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ST72321BXXX-AUTO Даташит - ST-Microelectronics

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Description
The ST72F321B-Auto Flash and ST72321B-Auto ROM devices are members of the ST7 microcontroller family designed for mid-range automotive applications. Different package options offer up to 48 I/O pins.
All devices are based on a common industry-standard 8-bit core, featuring an enhanced instruction set and are available with Flash or ROM program memory. The ST7 family architecture offers both power and flexibility to software developers, enabling the design of highly efficient and compact application code.

Features
Memories
■ 32 to 60 Kbyte dual voltage High Density Flash (HDFlash) ROM with readout protection capability. In-application programming and incircuit programming for HDFlash devices
■ 1 to 2 Kbyte RAM
■ HDFlash endurance: 100 cycles, data retention 20 years

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
■ 4 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)

1 analog peripheral (low current coupling)
■ 10-bit ADC with up to 16 input ports

Up to 48 I/O ports
■ 48/32/24 multifunctional bidirectional I/O lines
■ 34/22/17 alternate function lines
■ 16/12/10 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 1 timer, PWM and pulse generator modes
■ 8-bit PWM auto-reload timer with 2 input captures, 4 PWM outputs, output compare and time base interrupt, external clock with event detector

3 communications interfaces
■ SPI synchronous serial interface
■ SCI asynchronous serial interface
■ I2C multimaster interface

Development tools
■ Full HW/SW development pkg, ICT capability

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Номер в каталоге
Компоненты Описание
PDF
производитель
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