ATMEL atmega88 datasheet, atmega88 is 8bit microcontroller

USBasp is a USB in-circuit programmer for Atmel AVR controllers. It simply consists of an ATMega88 or an ATMega8 and a couple of passive components. The programmer uses a firmware-only USB driver, no special USB controller is needed.

atmega88+ltc485实现串口通讯，发送字符或者字符串-atmega88+ltc485 usart