AKD4373-B Datasheet, PDF (7/34 Pages) Asahi Kasei Microsystems – AK4373 Evaluation Board Rev.1

[AKD4373-B]
(3) External Slave Mode
The AK4373’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 AK4373’s register definitions, refer to datasheet of the AK4373.
AK4373
MCKO
MCKI
BICK
LRCK
SDATA
256fs, 512fs or 1024fs
DSP or μP
MCLK
≥32fs
BCLK
1fs
LRCK
SDTO
Figure 6. 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.
JP16
LRCK2
JP17
BICK2
JP11
MCLK
JP12
BICK
JP13
LRCK
JP14
SDTO
(3-2) Evaluation connecting AKD4373 with external DSP
PORT2 (DSP) is used. Nothing should be connected to PORT1 (DIR).
Set up the jumper pins.
JP16
LRCK2
JP17
BICK2
JP11
MCLK
JP12
BICK
JP13
LRCK
JP14
SDTO
<KM091602>
-7-
2008/07