ASAHI KASEI
[AKD4140-B]
<KM079203>
2009/10
- 1 -
GENERAL DESCRIPTION
The AKD4140-B is the evaluation board for the AK4140, BTSC decoder. The AKD4140-B has AKM’s D/A
as analog output and AKM’s DIT as digital (S/PDIF) output.
Ordering guide
AKD4140-B --- Evaluation board for AK4140
(A cable for connecting with printer port of IBM-AT compatible PC
and a control software are packed with this. The control software
does not operate on Windows NT.)
FUNCTION
Digital interface
-S/PDIF
1 channel output (Optical or BNC)
- Serial audio data I/F
1 input/output port (10-pin port)
-Serial control data I/F
1 input/output port (10-pin port)
ROUT
SIF
AK4140
Serial Data
In/Out
Control
5V
GND
LOUT
TX
Opt
REG
3.3V
AK4386
(DAC)
AK4103A
(DIT)
Analog Out
S/PDIF Out
Figure 1. AKD4140-B Block Diagram
*Circuit diagram and PCB layout are attached at the end of this manual.
AK4140 Evaluation Board Rev.2
AKD4140-B
