【Atmel】AT89S51-24PI,IC 8051 MCU 4K FLASH 40-DIP
【Atmel】AT89S51-24PU,IC MCU 4K FLASH 24MHZ 40-DIP
【Atmel】AT89S51-W,8-bit Microcontrollers (MCU) Microcontroller
【Atmel】AT89S52-24AC,IC MCU 8K FLASH 24MHZ 44-TQFP
【Atmel】AT89S52-24AI,IC MCU 8K FLASH 24MHZ 44-TQFP
【Atmel】AT89S52-24AU,IC MCU 8K FLASH 24MHZ 44-TQFP
AT89S52-24AUR,IC MCU 8BIT 8KB FLASH 44TQFP
【Atmel】AT89S52-24JC,IC MCU 8K FLASH 24MHZ 44-PLCC