- 20 MHz crystal
- Serial port connector/interface (for demonstration of migration from legacy applications)
- Connection to the MPLAB® ICD 2 In Circuit Debugger
- Voltage regulation, with the ability to switch from external power supply to USB bus supply
- Expansion connector, compatible with the PICtail™ daughter boards standard
- Temperature sensor TC77 (connected to the SPI bus)
- Potentiometer (connected to RA0 input) for A/D conversion demonstrations
- 2 LEDs for status display
- 2 input switches
- Reset button
Overview
The PICDEM™ FS-USB is a demonstration and evaluation board for the PIC18F4550 family of Flash microcontrollers with full speed USB 2.0 interface.
The board contains a PIC18F4550 microcontroller in a 44-pin TQFP package, representing the superset of the entire family of devices offering the following features:
- 48 MHz maximum operating speed (12 MIPS)
- 32 Kbytes of Enhanced Flash memory
- 2 Kbytes of RAM (of which 1 Kbyte dual port)
- 256 bytes of data EEPROM
- Full Speed USB 2.0 interface (capable of 12 Mbit/s data tranfers), including FS-USB transceiver and voltage regulator
The board comes pre-loaded with a USB bootloader that demonstrates the Enhanced Flash memory capabilities of the device. The PIC18F4550 can be re-programmed in circuit without an external programmer.
A CD-ROM is also included in the kit which contains full documentation about the board, application notes and software libraries for support of the HID, CDC and custom classes.
For more information on the applications, tools and software libraries please refer to the USB Design Center on the Microchip web site.