STEPPER-MOTOR-RD
STEPPER MOTOR REFERENCE DESIGN KIT USER ’S GUIDE
1. Kit Contents
The Stepper Motor Reference Design Kit contains the following items:
„ Stepper Motor Reference Design Board
„ Stepper Motor
„ Universal AC to DC Power Adapter
„ USB Debug Adapter
„ USB Cable
„ Serial Cable
„ Reference Design Kit Tools & Documentation CD
2. Kit Overview
This reference design demonstrates a high-performance stepper motor system using the C8051F300/1. The
reference design provides for both stand-alone demo operation and UART control. The reference design may also
be used as a platform for stepper motor code development.
This User's Guide provides a step-by-step guide for getting your system up and running. Refer to the application
note “AN155: Stepper Motor Reference Design“ for complete documentation of the Stepper Motor Reference
Design.
Figure 1. Stepper Motor Reference Design Board
Rev. 0.1 5/06
Copyright © 2006 by Silicon Laboratories
STEPPER-MOTOR-RD
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4. HyperTerminal Demonstration
Start with the Demo Setup above and add an RS-232 cable connection to your computer as shown in Figure 3. The
RS-232 connection is used with a terminal program to provide a basic terminal interface for the stepper motor. If
your PC has USB and does not have a serial port, you may use the Silicon Laboratories CP2102 EK to provide a
virtual COM port connection.
Stepper
Motor
Serial Cable
PC
Stepper Motor
Reference Design
Board
J3
J1
P1
AC/DC
Adapter
Figure 3. Stepper Motor Reference Design Terminal Setup
Open the HyperTerminal application. The HyperTerminal program may be launched on most Windows XP systems
from the Start Menu:
Start→Programs→Accessories→Communications→HyperTerminal
Enter any name into the "Connection Description" dialog box is shown in Figure 4. In the "Connect To" dialog box,
choose the COM port corresponding to the Serial connection on your PC. In the Port Settings dialog box select
57600 baud and no flow control. Use the default settings of 8 data bits, no parity, and one stop bit.
Figure 4. Setting Up HyperTerminal
Rev. 0.1
3
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Push the Reset button on the Stepper Motor Reference Design Board. When reset, the Stepper Motor Reference
Design sends a ">" prompt character to the terminal. If you do not get a prompt character, check your port settings,
cable connections, and make sure the Stepper Motor Reference Design Board is powered.
The Stepper Motor Reference Design command line provides some basic terminal commands to display motor
status, change position, and change acceleration. Typing an “s” character immediately displays the motor status.
Typing a "p" followed by a number and a return moves the motor to the desired position. See “AN155: Stepper
Motor Reference Design“ for a detailed description of the command line interface.
Figure 5. Stepper Motor Command Line
4
Rev. 0.1
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5. Development Tool Installation
Install the Reference Design Kit Tools from the Reference Design Kit Tools & Documentation CD. This installs the
Silicon Laboratories IDE and the 2k code size limited version of the Keil Compiler.
Figure 6. Install Development Tools
Rev. 0.1
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