ST72321BAR7 Datasheet | STMicroelectronics

ST72321BRx, ST72321BARx ST72321BJx, ST72321BKx 64/44-pin 8-bit MCU with 32 to 60K Flash/ROM, ADC, five timers, SPI, SCI, I2C interface Features - Memories - 32K to 60K dual voltage High Density Flash (HDFlash) or ROM with read-out protection capability. In-Application Programming and In-Circuit Programming for HDFlash devices - 1K to 2K RAM - HDFlash endurance: 100 cycles, data reten- tion: 40 years at 85°C - Clock, Reset And Supply Management - Enhanced low voltage supervisor (LVD) for main supply and auxiliary voltage detector (AVD) with interrupt capability - Clock sources: crystal/ceramic resonator oscillators, internal RC oscillator and bypass for external clock - PLL for 2x...