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PICDEM ? FS USB User’s Guide
The software consists of the Microchip General Purpose USB Windows operating
system driver, mchpusb.sys , which allows a PC application to communicate directly
with the device’s endpoints. A set of user-friendly programming interfaces, the
MPUSBAPI Library, is also provided to allow easy application development.
The board comes preprogrammed with a default demo application and is ready for
evaluation right out of the box. New programs can be downloaded to the PIC18F4550
microcontroller using a preprogrammed bootloader via the USB interface. A PC-based
application, the PICDEM FS USB Demo Tool, facilitates the bootloading process and
serves as the host application in the default demonstration.
1.3.1
Benefits of Using the PICDEM FS USB Board
The PICDEM FS USB demonstration board provides two simple advantages:
A READY-TO-USE DEMONSTRATION: As delivered, the board is ready for full-speed
USB operation; all that is required is the proper driver (included) and the Demo Tool
application. Users can also reprogram the board with different applications, included on
the Starter Kit CD, to evaluate other USB solutions that can be tailored to their needs.
AN EXPANDABLE PLATFORM: Users can also expand the hardware capabilities of
the board through its expansion headers, and even interface it with available PICtail?
demonstration and evaluation daughter boards.
1.4
PICDEM FS USB BOARD HARDWARE FEATURES
The overall layout of the board is shown in Figure 1-1, with a list of the main features
following. The more complex features are discussed in detail later in this section.
FIGURE 1-1:
THE PICDEM? FS USB BOARD (TOP ASSEMBLY VIEW)
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1. Microcontroller: The 44-pin TQFP PIC18F4550 microcontroller (U2) is the
heart of the demonstration board, and provides all USB functionality on one chip.
Refer to the device data sheet (DS39632) for a complete discussion of the
microcontroller and its feature set.
2. ICE Interface Riser: The microcontroller is surrounded by a 44-pin pad (U5),
arranged as four groups of 11 on each side. These locations can be used to mount
a riser for interfacing with Microchip’s MPLAB ICE 2000/4000 emulator system.
DS51526B-page 8
? 2008 Microchip Technology Inc.
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DM163026 功能描述:开发板和工具包 - PIC / DSPIC L-Pow Sol Demo Brd RoHS:否 制造商:Microchip Technology 产品:Starter Kits 工具用于评估:chipKIT 核心:Uno32 接口类型: 工作电源电压:
DM163027-2 功能描述:Zigbee/802.15.4开发工具 PICDEM Z ZIGBEE BRD RoHS:否 制造商:Silicon Labs 产品:Development Kits 工具用于评估:EM35x 频率:2.4 GHz 接口类型:USB 工作电源电压:
DM163027-4 功能描述:Zigbee/802.15.4开发工具 PICDEM Z ZIGBEE BRD RoHS:否 制造商:Silicon Labs 产品:Development Kits 工具用于评估:EM35x 频率:2.4 GHz 接口类型:USB 工作电源电压:
DM163027-5 功能描述:Zigbee/802.15.4开发工具 PICDEM Z MRF24J40 2.4 GhZ Dev Kit RoHS:否 制造商:Silicon Labs 产品:Development Kits 工具用于评估:EM35x 频率:2.4 GHz 接口类型:USB 工作电源电压:
DM163027-5 制造商:Microchip Technology Inc 功能描述:PICDEM Z MRF24J40 2.4 GhZ Dev
DM163028 功能描述:开发板和工具包 - PIC / DSPIC PICDEM LCD Dev Kit RoHS:否 制造商:Microchip Technology 产品:Starter Kits 工具用于评估:chipKIT 核心:Uno32 接口类型: 工作电源电压:
DM163029 功能描述:开发板和工具包 - PIC / DSPIC PICDEM Mechatronics RoHS:否 制造商:Microchip Technology 产品:Starter Kits 工具用于评估:chipKIT 核心:Uno32 接口类型: 工作电源电压: