AKD4633-A Datasheet, PDF (6/38 Pages) Asahi Kasei Microsystems – 16bit mono CODEC with MIC/SPK amplifier.

ASAHI KASEI
[AKD4633-A]
b) Set up jumper pins of FCK clock
When an external clock through a RCA connector J9 (FCK) is supplied, select EXT on JP22 (FCK_SEL). JP24
(EXT2) and R27 should be properly selected in order to match the output impedance of the clock generator.
JP28
FCK
JP22
FCK_SEL
DIR ADC
2fs 1fs EXT
c) Set up jumper pins of DATA
When the AK4633VN is evaluated by loop-back mode (A/D → D/A), the jumper pins should be set to the
following.
JP30
SDTI
JP26
4633_SDTI
DIR
ADC
DAC/LOOP ^ADC
<KM079406>
-6-
2007/04