Manufacturer Part Number
AT91SAM7L128-AU
Manufacturer
Microchip Technology
Introduction
The AT91SAM7L128-AU is a high-performance embedded microcontroller from the SAM7L series, designed with an ARM7® core processor.
Product Features and Performance
Core Processor: ARM7®
Core Size: 16/32-Bit
Speed: 36MHz
Connectivity: I2C, SPI, UART/USART
Peripherals: Brown-out Detect/Reset, LCD, POR, PWM, WDT
Program Memory Size: 128KB FLASH
RAM Size: 6K x 8
Voltage Supply: 1.55V ~ 1.8V
Data Converters: 4x10b A/D
Oscillator Type: Internal
Operating Temperature: -40°C ~ 85°C
Mounting Type: Surface Mount
Package: 128-LQFP (20x14)
Product Advantages
Low power consumption
Integrated LCD controller for display purposes
Large number of I/O pins (80) for versatile connectivity
High-resolution ADC converters for accurate data acquisition
Key Technical Parameters
Speed: 36MHz
Number of I/O: 80
Operating Voltage: 1.55V to 1.8V
Operating Temperature Range: -40°C to 85°C
Quality and Safety Features
Brown-out Detect/Reset for system stability
Power-on Reset (POR) for reliable startup
Watchdog Timer (WDT) to prevent system hang-up
Compatibility
Compatible with various I2C, SPI, and UART/USART devices
Suitable for surface mount technology applications
Application Areas
Industrial control systems
Portable devices
Power management systems
Real-time control applications
Product Lifecycle
Obsolete status
Potential availability of replacements or upgrades upon inquiry
Several Key Reasons to Choose This Product
Advanced ARM7® core processor offers powerful computing capabilities
Dedicated peripherals enhance system functionality and performance
Low power consumption suitable for battery-operated applications
High number of I/O expandability options
Designed for broad operating temperature suitable for harsh environments