AT91SAM7A3-AU
- Mfr.Part #
- AT91SAM7A3-AU
- Manufacturer
- Microchip Technology
- Package / Case
- 100-LQFP
- Datasheet
- Download
- Description
- IC MCU 16/32B 256KB FLSH 100LQFP
- Stock
- 881
- In Stock :
- 881
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- Manufacturer :
- Microchip Technology
- Product Category :
- Microcontrollers
- Number of Bits :
- 32
- Mounting Type :
- Surface Mount
- Number of Pins :
- 100
- RoHS Status :
- ROHS3 Compliant
- Reach Compliance Code :
- Unknown
- Core Processor :
- ARM7®
- Additional Feature :
- ALSO REQUIRES 3.3V SUPPLY
- Data Bus Width :
- 32b
- Terminal Position :
- QUAD
- JESD-30 Code :
- S-PQFP-G100
- Program Memory Type :
- Flash
- Max Frequency :
- 60MHz
- DAC Channels :
- No
- uPs/uCs/Peripheral ICs Type :
- MICROCONTROLLER, RISC
- Speed :
- 60MHz
- ROM (words) :
- 65536
- Operating Temperature :
- -40°C~85°C TA
- Base Part Number :
- AT91SAM7
- Peak Reflow Temperature (Cel) :
- 260
- Terminal Pitch :
- 0.5 mm
- Frequency :
- 20MHz
- Has ADC :
- yes
- Max Operating Temperature :
- 85°C
- Manufacturer :
- Atmel Corporation
- Operating Supply Voltage :
- 3.3V
- Oscillator Type :
- Internal
- CPU Family :
- ARM7
- Data Converter :
- A/D 8x10b
- Number of Terminals :
- 100
- Memory Type :
- Flash
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- Temperature Grade :
- Industrial
- Manufacturer Package Identifier :
- AT91SAM7A3-AU
- Connectivity :
- CANbus, I2C, Memory Card, SPI, SSC, UART/USART
- RAM Size :
- 32K x 8
- Height :
- 1.6mm
- EEPROM Size :
- --
- Packaging :
- Tray
- Package :
- Tray
- Number of ADC Channels :
- 8
- Core Architecture :
- ARM
- Product Status :
- Obsolete
- Supplier Device Package :
- 100-LQFP (14x14)
- Subcategory :
- Microcontrollers
- Qualification Status :
- Not Qualified
- Number of Timers/Counters :
- 3
- PWM Channels :
- yes
- Package Shape :
- Square
- Data Converters :
- A/D 8x10b
- Watchdog Timer :
- yes
- Min Operating Temperature :
- -40°C
- Length :
- 14mm
- Radiation Hardening :
- No
- Terminal Form :
- Gull wing
- RAM (bytes) :
- 32768
- Peripherals :
- POR, PWM, WDT
- Core Size :
- 16/32-Bit
- Lead Free :
- Lead Free
- Technology :
- CMOS
- Pin Count :
- 100
- Bit Size :
- 32
- Width :
- 14mm
- Number of I/O :
- 62
- ECCN Code :
- 3A991.A.2
- Number of Programmable I/O :
- 62
- Number of PWM Channels :
- 8
- DMA Channels :
- yes
- Min Supply Voltage :
- 1.65V
- Termination :
- SMD/SMT
- ROM Programmability :
- Flash
- Series :
- AT91SAM
- Number of SPI Channels :
- 2
- Seated Height-Max :
- 1.6 mm
- Number of UART Channels :
- 1
- Number of I/O Lines :
- 62
- Voltage - Supply (Vcc/Vdd) :
- 1.65V~1.95V
- Access Time :
- 60 μs
- Number of I2C Channels :
- 1
- Interface :
- CAN, I2C, SPI, UART, USART, USB
- Surface Mount :
- yes
- Program Memory Size :
- 256KB 256K x 8
- Published :
- 1997
- Mount :
- Surface Mount
- REACH SVHC :
- No SVHC
- Power Supplies :
- 1.8,3.3 V
- Package / Case :
- 100-LQFP
- Base Product Number :
- AT91SAM7
- Density :
- 2 Mb
- Max Supply Voltage :
- 3.6V
- HTS Code :
- 8542.31.00.01
- Memory Size :
- 256KB
- Datasheets
- AT91SAM7A3-AU
AT91SAM7A3-AU Documents

Microcontrollers Microchip Technology AT91SAM7A3-AU Overview
The Microcontrollers Microchip Technology AT91SAM7A3-AU is a robust 16/32-bit microcontroller that excels in delivering high-performance and flexibility with its 256KB of flash memory. This MCU, housed in a compact 100-LQFP package, is ideal for demanding embedded applications that require a balance of power and space efficiency. The AT91SAM7A3-AU by Microchip Technology integrates advanced features with a versatile set of peripherals, making it a perfect choice for developers looking to push the boundaries of what's possible with microcontroller technology.
AT91SAM7A3-AU Features
The AT91SAM7A3-AU microcontroller offers several key features that make it suitable for a wide range of applications. It boasts a high-speed 16/32-bit ARM7TDMI processor, 256KB of flash memory for program storage, and extensive I/O capabilities. The MCU also supports multiple communication interfaces, including USART, SPI, and I2C, which are essential for modern embedded systems. Enhanced power management features ensure that it operates efficiently under varying load conditions.
AT91SAM7A3-AU Applications
- Industrial Automation: The AT91SAM7A3-AU can be used to control machinery, sensors, and actuators, optimizing the automation process with its fast computing power and multiple communication interfaces.
- Medical Devices: In medical devices, this MCU ensures reliable data management and device control, crucial for patient monitoring systems and diagnostic equipment.
- Automotive Systems: Suitable for automotive applications, the AT91SAM7A3-AU manages engine functions, dashboard controls, and in-vehicle infotainment systems efficiently.
- Consumer Electronics: The microcontroller is ideal for consumer electronics such as smart home devices and portable technology, where compact size and power efficiency are essential.
- Communication Systems: It supports advanced communication protocols, making it a great choice for networked devices and telecommunications infrastructure.
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