NuEdu-SDK-NUC240 User ManualMay. 26, 2014 2 of 33 Rev. 1.00Table of Contents1 Overview........................................................................................... 42 NuEdu SDK Board Introduction ............................................................ 72.1 Block Diagram ........................................................................................ 92.2 Board Interpretation.............................................................................. 112.3 System Configuration ............................................................................ 112.4 PCB Placement ..................................................................................... 133 Starting to Use NuEdu-SDK-NUC240.................................................... 143.1 System Requirements ........................................................................... 143.2 Hardware Setup .................................................................................... 143.3 Starting to Use NuEdu-SDK-NUC240 on the Keil μVision® IDE ................... 143.4 Starting to Use NuEdu-SDK-NUC240 on the IAR Embedded Workbench ....... 163.5 Nu-Bridge Setup ................................................................................... 163.6 Downloading NuEdu-SDK-NUC240 BSP .................................................... 174 Pin Description .................................................................................. 185 NuEdu-EVB-NUC240 Schematics ......................................................... 205.1 NUC240 MCU........................................................................................ 205.2 Nu-Link-Me .......................................................................................... 215.3 Interface Connector .............................................................................. 225.4 Crystal ................................................................................................ 225.5 Reset .................................................................................................. 235.6 ICE Interface ........................................................................................ 235.7 LED ..................................................................................................... 235.8 USB .................................................................................................... 235.9 Power Supply ....................................................................................... 245.10 MCU External Connector ........................................................................ 246 NuEdu-Basic01 Schematics ................................................................. 266.1 Interface Connection ............................................................................. 266.2 SPI Flash ............................................................................................. 266.3 I2C EEPROM ......................................................................................... 276.4 ADC and comparator ............................................................................. 276.5 PWM and DAC to ADC............................................................................ 286.6 PWM Capture ....................................................................................... 286.7 Timer Capture ...................................................................................... 296.8 CIR TX and RX...................................................................................... 296.9 Buzzer ................................................................................................. 306.10 Interrupt Button ................................................................................... 306.11 RGB LED by PWM driver......................................................................... 30