AKD4373-B Просмотр технического описания (PDF) - Asahi Kasei Microdevices

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AKD4373-B

AK4373 Evaluation Board Rev.1

Asahi Kasei Microdevices 

[AKD4373-B]

(3) External Slave Mode

The AK4373’s register should be set to EXT Slave Mode. MCKI frequency should be set to the same as the

specification of DSP or DIR. About the AK4373’s register definitions, refer to datasheet of the AK4373.

AK4373

MCKO

MCKI

BICK

LRCK

SDATA

256fs, 512fs or 1024fs

DSP or μP

MCLK

≥32fs

BCLK

1fs

LRCK

SDTO

Figure 6. External Slave Mode

(3-1) Evaluation using DIR (Optical Link) of AK4116 <default>

PORT1 (DIR) is used. Nothing should be connected to PORT2 (DSP).

Set up the jumper pins.

JP16

LRCK2

JP17

BICK2

JP11

MCLK

JP12

BICK

JP13

LRCK

JP14

SDTO

(3-2) Evaluation connecting AKD4373 with external DSP

PORT2 (DSP) is used. Nothing should be connected to PORT1 (DIR).

Set up the jumper pins.

JP16

LRCK2

JP17

BICK2

JP11

MCLK

JP12

BICK

JP13

LRCK

JP14

SDTO

<KM091602>

-7-

2008/07

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