ST72321M6 ST72321M9 80-pin 8-bit MCU with 32 to 60 Kbytes Flash, ADC, five timers, SPI, SCI, I2C interface Features ■ ■ ■ ■ ■ Memories – 32 Kbytes to 60 Kbytes dual voltage High Density Flash (HDFlash) with read-out protection capability.
In-application programming and In-circuit programming.
– 1 Kbyte to 2 Kbytes RAM – HDFlash endurance: 100 cycles at 85 °C; data retention: 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 frequency multiplicatio...

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