AKD4370-B 데이터 시트보기 (PDF) - Asahi Kasei Microdevices

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AKD4370-B

Evaluation Board Rev.0 for AK4370

Asahi Kasei Microdevices 

ASAHI KASEI

[AKD4370-A]

(2) Master Mode

The AK4370’s register should be set to Master Mode. MCKI frequency should be set to the same as DSP’s

specification. About the AK4370’s register definitions, refer to datasheet of the AK4370.

AK4370

MCKI

BICK

LRCK

SDATA

256fs, 384fs, 512fs,

768fs or 1024fs

DSP or µP

MCLK

32fs, 64fs

BCLK

1fs

LRCK

SDTO

Figure 3. Master Mode

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

The system clock should be connected to MCLK of PORT2. SDTI of PORT2 should be connected to SDTO of

DSP. The JP4(LRCK2) and JP3(BICK2)’s right side should be connected to LRCK and BICK of DSP.

Set up the jumper pins.

JP3

LRCK2

JP4

BICK2

JP5

MCLK

JP6

BICK

JP7

LRCK

JP8

SDTO

<KM086300>

-4-

2006/12

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