AT89STK-05 Atmel, AT89STK-05 Datasheet - Page 8

• Manufacturer Part Number: AT89STK-05
• Description: KIT STARTER FOR AT89C5131
• Manufacturer: Atmel

Specifications of AT89STK-05

• Main Purpose: *
• Embedded: *
• Utilized Ic / Part: AT89C5131
• Primary Attributes: *
• Secondary Attributes: *
• Processor To Be Evaluated: AT89C5131A
• Interface Type: RS-232, USB
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

3.1
3.2
AT89C5131A Starter Kit Software User Guide
Stand-alone
Application
C51 Generic
Board
Application
The purpose of the HID Keyboard demonstration program is to send numeric data via
the keypad through the AT89C5131A microcontroller to a host PC via USB.
The HID Keyboard demonstration program is used with the AT89C5131A board (Stand-
alone Application).
The AT89C5131A board can be used to transmit a message stored in the MCUs Flash
memory and display the message on a PC text editor.
This demonstrates the AT89C5131A microcontrollers “Plug & Play” and “Hotplug” capa-
bility for any USB application.
1. Ensure the USB cable is connected between the AT89C5131A evaluation board
2. Open the Notepad application or any text editor on the PC.
3. Click the INTO button of the AT89C5131A evaluation board. The message “Wel-
1. Plug the USB cable into the USB host socket on one end and to the
2. The PC Operating System may ask for a driver, specify the proper directory as
3. Open a calculator or a text editor. When the buttons of the C51 generic board
and the PC.
come to the HID keyboard” is displayed on the text editor.
AT89C5131A evaluation board on the other end.
The message “AT89C5131A demo” appears on the first line of the LCD.
The LED 0 of the AT89C5131A evaluation board blinks. This indicates that the
USB cable is correctly connected and the SOF messages are correctly sent by
the Host controller and understood by the AT89C5131A microcontroller.
indicated in the Section “Note on Windows Drivers” below.
Once the correct driver is loaded, the PC sends a “SET CONFIGURATION” USB
message and the “Enumeration Pass” message appears on the third line of the
LCD.
keypad are keyed, the number or the operation is displayed in the text editor or
calculator.
HID Keyboard Demonstration
Section 3
Program
Rev. 4246B–USB–11/04
3-7