Part Number: ST72F521AR6T6 Manufacturer: STMicroelectronics Description: Microcontrollers (MCU) ST72F521 ST72521B 8B MCU Download Data Sheet Docket: ST72F521, ST72521B 80/64-PIN 8-BIT MCU WITH 32 TO 60K FLASH/ROM, ADC, FIVE TIMERS, SPI, SCI, I2C, ...