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ST72F521R9T3
8-BIT MCU WITH NESTED INTERRUPTS, FLASH, 10-BIT ADC, FIVE TIMERS, SPI, SCI, I2C, CAN INTERFACE
May 2005 1/215
Rev. 5
ST72F521, ST72521B80/64-PIN 8-BIT MCU WITH 32 TO 60K FLASH/ROM, ADC,
FIVE TIMERS, SPI, SCI, I2 C, CAN INTERF ACE
Memories 32K to 60K dual voltage High Density Flash(HDFlash) or ROM with read-out protectioncapability. In-Application Programming andIn-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) formain supply and auxiliary voltage detector(AVD) with interrupt capability Clock sources: crystal/ceramic resonator os-cillators, internal RC oscillator and bypass forexternal 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 15 external interrupt lines (on 4 vectors)
Up to 64 I/O Ports 48 multifunctional bidirectional I/O lines 34 alternate function lines 16 high sink outputs
5 Timers Main Clock Controller with: Real time base,Beep and Clock-out capabilities Configurable watchdog timer Two 16-bit timers with: 2 input captures, 2 out-put compares, external clock input on one tim-er, PWM and pulse generator modes 8-bit PWM Auto-Reload timer with: 2 inputcaptures, 4 PWM outputs, output compareand time base interrupt, external clock withevent detector
4 Communications Interfaces SPI synchronous serial interface SCI asynchronous serial interface 2 C multimaster interface (SMbus V1.1 compliant) CAN interface (2.0B Passive)
Analog periperal (low current coupling) 10-bit ADC with 16 input robust input ports
Instruction Set 8-bit Data Manipulation 63 Basic Instructions 17 main Addressing Modes 8 x 8 Unsigned Multiply Instruction
Development Tools Full hardware/software development package In-Circuit Testing capability
Device Summary
