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PDF AKD4712-A Data sheet ( Hoja de datos )
| Número de pieza | AKD4712-A | |
| Descripción | Evaluation Board Rev.0 | |
| Fabricantes | AKM | |
| Logotipo |  |
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[AKD4712-A]
AKD4712-A
AK4712 Evaluation Board Rev.0
GENERAL DESCRIPTION
AKD4712 is an evaluation board for quickly evaluating the AK4712, a High Definition A/V cap-less line
driver.
Evaluation requires audio/video analog analyzer/generator and a power supply.
Ordering guide
AKD4712-A --- AK4712 Evaluation Board
(Control software and USB cable are included in this package.)
FUNCTION
• RCA connectors for analog audio output
• XLR connectors for analog audio input
• RCA connectors for SD/HD video input/output
• USB connector for serial control interface
+5V
+5V→＋3.3V
Regulator
+5V→＋3.3V
Regulator
VSS VSS2
VD1
VD2 VVD
AINL+
AINL-
AINR+
AINR-
ENCRCA
ENCPb
ENCPr
ENCY
AK4712
USB
PORT
5.0V
PIC18F4550
Regulator
3.3V
TVOUTL
TVOUTR
RCAVOUT
HDPb
HDPr
HDY
<KM111300>
Figure 1. AKD4712 Block Diagram
※Circuit diagram and PCB layout are attached at the end of this manual.
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[AKD4712-A]
Control Software Manual
■ Evaluation Board and Control Software Settings
1. Set up the evaluation board as needed, according to the previous terms.
2. Connect the evaluation board to a PC with USB cable.
USB control is recognized as HID (Human Interface Device) on PC.
When it is not recognized properly, please reconnect the evaluation board to PC.
3. Insert the CD-ROM labeled “AKD4712-A Evaluation Kit” into the CD-ROM drive.
4. Access the CD-ROM drive and double-click the icon “akd4712-A.exe” to open the control program.
5. Begin evaluation by following the procedure below.
[Supported OS]
Windows 2000 / XP
64bit OS is not supported.
Windows 95 / 98 / Me / NT are not supported.
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[AKD4712-A]
2-1. [Repeat Test]: Repeat Test Dialog
Click the [Repeat Test] button in the Tool tab to open the repeat test dialog shown below.
A write repeat test can be executed by this dialog.
Figure 6. [Repeat Test] window
[Start] Button
: Start repeat test.
A dialog for saving a file of the test result will open when this button is clicked.
Name the file.
Test will start after inserting a filename.
[Close] Button
: Close dialog and finish process.
[Address] Box
: Input write data address in hexadecimal numbers.
[Start Data] Box : Input start data in hexadecimal numbers.
[End Data] Box
: Input end data in hexadecimal numbers.
[Step] Box
: Input data write step interval.
[Repeat Count] Box : Input number of repeat cycles for the test writing.
[Up and Down] Box : Data write flow is changed as below.
• Checked: Writes in step interval from the start data to the end data and turns back at the end data to the
start data.
[Example] Start Data = 00, End Data = 05, Step = 1, [ ]…for 1 count.
Data flow: [00→01→02→03→04→05→05→04→03→02→01→00] x Repeat Count Number
• Not checked: Writes in step interval from the start data to the end data and finishes writing.
[Example] Start Data = 00, End Data = 05, Step = 1, [ ]…for 1 count.
Data flow: [00→01→02→03→04→05] x Repeat Count Number
[Sampling Frequency] Box: Select sampling frequency from 44.1kHz/48kHz
[Count] Box
: Indicates the count number during a repeat test.
[Lch Level] Box : Indicates the Lch Level during a repeat test.
<KM111300>
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11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet AKD4712-A.PDF ] | |
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