AKD4673-A Datasheet, PDF (9/48 Pages) Asahi Kasei Microsystems – stereo CODEC with built-in MIC/HP amplifier and TSC

[AKD4673-A]
(3-2) PLL Reference Clock : BICK or LRCK pin
AK4673
MCKO
MCKI
BICK
LRCK
SDTO
SDTI
32fs or 64fs
1fs
DSP or μP
BCLK
LRCK
SDTI
SDTO
Figure 5. PLL Slave Mode 2 (PLL Reference Clock: BICK pin)
AK4673
MCKO
MCKI
BICK
LRCK
SDTO
SDTI
≥ 32fs
1fs
DSP or μP
BCLK
LRCK
SDTI
SDTO
Figure 6. PLL Slave Mode 2 (PLL Reference Clock: LRCK pin)
(3-2-1) Evaluation of A/D using DIT of AK4114
X1 (X’tal) and PORT2 (DIT) are used. Nothing should be connected to PORT1 (DIR), PORT3 (DSP) and J11
(EXT).
The jumper pins should be set as the following.
JP14
EXT
JP15
MCLK
DIR
EXT
JP18
JP21
JP22
JP19
BICK_SEL LRCK_SEL 4114_MCKI PHASE
DIR 4040 DIR 4040
THR INV
* The AK4114 operates at fs of 32kHz or more. If the fs is slower than 32kHz, this evaluation mode can’t be used.
<KM086000>
-9-
2007/5