ATSAM4E16CB-ANR - 120MHz Cortex-M4, 1MB Flash MCU | Microchip
MPN: ATSAM4E16CB-ANR ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $0 | $0.00 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
ATSAM4E16CB-ANR Overview
A microcontroller (MCU) is a single integrated circuit that combines a processor core, program memory, data memory, and a rich set of peripherals onto one chip, forming the computational heart of embedded systems. Within the power-management hierarchy, MCUs sit above simple logic devices and below application processors; the SAM4E family belongs to Atmel/Microchip's ARM Cortex-M line of general-purpose 32-bit microcontrollers targeted at industrial control, connectivity, and high-bandwidth data processing.
Key features of the ATSAM4E16CB-ANR include the high data bandwidth architecture highlighted by Microchip, a hardware FPU for efficient single-precision math, and 1 MB (1M x 8) of on-chip Flash program memory. The Cortex-M4 core with DSP instructions accelerates control loops, digital filtering, and sensor fusion algorithms. Extended temperature qualification makes the device suitable for industrial and outdoor environments.
The SAM4E series differentiates itself through its connectivity-oriented peripheral set: Microchip positions the SAM4E16C as a Cortex-M4 MCU with FPU and high data bandwidth architecture, targeted at applications that move substantial data between peripherals and memory. The multi-layer bus matrix sustains concurrent DMA transfers alongside core execution, minimizing interrupt latency in communication-heavy designs.
Typical applications include industrial automation controllers, networked sensing nodes, motor control systems, and embedded gateways where 120 MHz processing, hardware floating point, and 1 MB of Flash support both control and computation duties in a single chip.
Design consideration: when migrating from other SAM4 or SAM3 parts, verify peripheral-clock configuration and revision status - Microchip recommends Revision B devices for prototypes and production, so confirm your board uses the current silicon revision.
This page synthesizes distributor pricing data, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, making it a complete engineering reference for the ATSAM4E16CB-ANR.
Drop-in alternatives for ATSAM4E16CB-ANR — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with ATSAM4E16CB-ANR (same form factor and footprint) — differing in Package, RoHS Status, Mounting Type, DAC, Floating Point Unit.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
ATSAM4E16CA-ANR
✅ Drop-In ⚠️ 参数待验证📋 Reference alternative (not in catalog)
ATSAM4E16CB-AUR
✅ Drop-In ⚠️ 参数待验证📋 Reference alternative (not in catalog)
ATSAM4E16CB-AN
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$8.3 / Unit
View Datasheet →ATSAM4SA16CA-AUR
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$6.23 / Unit
View Datasheet →ATSAM4SD32CA-AUR
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$8.45 / Unit
View Datasheet →ATSAM4E16CB-ANR Maximum Ratings & Electrical Characteristics
| Core Processor | ARM Cortex-M4 |
| Core Size | 32-bit |
| Maximum Clock Frequency | 120 MHz |
| Flash Memory Size | 1 MB (1M x 8) |
| Floating Point Unit | Yes (FPU) |
| Package | 100-LQFP (14x14 mm) |
| Mounting Type | Surface Mount |
| Operating Temperature | Extended temperature range |
| RoHS Status | Green / RoHS compliant (per Mouser listing) |
| Packaging | Tape & Reel (MRL B) |
ATSAM4E16CB-ANR 100-lqfp (14x14 mm) Pin Configuration Guide
Pin configuration for ATSAM4E16CB-ANR (100-lqfp (14x14 mm) package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for ATSAM4E16CB-ANR.
Refer to the datasheet for full pin configuration.
Typical Applications
ATSAM4E16CB-ANR is suitable for 6 applications: Industrial Automation Controllers, Motor Control Drives, Embedded Networked Gateways, Data Acquisition and Logging Systems, Building and HVAC Control, Test and Measurement Instruments.
Industrial Automation Controllers
Factory automation controllers benefit directly from the ATSAM4E16CB-ANR's 120 MHz Cortex-M4 core with hardware FPU, which executes PID loops, motion profiles, and protocol stacks concurrently. Microchip's high data bandwidth architecture allows DMA channels to feed communication peripherals while the core maintains deterministic control timing. The 1 MB Flash stores application logic plus fieldbus and diagnostics code, and the extended temperature rating suits panel-mounted electronics near motors and drives. The 100-LQFP (14x14 mm) footprint provides enough GPIO and multiplexed peripherals for sensor inputs, actuator outputs, and operator interface links without external expansion. Placing the MCU on a four-layer board with solid ground plane maintains signal integrity for its high-speed peripheral clocks.
Recommended
Motor Control Drives
Field-oriented control (FOC) demands fast single-precision math, and the ATSAM4E16CB-ANR's Cortex-M4 FPU executes Clarke/Park transforms and current-loop compensation in a few microseconds at 120 MHz. The high data bandwidth architecture lets ADC result DMA stream phase currents into SRAM while PWM peripherals update inverter gate timings with minimal CPU intervention. The 1 MB Flash accommodates multiple motor profiles, parameter storage, and a communication stack such as Modbus or CAN-based protocols in one image. Extended temperature qualification supports drive enclosures with elevated ambient. The 100-LQFP package exposes sufficient PWM channels, ADC inputs, and quadrature-encoder inputs for three-phase inverter designs on a single chip.
Recommended
Embedded Networked Gateways
Protocol-conversion gateways pair the ATSAM4E16CB-ANR's 120 MHz core and high data bandwidth architecture with its connectivity-oriented SAM4E peripheral set to bridge industrial fieldbuses and Ethernet-class networks. Microchip designed the SAM4E16C for applications moving substantial data: multi-layer bus matrix operation sustains concurrent DMA transfers between communication controllers and the 1 MB Flash / SRAM space without stalling the core. The hardware FPU offloads data scaling and filtering of sensor telemetry. The 100-LQFP (14x14 mm) package exposes parallel bus, multiple USART, and timer pins for legacy protocol interfaces, while extended temperature ratings suit unconditioned electrical cabinets.
Recommended
Data Acquisition and Logging Systems
High-channel-count data loggers exploit the ATSAM4E16CB-ANR's DMA-driven architecture: ADC sample streams transfer to SRAM without CPU cycles, leaving the 120 MHz Cortex-M4 free for timestamping, compression, and storage formatting. The hardware FPU accelerates calibration math and engineering-unit conversion. The 1 MB Flash supports in-field firmware updates via a dual-image scheme while retaining configuration and calibration tables. Extended temperature qualification enables deployment in unheated remote installations, and the 100-LQFP package multiplexes enough analog inputs, USARTs, and memory interfaces (SD/SDIO class peripherals) to build a complete logger on one chip. Designers should budget decoupling per Microchip layout guidance for clean ADC references.
Recommended
Building and HVAC Control
Building automation controllers value the ATSAM4E16CB-ANR's combination of control performance and connectivity: the 120 MHz Cortex-M4 with FPU runs control algorithms for dampers, valves, and variable-speed fans, while the SAM4E peripheral set handles network communication and sensor polling. The high data bandwidth architecture keeps multiple UART and timer transactions flowing under DMA so the CPU utilization stays low, improving responsiveness of scheduling logic. The 1 MB Flash stores BACnet/Modbus stacks and web service code, and extended temperature ratings tolerate rooftop and mechanical-room environments. The 100-LQFP (14x14 mm) package supplies sufficient GPIO for relay driver expansion and status indication.
Recommended
Test and Measurement Instruments
Bench and portable instruments use the ATSAM4E16CB-ANR's 120 MHz Cortex-M4 and hardware FPU for signal processing - RMS computation, FFT-based analysis, and waveform math - while its high data bandwidth architecture streams ADC data through DMA into the 1 MB code/data space. Microchip's SAM4E16C design targets exactly these high-throughput embedded workloads. The 100-LQFP (14x14 mm) package exposes parallel and serial interfaces for displays, front-panel encoders, and USB connectivity, allowing a complete instrument controller on one chip. Extended temperature ratings support portable field instruments, and Tape & Reel packaging supports volume production of instrument families sharing one common MCU platform.
Recommended
Recommended Products Summary
Engineering reference data for ATSAM4E16CB-ANR — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | ATSAM4E16CA-ANR | ATSAM4E16CB-AUR | ATSAM4SA16CA-AUR | ATSAM4SD32CA-AUR |
|---|---|---|---|---|---|
| Package | 100-LQFP (14x14 mm) | 100-LQFP (14x14 mm) - same | 100-LQFP (14x14 mm) - same | 100-LQFP (14x14 mm) - same | 100-LQFP (14x14 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core | ARM Cortex-M4 with FPU | ARM Cortex-M4 with FPU | ARM Cortex-M4 with FPU | ARM Cortex-M4 with FPU | ARM Cortex-M4 with FPU |
| Max Clock Frequency | 120 MHz | 120 MHz | 120 MHz | 120 MHz | 120 MHz |
| Family / Peripheral Set | SAM4E (connectivity / high bandwidth) | SAM4E (standard USB option) | SAM4E (identical set) | SAM4SA (no SAM4E connectivity set) | SAM4SD (dual-bank flash) |
| Temperature Rating | Extended range (-AN suffix) | Extended range | Wider (AU suffix, up to +105C) | Wider (AU suffix) | Wider (AU suffix) |
Key Differentiators
- SAM4E connectivity-oriented peripheral set (vs ATSAM4SA16CA-AUR)
- Extended temperature at Tape & Reel production packaging (vs ATSAM4E16CB-AUR)
- USB high-speed capable die option (vs ATSAM4E16CA-ANR)
Design Notes
Confirm silicon revision before releasing production boards. Microchip explicitly states on the SAM4E16C product page that Revision B is highly recommended for prototypes and production; earlier revisions of SAM4E parts have documented errata affecting peripherals. When sourcing from brokers or excess-inventory channels, verify date codes and revision markings to avoid receiving superseded silicon.
The 100-LQFP (14x14 mm) package runs at up to 120 MHz, so place 100 nF ceramic decoupling capacitors within 2 mm of each VDD pin pair and add bulk 10 uF capacitance near the supply entry. Because a 100-pin MCU multiplexes many functions onto shared pins, review the datasheet peripheral multiplexing tables before final routing - reassigning a conflicting peripheral after layout is expensive. Use a solid ground plane and keep high-speed peripheral clock traces short.
Verify the exact supply voltage range and per-domain current budget in the SAM4E datasheet before designing the power tree, as these values are not present in distributor listings. When migrating from SAM3S/SAM3N parts (e.g., the ATSAM3S8BA), pin-compatible assumptions do not extend to power architecture - SAM4E devices have additional core/peripheral regulator requirements. Estimated: budget 0.5 mA/MHz as a first-order current estimate for Cortex-M4-class cores at nominal voltage when sizing the regulator.
Compliance Information
Mouser listing describes the part as LQFP, GREEN, EXT TEMP - indicating green (RoHS/halogen-reduced) packaging; REACH and conflict-minerals status not stated in provided data.