AKD4648-C Datasheet, PDF (3/71 Pages) Asahi Kasei Microsystems – stereo CODEC with MIC/HP/SPK amplifier

[AKD4648-C]
„ Evaluation mode
In case of AK4648 evaluation using AK4115, it is necessary to correspond to audio interface format for
AK4648 and AK4115. About AK4648’s audio interface format, refer to datasheet of AK4648. About
AK4115’s audio interface format, refer to Table 2 on page 11 in this manual.
Sampling frequency (fs) of AK4115 is 22kHz or more. If the fs is slower than 22kHz, please use other mode.
In addition, MCLK of AK4115 supports 256fs and 512fs. When evaluating it in a condition except this,
please use other mode.
(1) External Slave Mode
(1-1) Evaluation of A/D using DIT of AK4115
(1-2) Evaluation of D/A using DIR of AK4115
(1-3) Evaluation of Loop-back using AK4115 <Default>
(1-4) All interface signals are fed externally
(2) External Master Mode
(2-1) Evaluation of A/D using DIT of AK4115
(2-2) Evaluation of D/A using DIR of AK4115
(2-3) Evaluation of Loop-back using AK4115
(2-4) All interface signals are fed externally
(3) PLL Slave Mode
(3-1) Reference Clock : MCKI pin
(3-1-1) Evaluation of A/D using DIT of AK4115
(3-1-2) Evaluation of Loop-back using AK4115
(3-1-3) All interface signals are fed externally
(3-2) Reference Clock : BICK or LRCK pin
(3-2-1) Evaluation of A/D using DIT of AK4115
(3-2-2) Evaluation of D/A using DIR of AK4115
(3-2-3) Evaluation of Loop-back using AK4115
(3-2-4) All interface signals are fed externally
(4) PLL Master Mode
(4-1) Evaluation of A/D using DIT of AK4115
(4-2) Evaluation of Loop-back using AK4115
(4-3) All interface signals are fed externally
<KM088701>
-3-
2007/04