AKD4371-B Datasheet, PDF (6/33 Pages) Asahi Kasei Microsystems – 24bit DAC with Headphone Amplifier

[AKD4371-B]
(3) External Slave Mode
The AK4371’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 AK4371’s register definitions, refer to datasheet of the AK4371.
AK4371
MCKO
MCKI
BICK
LRCK
SDATA
256fs, 384fs, 512fs,
768fs or 1024fs
DSP or μP
MCLK
32fs ~ 64fs
BCLK
1fs
LRCK
SDTO
Figure 5. 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.
JP3
LRCK2
JP4
BICK2
JP5
MCLK
JP6
BICK
JP7
LRCK
JP8
SDTO
(3-2) Evaluation connecting AKD4371 with external DSP
PORT2 (DSP) is used. Nothing should be connected to PORT1(DIR).
Set up the jumper pins.
JP3
LRCK2
JP4
BICK2
JP5
MCLK
JP6
BICK
JP7
LRCK
JP8
SDTO
<KM086201>
-6-
2007/07