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
Request A Quote(RFQ)
- * Fullname:
- * Company:
- * E-Mail:
- Phone:
- Comment:
- * Quantity:
- Manufacturer :
- Microchip Technology
- Product Category :
- Microcontrollers
- Series :
- SAM3U
- Program Memory Type :
- Flash
- Number of Terminals :
- 100
- Data Converters :
- A/D 4x10b, 4x12b
- Minimum Operating Temperature :
- -40 °C
- Mount :
- Surface Mount
- Mounting Type :
- Surface Mount
- DMA Channels :
- yes
- Data Bus Width :
- 32b
- Terminal Position :
- QUAD
- Base Product Number :
- ATSAM3U
- Product Status :
- Active
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- RAM Size :
- 52K x 8
- ROM Programmability :
- Flash
- Width :
- 14mm
- CPU Family :
- CORTEX-M3
- Package :
- Tray
- Height :
- 1.45mm
- JESD-30 Code :
- S-PQFP-G100
- Maximum Operating Temperature :
- +85 °C
- Interfaces :
- EBI, EMI, I2C, SPI, SSC, UART, USART
- Length :
- 14mm
- Pin Count :
- 100
- PWM Channels :
- yes
- Number of I/O Lines :
- 96
- Peak Reflow Temperature (Cel) :
- 260
- Bit Size :
- 32
- Package / Case :
- 100-LQFP
- uPs/uCs/Peripheral ICs Type :
- MICROCONTROLLER, RISC
- Product Category :
- ARM Microcontrollers - MCU
- JESD-609 Code :
- e3
- External Data Bus Width :
- 8
- Program Memory Size :
- 256KB 256K x 8
- Dimensions :
- 14 x 14 x 1.45mm
- Memory Size :
- 256KB
- Operating Temperature :
- -40°C~85°C TA
- Typical Operating Supply Voltage :
- 1.8 V, 3.3 V
- Package Type :
- LQFP
- Number of Terminations :
- 100
- Power Supplies :
- 1.8,3.3 V
- Screening Level :
- Industrial
- Mounting Style :
- SMD/SMT
- Number of Timers/Counters :
- 8
- Pbfree Code :
- yes
- Surface Mount :
- yes
- RoHS Status :
- ROHS3 Compliant
- REACH SVHC :
- No SVHC
- Number of SPI Channels :
- 4
- Core Architecture :
- ARM
- Qualification Status :
- Not Qualified
- Data Converter :
- A/D 4x10b, 4x12b
- Product Type :
- ARM Microcontrollers - MCU
- Number of I2C Channels :
- 1
- Voltage - Supply (Vcc/Vdd) :
- 1.62V~3.6V
- Terminal Pitch :
- 0.5mm
- Number of I/Os :
- 57 I/O
- MSL :
- MSL 3 - 168 hours
- Has ADC :
- yes
- Speed :
- 96MHz
- ROM (words) :
- 262144
- Interface Type :
- 3xUSART, 4xSPI, Bus, TWI
- Lead Free :
- Lead Free
- Mounting :
- Surface Mount
- Product :
- MCU
- Tradename :
- Cortex-M3, Cortex
- Instruction Set Architecture :
- RISC
- DAC Channels :
- yes
- Temperature Grade :
- Industrial
- Supplier Device Package :
- 100-LQFP (14x14)
- Watchdog Timer :
- yes
- Family Name :
- SAM3U
- Oscillator Type :
- Internal
- Base Part Number :
- ATSAM3U
- Seated Height-Max :
- 1.6 mm
- Reach Compliance Code :
- Compliant
- Radiation Hardening :
- No
- Brand :
- Microchip Technology / Atmel
- Core Size :
- 32-Bit
- Packaging :
- Tray
- Terminal Form :
- Gull wing
- Number of Pins :
- 100
- Factory Lead Time :
- 13 Weeks
- RAM (bytes) :
- 53248
- Connectivity :
- EBI/EMI, I2C, Memory Card, SPI, SSC, UART/USART, USB
- Interface :
- EBI/EMI, I2C, MMC, SPI, UART, USART, USB
- EEPROM Size :
- --
- Peripherals :
- Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT
- Published :
- 1997
- Supply Voltage :
- 1.8V
- Package Shape :
- Square
- Manufacturer :
- Microchip
- Number of I/O :
- 57
- Device Core :
- ARM Cortex-M3
- Frequency :
- 96MHz
- RoHS :
- Details
- Time@Peak Reflow Temperature-Max (s) :
- 40
- Address Bus Width :
- 32b
- Terminal Finish :
- Matte Tin (Sn) - annealed
- Core Processor :
- ARM® Cortex®-M3
- 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.
You may place an order without registering to Chip IC. We strongly recommend that you log in before purchasing as you can track your order at any time.
RFQ (Request for Quotations)It is recommended to send RFQ to get the latest prices and stock availability about the part.Our sales will reply to your inquiry within 24 hours.
Payment MethodFor your convenience, we accept multiple payment methods in USD, Such as:PayPal, Credit Card, and wire transfer.
IMPORTANT NOTICEYou may place an order without registering to 1. You'll receive an order confirmations by e-mail soon . (Please remember to check the spam box if you didn't hear from us). 2. Since stock availability and prices may change at any time, the sales will reconfirm the order details and update you at soonest time.
Most of our products are shipped via FEDEX,DHL,UPS and SF EXPRESS...
Shipping CostShipping Cost starts at $40, but some countries will exceed $40. For example (South Africa, Brazil, India, Pakistan, Israel, etc.).If customer have shipping account, we can make shipment under customer’s shipping account with freight collect directly.
The basic freight (for package ≤0.5 KG ) depends on the time zones and countries
Once the goods are shipped, estimated delivery time depends on the shipping methods you chose. You can track it by the tracking no.
















