AKD5385A Просмотр технического описания (PDF) - Asahi Kasei Microdevices

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AKD5385A

Evaluation board Rev.A for AK5385A

Asahi Kasei Microdevices 

ASAHI KASEI

[AKD5385A]

(2) Master Mode

(2-1) A/D evaluation using DIT function of AK4103

PORT1 (DIT) is used. DIT generates audio bi-phase signal from received data and which is output through

optical connector (TOTX176). It is possible to connect AKM’s D/A converter evaluation boards on the

digital-amplifier which equips DIR input. Nothing should be connected to PORT2 (DSP). In case of using

external clock through a BNC connector (J3), select EXT on JP8 (CLK) and short JP5 (XTE) and open JP10

(EXT).

JP3

JP4

JP5

JP8

JP10

LRCK

BICK

XTE

CLK

EXT

XTL EXT

n Other jumper pins set up

1. JP1 (GND) : Analog ground and Digital ground

OPEN : Separated.

SHORT : Common. (The connector “DGND” can be open.) <Default>

2. JP2 (AVDD) : Select AVDD for AK5385A

AVDD : Supply from AVDD connector <Default>

REG : Supply from regulator. AVDD connector should be supplied +15V.

3. JP6 (BCFS) : Select BICK frequency

256 : In case of MCLK=256fs/512fs <Default>

384 : In case of MCLK=128fs/384fs

4. JP7 (MCLK) : Supply MCLK frequency for 74HC4040

256 : In case of MCLK=128fs/256fs

512 : In case of MCLK=512fs <Default>

384/768 : In case of MCLK=384fs

5. JP9 (LRFS) : Select LRCK frequency

256 : In case of MCLK=256fs/512fs <Default>

384 : In case of MCLK=128fs/384fs

<KM072400>

-3-

2003/07

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