ST72521B Datasheet (STMicroelectronics)

ST72521B, 80/64-PIN 8-BIT MCU

8 3 REGISTER & MEMORY MAP .

14 4 FLASH PROGRAM MEMORY .

ST72F521, ST72521B 80/64-PIN 8-BIT MCU WITH 32 TO 60K FLASH/ROM, ADC, FIVE TIMERS, SPI, SCI, I2C, CAN INTERFACE 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: 20 years at 55°C Clock, Reset And Supply Management Enhanced low voltage supervisor (LVD) for

ST72521B Features

* Program memory - bytes RAM (stack) - bytes Operating Voltage Temp. Range Package ST72F521(M/R/AR)9 Flash 60K 2048 (256) TQFP80 14x14 (M), TQFP64 14x14 (R), TQFP64 10x10 (AR) ST72F521(R/AR)6 ST72521B(M/R/AR)9 Flash 32K ROM 60K 1024 (256) 2048 (256) 3.8V to 5.5V up to -40°C to +125 °C TQFP64