AKD4705-A Datasheet, PDF (1/42 Pages) Asahi Kasei Microsystems – 2ch DAC with AV SCART switch

ASAHI KASEI
[AKD4705-A]
AKD4705-A
AK4705 Evaluation Board Rev.0
GENERAL DESCRIPTION
AKD4705-A is an evaluation board for quickly evaluating the AK4705, 2ch DAC with AV SCART switch.
Evaluation requires audio/video analog analyzers/generators, a digital audio signal source, and a power
supply. AKM’s ADC evaluation board can be also used for the audio source. Also included is a AK4112B
digital audio interface receiver which receives S/PDIF compatible audio data. The digital audio data is
available via optical connector or BNC.
AKD4705-A ---
AK4705 Evaluation Board
(Cable for connecting with printer port of IBM-AT compatible PC
and a control software are enclosed with board. This control software dose not
support Windows NT.)
FUNCTION
 BNC connectors for analog audio input/output
 BNC connectors for analog video input/output
 On-board clock generator
 BNC connector for an external clock input
 Compatible with 2 types of digital interface
1. Serial interface: Direct interface with evaluation boards for AKM’s A/D converter evaluation boards.
2. S/PDIF: On-board AK4112BVF as DIR that accepts optical input or BNC input
 10pin header for serial control interface
PORT3
µ P- IF
Control Data
10pin Heder
Port1
AD DATA
ROM DATA
10pin Header
(Digital)
D5V
VVD2 VVD1
+5V
JP10
JP11
JP8
+12V
Reg.
JP9
Gnd
JP2~ 5
RX
PORT2
Opt In
J1
EXT
VC
RV
OU
VC
RC
TV
RC
JP6
DIR
µ
JP1
RF
Clock
Generator
TV
FB
TV
VO
TV
JP12
AK4705
TV
ENCB ENCRC ENCV TVVIN
VCRFB
VCRG
MO
NO
OU
TV
OU
TV
OU
VC
RO
UT
VC
RO
UT
TVI
NL
TVI
NR
VC
RI
VC
RI
ENCG
ENCC ENCY VCRVIN VCRRC
VCRB
VCRSB
TVSB
Figure 1. AKD4705-A Block Diagram
Circuit diagram and PCB layout are attached at the end of this manual.
<KM078601>
-1-
2006/08