ATSAM3U4CA-AU
- Mfr.Part #
- ATSAM3U4CA-AU
- Manufacturer
- Microchip Technology
- Package / Case
- 100-LQFP
- Datasheet
- Download
- Description
- IC MCU 32BIT 256KB FLASH 100LQFP
- Stock
- 247
- In Stock :
- 247
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- Manufacturer :
- Microchip Technology
- Product Category :
- Microcontrollers
- Seated Height-Max :
- 1.6 mm
- Factory Lead Time :
- 13 Weeks
- External Data Bus Width :
- 8
- DAC Channels :
- yes
- RoHS :
- Details
- Maximum Operating Temperature :
- +85 °C
- Interfaces :
- EBI, EMI, I2C, SPI, SSC, UART, USART
- Speed :
- 96MHz
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- Surface Mount :
- yes
- Number of I/Os :
- 57 I/O
- Product Status :
- Active
- Base Part Number :
- ATSAM3U
- Number of I/O Lines :
- 96
- Length :
- 14mm
- MSL :
- MSL 3 - 168 hours
- ROM Programmability :
- Flash
- uPs/uCs/Peripheral ICs Type :
- MICROCONTROLLER, RISC
- Connectivity :
- EBI/EMI, I2C, Memory Card, SPI, SSC, UART/USART, USB
- PWM Channels :
- yes
- Terminal Finish :
- Matte Tin (Sn) - annealed
- Frequency :
- 96MHz
- Bit Size :
- 32
- Core Processor :
- ARM® Cortex®-M3
- Address Bus Width :
- 32b
- Typical Operating Supply Voltage :
- 1.8 V, 3.3 V
- Instruction Set Architecture :
- RISC
- Pbfree Code :
- yes
- Data Converter :
- A/D 4x10b, 4x12b
- Reach Compliance Code :
- Compliant
- Supply Voltage :
- 1.8V
- RoHS Status :
- ROHS3 Compliant
- DMA Channels :
- yes
- Core Architecture :
- ARM
- Height :
- 1.45mm
- Mount :
- Surface Mount
- Package Type :
- LQFP
- Number of Pins :
- 100
- Interface :
- EBI/EMI, I2C, MMC, SPI, UART, USART, USB
- Temperature Grade :
- Industrial
- RAM Size :
- 52K x 8
- Published :
- 1997
- Series :
- SAM3U
- Voltage - Supply (Vcc/Vdd) :
- 1.62V~3.6V
- Oscillator Type :
- Internal
- Data Converters :
- A/D 4x10b, 4x12b
- Number of SPI Channels :
- 4
- Terminal Pitch :
- 0.5mm
- Device Core :
- ARM Cortex-M3
- Dimensions :
- 14 x 14 x 1.45mm
- Packaging :
- Tray
- Core Size :
- 32-Bit
- Terminal Position :
- QUAD
- Number of I/O :
- 57
- Peripherals :
- Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT
- Radiation Hardening :
- No
- Package :
- Tray
- Base Product Number :
- ATSAM3U
- Number of Terminations :
- 100
- Minimum Operating Temperature :
- -40 °C
- Program Memory Size :
- 256KB 256K x 8
- Supplier Device Package :
- 100-LQFP (14x14)
- CPU Family :
- CORTEX-M3
- RAM (bytes) :
- 53248
- Product :
- MCU
- Product Category :
- ARM Microcontrollers - MCU
- Brand :
- Microchip Technology / Atmel
- Screening Level :
- Industrial
- Memory Size :
- 256KB
- Time@Peak Reflow Temperature-Max (s) :
- 40
- Tradename :
- Cortex-M3, Cortex
- Program Memory Type :
- Flash
- Interface Type :
- 3xUSART, 4xSPI, Bus, TWI
- Number of Terminals :
- 100
- Operating Temperature :
- -40°C~85°C TA
- Watchdog Timer :
- yes
- REACH SVHC :
- No SVHC
- Family Name :
- SAM3U
- Terminal Form :
- Gull wing
- Data Bus Width :
- 32b
- JESD-30 Code :
- S-PQFP-G100
- Has ADC :
- yes
- Pin Count :
- 100
- Mounting Type :
- Surface Mount
- Qualification Status :
- Not Qualified
- Manufacturer :
- Microchip
- Package / Case :
- 100-LQFP
- Lead Free :
- Lead Free
- Peak Reflow Temperature (Cel) :
- 260
- JESD-609 Code :
- e3
- Mounting Style :
- SMD/SMT
- Width :
- 14mm
- Number of Timers/Counters :
- 8
- EEPROM Size :
- --
- Product Type :
- ARM Microcontrollers - MCU
- Power Supplies :
- 1.8,3.3 V
- Number of I2C Channels :
- 1
- ROM (words) :
- 262144
- Mounting :
- Surface Mount
- Package Shape :
- Square
- Datasheets
- ATSAM3U4CA-AU
ATSAM3U4CA-AU Documents

Microcontrollers Microchip Technology ATSAM3U4CA-AU Overview
The ATSAM3U4CA-AU from Microchip Technology is a highly capable microcontroller tailored for demanding applications that require high-speed interfaces and advanced peripherals. As part of the robust SAM3U series, this 32-bit MCU is built on a high-performance processor core with ARM Cortex-M3 architecture, providing a perfect balance of power efficiency and performance. The integration of 256KB of flash memory in a compact 100-pin LQFP package makes the ATSAM3U4CA-AU a versatile choice for both space-constrained and feature-rich applications. Ideal for industrial, commercial, and medical applications, its comprehensive feature set supports a wide range of functionalities designed to streamline development and enhance product performance.
ATSAM3U4CA-AU Features
The Microcontrollers Microchip Technology ATSAM3U4CA-AU excels in delivering powerful features that include USB OTG (On-The-Go) capabilities, high-speed data transmission interfaces such as SPI and I2C, and extensive interrupt and DMA support systems. Its 96MHz maximum CPU speed enables efficient handling of complex algorithms and processes, while its robust I/O capabilities facilitate versatile peripheral integrations. Enhanced security features and low power consumption modes ensure reliable and secure applications, suitable for scalable deployments.
ATSAM3U4CA-AU Applications
- Medical Devices: Utilized in patient monitoring systems and wearable health devices, the ATSAM3U4CA-AU ensures reliable data processing and connectivity, crucial for real-time health status monitoring.
- Industrial Automation: Drives controllers and automation systems, providing the necessary computational power and connectivity to manage multiple sensors and actuators in a synchronized manner.
- Consumer Electronics: Serves as the core for high-performance consumer electronics, such as gaming peripherals and advanced remote controls, offering responsive user interaction and robust operation.
- Communication Systems: Supports complex communication protocols required in modems and network routers, ensuring fast and secure data transmission.
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