ST72321AR6 - STMicroelectronics

ST72321AR6 64/44-pin 8-bit MCU

. . . . . . . . . 7 2 PIN DESCRIPTION . . . . . . 8 3 REGISTER & MEMORY MAP . . . . . . . .

Features

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■ 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 retention: 40 years at 85°C Clock, Reset And Supply Management
  – Enhanced low voltage supervisor (LVD) for main supply and auxiliar voltage detector (AVD) with interrupt capability
  – Clock sources: crystal/ceramic resonator oscillators, internal RC oscillator and bypass for external clock
  – PLL for 2x frequency multiplication
  – Four Power Saving Mo.