ASAHI KASEI

[AK4383]

MS0090-E-00

2001/4

- 11 -

LRCK

MCLK

BICK

fs

128fs

192fs

256fs

384fs

64fs

88.2kHz

11.2896MHz

16.9344MHz

22.5792MHz

33.8688MHz

5.6448MHz

96.0kHz

12.2880MHz

18.4320MHz

24.5760MHz

36.8640MHz

6.1440MHz

Table 4. System Clock Example (Double Speed Mode @Manual Setting Mode)

LRCK

MCLK

BICK

fs

128fs

192fs

64fs

176.4kHz

22.5792MHz

33.8688MHz

11.2896MHz

192.0kHz

24.5760MHz

36.8640MHz

12.2880MHz

Table 5. System Clock Example (Quad Speed Mode @Manual Setting Mode)

MCLK

Sampling Speed

512fs

768fs

Normal

256fs

384fs

Double

128fs

192fs

Quad

Table 6. Sampling Speed (Auto Setting Mode)

LRCK

MCLK (MHz)

fs

128fs

192fs

256fs

384fs

512fs

768fs

Sampling Speed

32.0kHz

-

-

-

-

16.3840

24.5760

44.1kHz

-

-

-

-

22.5792

33.8688

48.0kHz

-

-

-

-

24.5760

36.8640

Normal

88.2kHz

-

-

22.5792

33.8688

-

-

96.0kHz

-

-

24.5760

36.8640

-

-

Double

176.4kHz

22.5792

33.8688

-

-

-

-

192.0kHz

24.5760

36.8640

-

-

-

-

Quad

Table 7. System Clock Example (Auto Setting Mode)

2) DSD Mode

The external clocks, which are required to operate the AK4383, are MCLK and DCLK. The master clock (MCLK) should

be synchronized with DSD clock (DCLK) but the phase is not critical. The frequency of MCLK is set by DCKS bit.

DCKS

0

1

MCLK

512fs

768fs

DCLK

64fs

64fs

Table 8. System Clock (fs=44.1kHz)