设为首页 网站地图 加入收藏

我的课程
公告
没有公告!
主办机构
批准单位
中华人民共和国信息产业部
主持单位
信息产业部软件与集成电路产业促进中心
承办单位
中电网信息技术有限公司
联合大学
mbed-Xpresso Baseboard 售价:RMB550元
Hardware
• Dimensions of 115 X 155 mm2
• Two layer PCB (FR-4 material)
Power
  • Power supply: DC 7.5V with power LED
  • On-board linear regulators generate +3.3V/500mA and +5v/500mA from power supply
  • USB connector ( as alternate power source)
Connectors
  • Extension headers for all microcontroller pins
  • Two RS232 port connectors
  • VGA connector
  • PS/2 connector
  • JTAG connector
  • SD/MMC connector
  • RJ45 connector
  • USB B-type connector
  • All peripheral configurable via jumpers
Other Peripherals
  • 256Kb I2C based EEPROM
  • Audio power amplifier with audio jack
  • 2 line X 16 character LCD with back light control
  • Manual program download using serial port (ISP-In System Programming)
LPCXpresso Base Board 售价:RMB1100元
LPCXpresso Base Board
Common features Socket for LPCXpresso and mbed module
50 pin expansion dual row pin list connector (male, 100mil pitch) for simple connection external designs and to a logic analyzer
50 pin expansion dual row header connector (female, 100mil pitch) for simple connection to breadboard
Battery powering (small coin battery)
USB interface
Reset pushbutton
Digital IO RGB-LED (can be PWM controlled)
5-key joystick switch
2 pushbuttons, one for activating bootloader
Rotary switch with quadrature encoding (timer capture)
Temperature sensor with PWM output (timer capture)
Analog IO Trimming potentiometer input (analog input)
PWM to analog LP-filtering (PWM output and analog input)
Speaker output (PWM output)
Oscilloscope probe inout stage
Serial bus - SPI Shift register driving 7-segment LED
SD/MMC memory card interface
Dataflash SPI-NOR flash
Serial bus - I2C PCA9532 port expander connected to 16 LEDs
8kbit E2PROM
MMA7455L accelerometer with I2C interface
Light sensor
Serial bus - I2C/SPI shared SC16IS752 - I2C/SPI to 2xUART bridge; connected to RS232 full-modem interface and one expansion UART
96x64 pixel white OLED (alternative I2C/SPI interface)
Serial bus - UART USB-to-serial bridge, with automatic ISP activation
RS422/485 interface
Interface socket for XBee RF-module
Specific LPC1768 (incl mbed) support CAN bus interface (can be simulated with LPCXpresso LPC1114/LPC1343)
Ethernet RJ45 connector with integrated magnetic
Dimensions 150 x 180 mm
Power Powered via USB (+5V)