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| AKD4371-B Datasheet, PDF (7/33 Pages) Asahi Kasei Microsystems – 24bit DAC with Headphone Amplifier | |||
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[AKD4371-B]
(4) External Master Mode
The AK4371âs register should be set to EXT Master Mode. MCKI frequency should be set to the same as DSPâs
specification. About the AK4371âs 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 6. EXT Master Mode
PORT2 (DSP) is used. Nothing should be connected to PORT1 (DIR).
The system clock should be connected to MCLK of PORT2. SDTI of PORT2 should be connected to SDTO of
DSP. The JP4(LRCK2) and JP3(BICK2)âs right side should be connected to LRCK and BICK of DSP.
Set up the jumper pins.
JP3
LRCK2
JP4
BICK2
JP5
MCLK
JP6
BICK
JP7
LRCK
JP8
SDTO
<KM086201>
-7-
2007/07
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