Based on the Arm® Cortex®-M4 core, our SAM 4 series of microcontrollers (MCUs) operates at a maximum CPU speed of 120 MHz and features up to 2048 KB of Flash and up to 128 KB of SRAM.
To reduce your development time and costs, we offer a comprehensive ecosystem of hardware development tools, software that is supported by the Advanced Software Framework (ASF3) running in Microchip Studio Integrated Development Environment (IDE) and a complete library of source code, project examples, drivers and stack to support all your design needs.
SAM 4E MCUs
Advanced Connectivity for Industrial Applications
Key Features
- CPU clock speed: 120 MHz
- Up to 1024 KB Flash
- 2 KB of cache memory
- Up to 128 KB SRAM
- Connectivity: 10/100 Mbps Ethernet MAC supporting IEEE® 1588, dual CAN, Full-Speed USB
- Wide range of peripherals: USART, UART, SPI
- Advanced Analog: Dual 1 Msps, 12-bit Analog-to-Digital Converters (ADCs) up to 16-bit with averaging, up to 24 channels with analog front end, offering offset error correction and gain control
- One two-channel 12-bit 1 Msps Digital-to-Analog Converter (DAC)
- Four-channel 16-bit Pulse-Width Modulator (PWM) with complementary output
- Single precision Floating Point Unit (FPU)
Target Applications
- Industrial automation
- Machine-to-machine communications
- Home and building control applications
- Automotive
- Energy management applications
SAM 4L MCUs
Redefining Low Power
Key Features
- CPU clock speed: 48 MHz
- Up to 512 KB Flash
- Up to 64 KB SRAM
- picoPower® technology for ultra-low power consumption, enabling long battery life
- Active mode down to 90 µA/MHz with configurable voltage scaling
- High performance and efficiency: 28 Coremark®/mA
- Wait mode down to 3 µA with fast wake-up time (< 1.5 µs)
- Full RAM and logic retention mode down to 1.5 µA with fast wake-up time (< 1.5 µs)
- Embedded hardware capacitive touch module based on QTouch® technology for fast development of touch and proximity functionality
- Wide range of peripherals: Full-Speed USB host and device, 128-bit AES, USART, SPI, I2C, Event System
Key Applications
- Power-sensitive designs in
- Industrial
- Health care
- Consumer
SAM 4N MCUs
Converging Performance and Simplicity
Key Features
- CPU clock speed: 100 MHz
- Up to 1024 KB Flash
- Up to 80 KB SRAM
- Serial communication: Seven UARTs, four SPIs, three I2Cs
- One 10-bit Analog-to-Digital Converter ADC up to 510 ksps (up to 12-bit with digital averaging)
- One 10-bit 1 Msps Digital-to-Analog Converter (DAC) -
- Low-power modes: Sleep, Wait and Backup down to 0.7 µA in backup mode with Real-time Clock (RTC), Real-time Timer (RTT) and General Purpose Backup Registers (GPBRs)
- Easy migration within the portfolio of products
- Pin-to-pin compatibility with SAM 4S, SAM 3S, SAM 3N and SAM 7S devices
Key Applications
- Industrial automation
- Consumer applications
- Appliances
- Energy meters
SAM 4S MCUs
Scalable Performance, Memory Density and Power Efficiency
Key Features
- CPU clock speed: 120 MHz
- Up to 2048 KB Flash, dual bank, 2 KB cache memory
- Up to 160 KB SRAM
- Low-power modes: Sleep, Wait and Backup; consumption down to 1 µA in Backup mode
- Safety and security:
- Integrated best-in-class hardware code protection: Prevents access to on-chip memory to protect your Intellectual Property (IP)
- Supports secure device reconditioning (chip erase) for reprogramming
- Unique 128-bit ID and scrambled external bus interface ensure software confidentiality
- Hardware Cyclic Redundancy Check (CRC) to check memory integrity
- Pin-to-pin and software compatible with SAM 3 Arm Cortex-M3 processor-based MCUs, offering a smooth upwards migration path for performance and memory size
Key Applications
- Industrial control
- Consumer applications
- PC peripherals