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ST72321BJ9

STMicroelectronics
Part Number ST72321BJ9
Manufacturer STMicroelectronics
Description 64/44-pin 8-bit MCU
Published Feb 22, 2015
Detailed Description ST72321BRx, ST72321BARx ST72321BJx, ST72321BKx 64/44-pin 8-bit MCU with 32 to 60K Flash/ROM, ADC, five timers, SPI, SCI,...
Datasheet PDF File ST72321BJ9 PDF File

ST72321BJ9
ST72321BJ9

Overview
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 frequency multiplication – Four Power Saving Modes: Halt, Active-Halt, Wait and Slow ■ Interrupt Management – Nested interrupt controller – 14 interrupt vectors plus TRAP and RESET – Top Level Interrupt (TLI) pin on 64-pin devices – 15/9 external interrupt lines (on 4 vectors) ■ Up to 48 I/O Ports – 48/32/24 ...


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