ATSAM4E16EB-AN
ATSAM4E16EB-AN - 120MHz Cortex-M4 MCU 1MB Flash | Microchip
The Microchip Technology ATSAM4E16EB-AN is a 32-bit ARM Cortex-M4 microcontroller running at 120 MHz with 1 MB embedded Flash and a 144-pin LQFP (20x20 mm) package. It integrates a floating point unit (FPU), 117 general-purpose I/O lines, and a rich connectivity set including Ethernet MAC, CAN bus, USB, SPI, UART/USART, IrDA, SD/SDIO, and EBI/EMI external bus interface.
A microcontroller (MCU) is a single integrated circuit that combines a processor core, memory, and programmable peripherals into one chip, sitting at the heart of embedded systems from industrial automation to consumer devices. The SAM4E series belongs to Microchip's (formerly Atmel) 32-bit SAM ARM flash MCU family, positioned above the SAM3 and SAM4N series where high bandwidth, Ethernet, and math-intensive processing are required.
Key differentiating features include the 120 MHz Cortex-M4 core with hardware FPU for single-precision math, a high data bandwidth bus architecture, integrated 10/100 Ethernet MAC, dual CAN 2.0B controllers, a 12-bit ADC, PWM channels, DMA, and safety peripherals such as brown-out detect, power-on reset, and a watchdog timer. This combination suits networked and control-oriented designs that would otherwise require multiple chips.
Technically, the device operates from a 1.2V/3.3V supply scheme (3.3V main, 1.2V core regulation) and is offered in extended temperature, green/RoHS packaging. The Flash-based program memory supports in-system programming, and the external bus interface allows glueless attachment of SRAM, NOR Flash, and LCD modules.
Typical applications include industrial Ethernet gateways, motor control and solar inverter systems, building automation nodes, and embedded networking equipment where CAN, Ethernet, and USB must coexist on one 120 MHz controller.
Design consideration: the LQFP-144 is a fine-pitch (0.5 mm) surface-mount package - plan 4-layer PCB stackups and verify Ethernet PHY magnetics placement early; pinout planning against the 117 I/O budget is essential before routing.
This page synthesizes distributor pricing, stock data, drop-in family alternatives, and practical design notes not consolidated in the manufacturer datasheet, as of 2026-09-20.
USD $8,20
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