8-Bit 33MHz FLASH MCU, 8051 Core, VQFN, SPI, I2C
8-Bit 33MHz 8051 MCU, 8KB FLASH, I2C/SPI/USART, VQFN
8-Bit 33MHz FLASH MCU, 4KB, 256B RAM, VQFN, SPI/I2C/USART
8051 CPU with 8kB Memory, 16-Bit ADC, Current DAC, and On-Chip Oscillator 36-VQFN -40 to 125
