AKD4554 Datasheet, PDF (5/27 Pages) Asahi Kasei Microsystems – Evaluation board Rev.0 for AK4554

ASAHI KASEI
[AKD4554]
5) Evaluation of A/D using DIT. (Optical link)
PORT2 (TOTX141) is used. DIT generates audio bi-phase signal from received data and which is output
through optical connector (TOTX141). It is possible to connect AKM’s D/A converter evaluation boards
on the digital-amplifier, which equips DIR input.
JP4
MCLK
JP5
SCLK
JP6
LRCK
JP7
SDTI
DIR ADC
6) All interfacing signals (MCLK, SCLK, LRCK) are fed from the external circuit through PORT3.
Under the following set-up, all external signals needed for the AK4554 to operate could be fed through
PORT3.
JP4
MCLK
JP5
SCLK
JP6
LRCK
JP7
SDTI
DIR ADC
<KM077900>
-5-
2005/03