8051 MCU, 2K FRAM, 64K FLASH, QFP64; Controller Family/Series:(8051) 8052; Core Size:8bit; No. of I/O's:56; Program Memory Size:64KB; RAM Memory Size:4KB; CPU Speed:40MHz; Oscillator Type:External, Internal; No. of Timers:8; No. of PWM Channels:8; Digital IC Case Style:QFP; Supply Voltage Range:3V to 3.6V; Operating Temperature Range:-40°C to +85°C; No. of Pins:64; Clock Frequency:40MHz; Flash Memory Size:64KB; Interface:I2C, SPI, UART; Interface Type:SPI, I2C, UART; Memory Size:2KB; No. of I/O's:56; Package / Case:QFP; Peripherals:POR; Supply Voltage Max:3.6V; Supply Voltage Min:3V; Termination Type:SMD