W79E2051RARG 8051 Core Microcontroller, 2KB FLASH, UART/USART, SSOP
Microcontroller,
8-bit Microcontroller with an in-system programmable flash
W79E2051RASG 8051 Microcontroller, 2KB FLASH, 17 I/Os, UART, USART, SOIC
W79E2051ARG 8051 Core UART/USART Microcontroller, 2KB FLASH, 17 I/Os, SSOP
