AKD4955-A Datasheet, PDF (20/89 Pages) Asahi Kasei Microsystems – AK4955 Evaluation Board Rev.3

[AKD4955-A]
■ Operation Overview
Function, register map and testing tool can be controlled by this control soft. These controls are selected by upper
tabs.
Buttons which are frequently used such as register initializing button “Write Default”, are located outside of the
switching tab window. Refer to the “■ Dialog Boxes” for details of each dialog box setting.
1. [Port Reset]: Click this button after the control soft starts up.
2. [Write Default]: Initializes Registers
When the device is reset by a hardware reset, use this button to initialize the registers.
3. [All Write]: Executes write commands for all registers displayed.
4. [All Read]: Executes read commands for all registers displayed.
5. [Save]: Saves current register settings to a file.
6. [Load]: Executes data write from a saved file.
7. [All Req Write]: Opens “All Req Write” dialog box.
8. [Data R/W]: Opens “Data R/W” dialog box
9. [Sequence]: Opens “Sequence” dialog box.
10. [Sequence(File)]: Opens “Sequence(File)” dialog box.
11. [Read]: Reads current register settings and displays on to the register area (on the right of the main window).
This is different from [All Read] button, it does not reflect to a register map, only displaying register
settings in hexadecimal.
12. [READ:Disable/Enable]: The register setting of [READ].
READ: Read function enable.
0: Disable < Default >
1: Enable
13. [Dummy Command]: The dummy command is written (Note 18).
Note 18. The AK4955 should be reset by the PDN pin after the power supplies are applied.
After that, “Dummy Command” should be executed.
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2011/08