... , DRAM, SRAM, ROM, MCU, FIFO, FILO, semiconductor memory , Flash Memory, controller , microcontroller, real-time clock, power module, memory, ASIC, microprocessors, motherboard programmer, interrupt, usb ... specific integrated circuit, assembly language, the simulation apparatus, embedded system, digital circuit, embedded system development, memory, TTL level, MCS51, electronic counter, SCM technology ...