AN1921 Motorola / Freescale Semiconductor, AN1921 Datasheet - Page 2

• Manufacturer Part Number: AN1921
• Description: AN1921 General DSP568xx Interface Examples using the Embedded SDK
• Manufacturer: Motorola / Freescale Semiconductor

LCD and Keypad User Interface Description
2
The keypad is a membrane-encased, low-cost touch pad and is shown in
All examples described here use the Motorola DSP56824 EVM board, illustrated in
board provides a developer with the means of both learning to know the processor featured and the
capability to prototype designs. The board provides both PC parallel port and JTAG interfaces for
software development.
Figure 1. NetMedia’s 4x20 LCD Device with RS-232 Serial and Keypad Support
Figure 2. Low Cost Membrane Covered 4x4 Keypad that Interfaces to LCD+
Interface Examples Using the Embedded SDK
Figure
2.
Figure
3. The