidity detect.

V

Validity

OFF

Valid

ON

Invalid

Default

Table 4. Set up of Validity

3. FS3(SW2-3) FS2(SW2-4) set up of AK4103A sampling frequency setting.

FS3

FS2

Sampling frequency setting

OFF

44.1kHz

OFF

ON

48kHz

ON

OFF

Reserved

ON

32kHz

Default

Table 5. Set up of sampling frequency setting

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