AK4490EN Datasheet, PDF (34/68 Pages) Asahi Kasei Microsystems – Premium 32-Bit 2ch DAC

[AK4490EN]
[3] External Digital Filter Mode (EX DF I/F Mode)
The AK4490EN has the External Digital Filter playback function. The external clocks, which are required
in EX DF I/F mode, are MCLK, BCK and WCK. BCK should be same frequency with MCLK. The
frequency of WCK is set by ECS bit.
Table 20. EX DF Sampling Speed
ECS
WCK [kHz]
0
768kHz
(default)
1
384kHz
015013666-E-01
- 34 -
2015/12