AKD4673-A Datasheet, PDF (3/48 Pages) Asahi Kasei Microsystems – stereo CODEC with built-in MIC/HP amplifier and TSC

[AKD4673-A]
Evaluation mode
In case of AK4673 evaluation using AK4114, it is necessary to correspond to audio interface format for
AK4673 and AK4114. About AK4673’s audio interface format, refer to datasheet of AK4673. About
AK4114’s audio interface format, refer to Table 2 in this manual.
Evaluation of CODEC
(1) External Slave Mode
(1-1) Evaluation of A/D using DIT of AK4114
(1-2) Evaluation of D/A using DIR of AK4114
(1-3) Evaluation of Loop-back using AK4114 <default>
(1-4) Evaluation of Loop-back that master clock is fed externally, BICK and LRCK are divided with a
board
(2) External Master Mode
(2-1) Evaluation of A/D using DIT of AK4114
(2-2) Evaluation of D/A using DIR of AK4114
(2-3) Evaluation of Loop-back using AK4114
(2-4) Evaluation of Loop-back that master clock is fed externally
(3) PLL Slave Mode
(3-1) PLL Reference Clock : MCKI pin
(3-1-1) Evaluation of A/D, D/A using PORT3 (DSP)
(3-1-2) Evaluation of Loop-back that master clock is fed externally, BICK and LRCK are divided
with a board
(3-2) PLL Reference Clock : BICK or LRCK pin
(3-2-1) Evaluation of A/D using DIT of AK4114
(3-2-2) Evaluation of D/A using DIR of AK4114
(3-2-3) Evaluation of Loop-back using AK4114
(4) PLL Master Mode
(4-1) Evaluation of Loop-back using AK4114
(4-2) Evaluation of Loop-back that master clock is fed externally
(4-3) Evaluation of Internal Loop-back using clock is fed externally
Evaluation of TSC
(1) Position, Pen Pressure
<KM086000>
-3-
2007/5