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ST72F321

ST Microelectronics
Part Number ST72F321
Manufacturer ST Microelectronics
Description 64/44-PIN 8-BIT MCU
Published Jul 11, 2006
Detailed Description www.DataSheet4U.com ST72321 64/44-PIN 8-BIT MCU WITH 32 TO 60K FLASH/ROM, ADC, FIVE TIMERS, SPI, SCI, I2C INTERFACE ■ ...
Datasheet PDF File ST72F321 PDF File

ST72F321
ST72F321

Overview
www.
DataSheet4U.
com ST72321 64/44-PIN 8-BIT MCU WITH 32 TO 60K FLASH/ROM, ADC, FIVE TIMERS, SPI, SCI, I2C INTERFACE ■ ■ ■ ■ ■ ww.
DataSheet4U.
com 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: 20 years at 55°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, clock security system 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 external interrupt lines (on 4 vectors) Up to 48 I/O Ports – 48/32 multifunctional bidirectional I/O lines – 34/22 alternate function lines – 16/12 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 output compares, external clock input on one timer, PWM and pulse generator modes – 8-bit PWM Auto-reload timer with: 2 input captures, 4 PWM outputs, output compare and ST72F321 (R/AR/J)9 Flash 60K 2048 (256) TQFP64 14 x 14 TQFP64 10 x 10 TQFP44 10 x 10 ■ ■ time base interrupt, external clock with event detector 3 Communications Interfaces – SPI synchronous serial interface – SCI asynchronous serial interface – I2C multimaster interface 1 Analog peripheral – 10-bit ADC with up to 16 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 c...


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