电子计数式简易多功能计数器的原理、设计、应用及误差特性。本计数器以ATmega128单片机为控制核心，由FPGA模块、键盘输入模块、液晶显示模块、温度测量模块等功能模块组成，实现了周期、频率、时间间隔的测量等功能。-Achieve multi-counter, you would like to have more detailed

AVR Core Version 8 (Free). JTAG Programmer is fully compatible with one used in the Atmega128. So you may use Atmel s JTAG ICE to write/read "flash"(program memory) or "EEPROM". Free version of the core doesn t include JTAG OCD module.-AVR Core Ver