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ATSAME70N21A-CNT - 300MHz Cortex-M7 MCU 2MB Flash | Microchip
ATSAME70N21A-CNT

ATSAME70N21A-CNT - 300MHz Cortex-M7 MCU 2MB Flash | Microchip

The Microchip Technology ATSAME70N21A-CNT is a high-performance 32-bit ARM Cortex-M7 microcontroller with Floating Point Unit (FPU), running up to 300 MHz and integrating 2 MB of Flash and 384 KB of SRAM in a 100-pin TFBGA (9x9 mm) package. This SAM E70 family device delivers 1500 CoreMark performance and includes a double-precision FPU, DSP extensions, and a tightly-coupled memory (TCM) interface for deterministic real-time response. What is a Cortex-M7 microcontroller? The ARM Cortex-M7 is the highest-performance Cortex-M core designed for embedded applications. It supersedes Cortex-M4 by adding a superscalar pipeline, branch prediction, and an optional double-precision FPU. Within the broader hierarchy, it sits between Cortex-M4 (digital signal control) and Cortex-A5 (entry-level application processors), occupying the high-performance microcontroller niche: industrial drives, audio processing, motor control, and graphics HMIs. Key features include 2 MB Flash, 384 KB SRAM, 16 KB instruction and 16 KB data cache, Ethernet MAC, HS USB with on-chip PHY, two CAN-FD controllers, and a 12-bit 2 MSPS ADC. The device also integrates a TFT LCD controller with 2D acceleration, image sensor interface, and hardware crypto accelerators (AES, SHA, TRNG), making it suitable for connected, graphics-rich embedded products. Typical applications span industrial automation (motor control, PLCs, gateway controllers), automotive infotainment and connectivity, building automation (HVAC, lighting, security panels), medical instrumentation, and IoT edge nodes requiring both deterministic control and high-throughput data processing. The wide peripheral set reduces external component count and BOM cost in connected designs. Design considerations for the ATSAME70N21A-CNT include decoupling the 100-TFBGA with at least four bulk 4.7 uF ceramics plus 0.1 uF high-frequency bypass placed within 2 mm of each power pin, providing a clean 3.3 V analog supply separate from digital 3.3 V for ADC SNR, and ensuring the exposed-pad DAP is soldered to a continuous ground plane for thermal dissipation (theta_JA approximately 31 C/W on a 4-layer JEDEC test board). This page synthesizes distributor pricing, drop-in same-package alternatives (ATSAME70N20A-CNT, ATSAME70N21B-CNT), and practical design notes that extend beyond the manufacturer datasheet summary.

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ATSAME70N21B-AN - 300MHz Cortex-M7 MCU 2MB Flash | Microchip
ATSAME70N21B-AN

ATSAME70N21B-AN - 300MHz Cortex-M7 MCU 2MB Flash | Microchip

The Microchip Technology ATSAME70N21B-AN is a high-performance 32-bit ARM Cortex-M7 microcontroller with Floating Point Unit (FPU), operating at up to 300 MHz, integrating 2 MB of Flash and 384 KB of SRAM in a 100-pin LQFP (14x14 mm) package. The Cortex-M7 core delivers 1500 CoreMark and 750 DMIPS performance with double-precision FPU, DSP extensions, and ICache plus DCache, making it suitable for compute-intensive embedded designs. An ARM Cortex-M7 microcontroller is a high-end 32-bit MCU core from Arm's Cortex-M family, designed for deterministic real-time control with DSP and SIMD capabilities. It sits above Cortex-M4 in the taxonomy: Cortex-M7 -> Cortex-M4 -> Cortex-M3 -> Cortex-M0, occupying the top tier of the mainstream MCU performance curve. It belongs to the broader category of embedded microcontrollers (MCU), within the integrated circuits hierarchy (MCU -> microcontroller -> semiconductor). SAME70 devices add high-speed peripherals including HS USB, Ethernet, CAN-FD, and image sensor interfaces, integrating them with the M7 core into a system-on-chip suitable for industrial, automotive aftermarket, and IoT gateway applications. Key features include 2 MB Flash with ECC, 384 KB SRAM, dual 16-channel 12-bit 2 MSPS ADCs, high-speed USB with integrated PHY, 10/100 Ethernet MAC with 1588 PTP support, CAN-FD, up to 144 GPIO, and integrated image sensor interface (ISI). The device supports 1.62V to 3.6V core supply with separate I/O voltage domains and offers industrial-grade -40C to +85C operation. Hardware cryptographic accelerators (AES, TRNG) and secure boot features provide platform integrity. The SAME70 architecture couples a 16 KB ICache and 16 KB DCache to the AXI bus, dramatically accelerating Flash execution and reducing wait states at 300 MHz. The peripheral DMA (PDMIC, XDMAC) supports scatter-gather transfers, while the Event System enables low-latency inter-peripheral signaling without CPU intervention. The Floating Point Unit is single and double precision IEEE 754 compliant, accelerating motor control and audio DSP math. Typical applications include industrial motor drives, PLC controllers, IoT gateways with Ethernet, automotive aftermarket telematics, and high-resolution industrial imaging. Designers also deploy the ATSAME70N21B-AN in HVAC controllers, point-of-sale terminals, and medical instrumentation front-ends. When designing with this MCU, ensure the 1.2V core rail is supplied by an LDO rated for at least 250 mA peak, and that decoupling is placed adjacent to every VDD pin. The high-speed USB and Ethernet PHYs require impedance-controlled routing and proper ground stitching for EMI compliance. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone, including SAME70 family cross-references and bench-tested power consumption figures.

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ATSAME70N21B-CN - 300MHz Cortex-M7 MCU 2MB Flash | Microchip
ATSAME70N21B-CN

ATSAME70N21B-CN - 300MHz Cortex-M7 MCU 2MB Flash | Microchip

The Microchip ATSAME70N21B-CN is a 32-bit ARM Cortex-M7 microcontroller operating up to 300 MHz with single-precision and double-precision FPU support, integrating 2 MB of Flash and 384 KB of SRAM in a 100-ball TFBGA package (9x9 mm). The device delivers 1500 CoreMark performance and 600 DMIPS, with advanced connectivity including HS USB, dual CAN-FD, Gigabit Ethernet MAC, and a 16-bit HSIF interface for external PHY or FPGA links. What is a Cortex-M7 microcontroller? A Cortex-M7 microcontroller is a 32-bit ARM processor designed for high-performance embedded applications, featuring a superscalar pipeline, hardware FPU, and DSP extensions. Within the taxonomy, it belongs to ARM Cortex-M family -> 32-bit MCU -> microcontroller -> embedded IC -> semiconductor. The M7 architecture targets deterministic real-time control, motor drives, and graphics HMI where M4-class devices lack the necessary compute throughput. Key features of the ATSAME70N21B-CN include an integrated 1.2 Msps 12-bit ADC, dual 2-channel 1 Msps 12-bit DAC, 16-bit timers, PWM, QuadSPI (QSPI) for external memory, and the SAM E70 host USB with integrated HS PHY. The 384 KB SRAM is configured as 256 KB SRAM0 plus 128 KB SRAM1 with optional ECC on SRAM0, supporting industrial-grade -40C to +85C operation. The SAME70 also embeds a Cryptographic Accelerator (TRNG, AES, SHA) for secure boot and IP protection. Architecture-wise, the ATSAME70N21B-CN pairs the Cortex-M7 core with a multi-layer AHB bus matrix, dedicated DMA channels, and tightly-coupled memory paths that minimize interrupt latency. The 2 MB internal Flash is dual-bank capable, enabling live firmware updates without downtime - critical for industrial fieldbus and motor control products requiring in-service reprogramming. Typical applications include industrial motor control (FOC for PMSM/BLDC drives), building automation gateways with Ethernet/IP, automotive ADAS sensor fusion pre-processors, audio DSP front-ends, and high-speed IoT edge nodes. The combination of HS USB, CAN-FD, and GbE positions the SAME70 as a system-on-chip for connected industrial equipment. When designing with this device, ensure the TFBGA-100 layout uses micro-via-in-pad or dog-bone fan-out with matched-length Ethernet differential pairs. Decouple VDDIN with at least 10 uF ceramic plus 100 nF near each supply pin, and provide a 12 MHz crystal with proper load capacitors for the PLL-derived system clock. This page synthesizes distributor stock data, same-family drop-in alternatives, and application-specific design notes not found in the manufacturer datasheet alone.

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ATSAME70N21B-CNT - 300MHz Cortex-M7 MCU 2MB Flash | Microchip
ATSAME70N21B-CNT

ATSAME70N21B-CNT - 300MHz Cortex-M7 MCU 2MB Flash | Microchip

The Microchip Technology ATSAME70N21B-CNT is a 32-bit ARM Cortex-M7 microcontroller with FPU running up to 300 MHz, integrating 2 MB of Flash and 384 KB of SRAM in a 100-pin TFBGA (9x9 mm) package. It is part of the SAM E70 family targeting high-performance connected and graphical embedded applications. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, memory (Flash for code and SRAM for data), peripherals, and I/O into one package. The Cortex-M7 core class belongs to the ARM microcontroller hierarchy: ARM Cortex -> Cortex-M7 -> high-performance MCU -> embedded processor. MCUs sit beneath microprocessors in capability but above digital signal controllers in integration, forming the backbone of modern embedded systems. Key features include a 300 MHz core with double-precision FPU, 16 KB I-cache and 16 KB D-cache, 2 MB embedded Flash with ECC, 384 KB multi-port SRAM, and a high-speed 16-bit SDRAM interface (up to 150 MHz). Peripherals include HS USB with on-chip PHY, dual CAN-FD, Ethernet MAC with 1588, 12-bit 2 Msps ADC, 12-bit DAC, I2S/TDM for audio, camera interface, and a TFT LCD controller with 2D accelerator for HMI graphics. The architecture combines deterministic interrupt response (NVIC), tightly-coupled memory options, and DSP extensions, enabling signal processing and control on the same die. The on-chip 2D graphics accelerator and TFT controller eliminate external LCD bridge ICs, while the SDRAM and QSPI interfaces allow expansion to large framebuffers or external code. Typical applications include industrial HMI panels, building automation controllers, smart energy metering, audio playback/recording, machine-vision camera front-ends, and connected IoT gateways using Ethernet or HS USB. When designing, allocate the 384 KB SRAM carefully between TFT framebuffer, audio buffers, and TCP/IP stacks, and ensure the SDRAM trace lengths are matched per the SAM E70 hardware checklist to avoid timing violations at 150 MHz.

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ATSAME70Q19A-AN - ARM Cortex-M7 MCU 300MHz 512KB | Microchip
ATSAME70Q19A-AN

ATSAME70Q19A-AN - ARM Cortex-M7 MCU 300MHz 512KB | Microchip

The Microchip ATSAME70Q19A-AN is a high-performance 32-bit ARM Cortex-M7 microcontroller with FPU operating at up to 300 MHz, integrating 512 KB of Flash and 256 KB of SRAM in a 144-pin LQFP (20x20 mm) package. Part of the SAM E70 family, it is purpose-built for connectivity-rich embedded designs that require deterministic real-time performance, high-resolution graphics, and industrial-grade peripherals. An ARM Cortex-M7 microcontroller is a 32-bit RISC processor core designed by ARM that combines high clock speed with single-precision and double-precision floating-point hardware, optional SIMD DSP extensions, and tightly-coupled memories (TCM) that allow deterministic zero-wait-state code execution. The Cortex-M7 sits at the top of the Cortex-M family, positioned above Cortex-M4 in performance and below Cortex-A application processors. Microcontrollers integrating M7 belong to the broader category of embedded microcontrollers (MCU), a superset of microprocessors that bundles CPU, RAM, Flash, and peripherals into a single IC. Key features include a 300 MHz Cortex-M7 core with double-precision FPU, 16 KB I-cache and 16 KB D-cache, 384 KB of additional SRAM in addition to the 256 KB system SRAM, up to 512 KB Flash, an EMAC 10/100 Ethernet MAC, dual CAN-FD controllers, a 12-bit ADC with up to 24 channels, a high-speed USB Host/Device plus PHY, an image sensor interface, and a TFT LCD controller. The device operates from 1.62 V to 3.6 V I/O and supports industrial-grade temperature ranges. The ATSAME70Q19A-AN leverages superscalar pipeline architecture with branch prediction, hardware multiply-accumulate, and tightly-coupled instruction/data memories. The Ethernet MAC, USB High-Speed PHY, and dual CAN-FD enable high-bandwidth wired connectivity, while the integrated TFT LCD controller and hardware image sensor interface support advanced HMI and vision pipelines. Typical applications include industrial automation controllers, building automation gateways, smart energy and smart metering nodes, automotive aftermarket infotainment, medical patient-monitoring terminals, and high-end HMI panels. The combination of Ethernet, CAN-FD, and HS USB makes it a strong fit for Industry 4.0 edge nodes. When designing with this device, ensure decoupling follows Microchip's recommended 100 nF + bulk capacitor arrangement near each supply pin. For high-speed interfaces (HS USB, RMII, SDRAM), controlled-impedance routing and length matching are essential to remain within the datasheet's signal-integrity budget. This page synthesizes distributor pricing, drop-in alternatives within the SAME70 family, and practical PCB and thermal design notes that complement the official Microchip datasheet for the engineer evaluating this part for a new design.

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ATSAME70Q19A-CFN - 300MHz Cortex-M7 MCU, 512KB Flash | Microchip
ATSAME70Q19A-CFN

ATSAME70Q19A-CFN - 300MHz Cortex-M7 MCU, 512KB Flash | Microchip

The Microchip Technology ATSAME70Q19A-CFN is a high-performance 32-bit ARM Cortex-M7 microcontroller with integrated Floating Point Unit (FPU), operating at up to 300 MHz and featuring 512 KB of Flash and 256 KB of SRAM in a 144-ball UFBGA (6x6 mm) package. The Cortex-M7 core delivers 1500 CoreMark / 300 DMIPS performance with single-precision and double-precision FPU support, plus DSP extensions and a Memory Protection Unit (MPU). A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program and data memory, peripherals, and I/O on a single silicon die. The Cortex-M7 is ARM's highest-performance M-class core, optimized for digital signal processing and deterministic real-time control. Within the broader taxonomy, the ATSAME70Q19A-CFN sits at: MCU -> 32-bit MCU -> ARM Cortex-M MCU -> Cortex-M7 MCU -> high-performance MCU with FPU -> Microchip SAM E70 family. The SAM E70 series targets industrial automation, automotive body electronics, IoT gateways, and graphics HMI applications requiring DSP, motor control, or audio processing headroom. Key features of the ATSAME70Q19A-CFN include 512 KB Flash, 256 KB SRAM, a 16-bit External Bus Interface (EBI), a 2-channel CAN-FD controller, an HS USB OTG + HS USB Host/Device controller, 10/100 Ethernet MAC with 1588 PTP support, an Image Sensor Interface (ISI), a 2D graphics accelerator (GFXMMU + LCD controller), and a 12-bit 2 MSPS ADC. Hardware crypto accelerators support AES, SHA, TRNG, and RSA. The supply voltage is 1.62 V to 3.6 V (core) with 3.3 V typical I/O. The ATSAME70Q19A-CFN uses Microchip's proprietary SAM E70 architecture combining a Cortex-M7 core with tightly coupled memories (TCM) - 384 KB of ITCM and 256 KB of DTCM - giving deterministic zero-wait-state code execution critical for hard-real-time DSP loops. The dual 16-channel DMA controllers (DMAC + XDMA) offload data movement from the CPU, and the Peripheral Event System enables hardware-triggered task chaining without software overhead. Typical applications include industrial motor control (FOC on PMSM/BLDC), automotive body and gateway modules, audio playback and voice processing, industrial IoT edge nodes with Ethernet, HMI panels with TFT LCD, and connected sensor hubs. The 300 MHz headroom supports real-time audio decoding, predictive maintenance FFTs, and multi-protocol industrial communication stacks simultaneously. When designing with this MCU, allocate decoupling capacitance per the SAME70 reference schematic: 100 nF on every VDD pin, 4.7 uF bulk on VDDIN, and a 10 uF + 100 nF pair on VDDCORE. The UFBGA144 ball grid requires 0.4 mm-pitch microvia-in-pad PCB technology - plan your stack-up for laser-drilled vias if you intend to place decoupling capacitors beneath the package. This page synthesizes distributor pricing, drop-in same-package alternatives, parametric comparison, and practical design notes that complement the manufacturer datasheet.

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ATSAME70Q19A-CFNT - 300MHz ARM Cortex-M7 MCU 512KB Flash | Microchip
ATSAME70Q19A-CFNT

ATSAME70Q19A-CFNT - 300MHz ARM Cortex-M7 MCU 512KB Flash | Microchip

The Microchip Technology ATSAME70Q19A-CFNT is a high-performance 32-bit ARM Cortex-M7 microcontroller with Floating Point Unit (FPU), operating at up to 300 MHz and integrating 512 Kbytes of Flash and 256 Kbytes of multi-port SRAM, housed in a 144-ball UFBGA package (10x10x0.6 mm). What is an ARM Cortex-M7 microcontroller? An ARM Cortex-M7 microcontroller is a high-end 32-bit MCU core designed for deterministic real-time control with single-precision and double-precision floating-point support. It sits at the top of the Cortex-M family, above Cortex-M4/M33, and below Cortex-A application processors. In the broader taxonomy, a Cortex-M7 MCU belongs to: microcontroller -> embedded MCU -> 32-bit MCU -> ARM Cortex-M7 class -> high-performance MCU. It is the engine of choice for motor control, industrial automation, audio processing, and high-speed IoT gateways where DSP-class math and low interrupt latency are mandatory. Key features of the ATSAME70Q19A-CFNT include a 16-bit External Bus Interface (EBI) for memory expansion, a High-Speed USB Host and Device port with on-chip PHY, dual CAN-FD controllers, an Ethernet MAC with 1588 PTP, a 12-bit ADC with up to 24 channels, and a 12-bit DAC. Peripherals also include multiple SERCOM-class USART/SPI/TWI blocks, an I2S interface for digital audio, an image sensor interface, and a TFT LCD controller supporting displays up to WVGA resolution. Technically, the part is built on a low-power 65 nm CMOS process, integrates a 16 Kbyte instruction cache plus 16 Kbyte data cache, and embeds a Multi-Layer Bus Matrix with separate SRAM ports to remove contention between CPU, DMA, and bus masters. The M7 core delivers 1500 CoreMark and supports DSP extensions plus single/double-precision FPU, making it suitable for motor-control loops running under 1 µs. Typical applications include industrial motor drives (FOC/PMSM), automotive body and chassis ECUs, building automation controllers, audio processing and class-D amplification, graphical HMI panels, and high-speed IoT gateways. The wide operating temperature range and dual CAN-FD make it a strong fit for vehicle networks and factory automation. When designing with this part, note that the UFBGA144 footprint requires 6/6 mil via-in-pad or laser-drilled micro-via PCB technology for reliable assembly. Decoupling the four VDDIO domains with separate 100 nF capacitors per pin is recommended to keep the PLL clean. This page synthesizes distributor pricing, drop-in SAM E70 alternatives, and practical PCB/thermal design notes that are not present on the manufacturer datasheet.

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ATSAME70Q19A-CN - 300MHz Cortex-M7 MCU 512KB Flash LFBGA-144 | Microchip
ATSAME70Q19A-CN

ATSAME70Q19A-CN - 300MHz Cortex-M7 MCU 512KB Flash LFBGA-144 | Microchip

The Microchip ATSAME70Q19A-CN is a high-performance 32-bit ARM Cortex-M7 microcontroller from the SAM E70 family, delivering up to 300 MHz core clock speed with single-precision/double-precision hardware Floating Point Unit (FPU). It integrates 512 KB of Flash and 256 KB of SRAM in a 144-pin LFBGA package (10x10 mm), and operates across an industrial temperature range. According to the Microchip SAM E70 datasheet, this device targets applications requiring deterministic real-time response, rich connectivity, and DSP-grade signal processing performance. An ARM Cortex-M7 microcontroller is a 32-bit RISC processor core designed for embedded systems that demand high computational throughput, deterministic interrupt latency, and DSP extensions. The Cortex-M7 sits at the top of the Cortex-M family hierarchy (Cortex-M7 -> Cortex-M -> ARMv7-M architecture -> 32-bit embedded processor), and supersedes Cortex-M4/M3 by adding a superscalar pipeline, branch prediction, and an integrated single/double-precision FPU. Microcontrollers based on the Cortex-M7 are commonly chosen over Cortex-M4 alternatives when applications require complex FFTs, audio codecs, motor-control loops, or high-speed graphics. Key features include 300 MHz maximum CPU clock, 512 KB embedded Flash with prefetch cache, 256 KB SRAM, an external bus interface (EBI) supporting SDRAM, and a rich peripheral set: HS USB Host/Device with on-chip PHY, two CAN-FD controllers, three FLEXCOMs (USART/SPI/TWI), EMAC with 1588 PTP, a 12-bit 2 Msps ADC, a 12-bit DAC, and hardware crypto accelerators (AES, SHA, TRNG). The integrated FPU and DSP instructions allow DSP-grade signal processing without an external DSP chip. The ATSAME70Q19A-CN architecture pairs the Cortex-M7 core with a multi-layer AHB/APB bus matrix, dedicated DMA (XDMAC) with 24 channels, and tightly-coupled memory ports that eliminate Flash wait states for time-critical routines. This combination of bandwidth, deterministic latency, and rich analog/digital peripherals enables single-chip implementation of motor-control, audio-processing, and industrial-automation designs. Typical applications include industrial motor drives, audio processing and effects units, PLC communication modules, building automation controllers, smart energy gateways, and IoT edge nodes requiring TLS hardware acceleration. The hardware AES/SHA blocks make the device attractive for secured IoT endpoints. A key design consideration: the LFBGA-144 footprint requires at least a 4-layer PCB with microvia fan-outs to reliably escape the 0.8 mm pitch ball array; a 2-layer board is not recommended for production designs.

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ATSAME70Q19B-ANT - 300MHz Cortex-M7 MCU 512KB Flash | Microchip
ATSAME70Q19B-ANT

ATSAME70Q19B-ANT - 300MHz Cortex-M7 MCU 512KB Flash | Microchip

The Microchip Technology ATSAME70Q19B-ANT is a 32-bit ARM Cortex-M7 microcontroller with Floating Point Unit (FPU), running up to 300 MHz, integrating 512 KB of Flash and 256 KB of SRAM in a 144-pin LQFP (20x20 mm) package. It is part of the SAM E70 family of high-performance flash microcontrollers designed for embedded connectivity, motor control, and industrial applications. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, memory (Flash and SRAM), and programmable peripherals into one package. The Cortex-M7 is the highest-performance core in the ARM Cortex-M family, featuring a 6-stage superscalar pipeline, dual-issue instruction execution, and an optional FPU for single- and double-precision IEEE 754 floating-point math. Microcontrollers sit at the top of the embedded hierarchy along with microprocessors (MPU) and SoCs, but unlike MPUs they typically include on-chip memory and rich peripheral sets such as CAN, Ethernet, USB, and analog converters. Key features of the ATSAME70Q19B-ANT include 512 KB Flash, 256 KB SRAM, a 12-bit ADC (AFE) and 12-bit DAC, dual CAN-FD interfaces, Ethernet MAC, USB 2.0 Full-Speed and High-Speed, and a 144-pin LQFP package providing 114 GPIO. The device operates from 1.62 V to 3.6 V supply and supports -40C to +105C industrial temperature range, making it suitable for harsh industrial environments. Integrated Single/Dual I2S, HSMCI (SD card), and image sensor interface support multimedia and vision applications without external controllers. The ATSAME70Q19B-ANT uses a Harvard architecture with separate instruction and data buses, an MPU for memory protection, and DSP extensions including SIMD and MAC instructions. At 300 MHz it delivers up to 1500 CoreMark and 2.14 DMIPS/MHz, backed by 16 KB I-cache and 16 KB D-cache. Hardware encryption is supported through optional AES, TRNG, and secure boot, addressing IoT and connected-device security requirements. Typical applications include industrial motor control (BLDC/PMSM via PWM and quadrature encoder), industrial automation gateways with CAN-FD and Ethernet, IoT edge nodes with secure cloud connectivity, automotive body electronics (non-safety), audio processing with I2S/Class-D amplifiers, and graphics or touch HMI. The combination of Cortex-M7 DSP performance, CAN-FD, and Ethernet suits Industry 4.0 nodes. When designing with the ATSAME70Q19B-ANT, ensure decoupling capacitors are placed close to each VDD/VDDIO pin pair, and route the external 12 MHz crystal traces symmetrically with a ground guard ring to minimize EMI. The HSE Bypass mode allows clock injection from an external source, useful for synchronizing multiple boards in industrial networks. The 'ANT' suffix denotes LQFP-144, tape-and-reel packaging for surface-mount production. This page synthesizes distributor pricing, same-family drop-in alternatives, application examples, and practical design notes not consolidated on any single distributor or manufacturer page.

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ATSAME70Q19B-CN - 300MHz Cortex-M7 MCU 512KB Flash | Microchip
ATSAME70Q19B-CN

ATSAME70Q19B-CN - 300MHz Cortex-M7 MCU 512KB Flash | Microchip

The Microchip Technology ATSAME70Q19B-CN is a high-performance 32-bit ARM Cortex-M7 microcontroller with Floating Point Unit (FPU) operating at up to 300MHz, integrating 512KB of Flash and 256KB of SRAM in a 144-pin LFBGA (10x10 mm) package. The device is part of the SAM E70 family targeting industrial, automotive, and connectivity applications with a dedicated system architecture optimized for real-time deterministic response. An ARM Cortex-M7 microcontroller is a 32-bit RISC processor core designed for embedded applications requiring high computational throughput, deterministic interrupt latency, and DSP-class signal processing. The M7 architecture supersedes earlier Cortex-M4/M3 cores by adding a six-stage superscalar pipeline, dual-issue capability, branch prediction, and a single-precision FPU that together deliver roughly twice the CoreMark/mW efficiency of an M4. Within Microchip's wider hierarchy, the SAM E70 series sits between the Cortex-M4-based SAM S70/SAM E70 siblings and the Cortex-M7 high-end portfolio, bridging motor control, industrial automation, and high-speed connectivity. Key features include 300MHz core frequency, 512KB Flash with ECC, 256KB SRAM, an integrated 12-bit ADC, a 12-bit DAC, multiple UART/SPI/TWI interfaces, HS USB, dual CAN-FD controllers, and an Ethernet MAC. The 144-LFBGA package provides a small footprint suitable for space-constrained designs while exposing a rich peripheral set for system integration. The device operates from a 1.2V internal core supply with wide I/O tolerance. Architecturally, the SAME70Q19B-CN uses the M7's tightly-coupled memory (TCM) interface with configurable wait states, supports cryptographic accelerators in related family members, and integrates a high-speed bus matrix. Performance analysis shows the device achieves over 1500 CoreMark while maintaining deterministic interrupt response under 12 cycles, making it suitable for hard-real-time control loops. Typical applications include industrial motor control (BLDC/PMSM drives), factory automation PLCs, automotive body and chassis subsystems, audio processing with the integrated DAC, high-speed connectivity gateways, and graphical HMI terminals. Designers appreciate the SAM E70 family for offering Cortex-M7 performance with mature Microchip ecosystem support (MPLAB X, Harmony 3, ASF). When designing with this device, ensure the PCB layout adheres to the LFBGA-144 escape routing guidelines and that the 1.2V core is supplied by an internal LDO that requires adequate bulk capacitance on VDDCORE pins. Decoupling must follow the reference schematic in the datasheet. This page synthesizes distributor pricing, drop-in alternatives within the SAME70 family, and practical design notes that complement the Microchip datasheet with cross-brand sourcing intelligence.

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ATSAME70Q20A-CFN - 300MHz Cortex-M7 MCU 1MB Flash | Microchip
ATSAME70Q20A-CFN

ATSAME70Q20A-CFN - 300MHz Cortex-M7 MCU 1MB Flash | Microchip

The Microchip ATSAME70Q20A-CFN is a high-performance 32-bit ARM Cortex-M7 microcontroller with Floating Point Unit, operating at up to 300 MHz and integrating 1 MB of Flash and 384 KB of SRAM in a 144-ball UFBGA (10x10x0.6 mm) package. Designed for demanding embedded applications, the device features a 6-layer bus matrix (AHB/APB), an integrated 16-bit bridge to external SDRAM, and a rich peripheral set including high-speed USB, HS SD card/SDIO, EMAC with 1588, CAN-FD, and a 12-bit 2 MSPS AFEC. The Cortex-M7 core includes a single-precision FPU, DSP extensions, and ICache/DCache with ECC for deterministic real-time execution. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), working memory (SRAM), and configurable peripherals behind a tightly-coupled bus matrix. In the broader taxonomy, the ATSAME70Q20A belongs to ARM Cortex-M7 microcontrollers -> 32-bit Flash MCUs -> embedded microcontrollers -> microprocessors and controllers. The Cortex-M7 architecture specifically targets high-performance deterministic signal processing, replacing traditional MCU+DSP dual-chip designs in audio, motor-control, and industrial automation systems. Key features of the ATSAME70Q20A-CFN include 1 MB on-chip Flash with secure bootloader support, 384 KB SRAM with error correction, 16-bit external bus interface (EBI) for SRAM/SDRAM/NOR, a 2-channel 16-bit PWM timer plus 24-bit purpose timer/counter, and up to 114 programmable I/O lines. An integrated 12-bit 2 MSPS analog front-end with up to 24 channels supports high-speed mixed-signal designs without external ADCs. Architecturally, the SAME70 family uses a 6-layer AHB bus matrix enabling parallel DMA and CPU accesses without contention, plus a dedicated Cortex-M7 Floating Point Unit delivering up to 600 DMIPS / 1284 CoreMark. Hardware cryptographic acceleration (AES, TDES, SHA), true random number generator (TRNG), and secure RTC support IEC 62443-friendly connected designs. Operating voltage spans 1.62-3.6 V across -40C to +85C industrial temperature range. Typical applications include industrial motor control (FOC for PMSM/BLDC), automotive body and chassis ECUs, audio/video processing, smart energy gateways with Ethernet connectivity, building automation, and IoT edge nodes requiring TLS/secure-boot. Its combination of Cortex-M7 DSP, FPU, and EMAC makes it a popular choice for EtherCAT/POWERLINK slave controllers. When designing with the ATSAME70Q20A-CFN, allocate at least 6 decoupling capacitors (100 nF + 4.7 uF per VDD pair) and follow the SAME70 hardware design checklist for EBI/SDRAM signal integrity. The 0.6 mm-pitch UFBGA requires HDI PCB fabrication with microvia stacks for fan-out routing. This page synthesizes distributor pricing as of 2026-09-22, SAME70 family drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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ATSAME70Q20A-CN - 300MHz Cortex-M7 MCU 1MB Flash LFBGA-144 | Microchip
ATSAME70Q20A-CN

ATSAME70Q20A-CN - 300MHz Cortex-M7 MCU 1MB Flash LFBGA-144 | Microchip

The Microchip ATSAME70Q20A-CN is a high-performance 32-bit ARM Cortex-M7 microcontroller with Floating Point Unit (FPU) operating at up to 300 MHz, integrating 1 MB of Flash and 384 KB of SRAM in a 144-pin LFBGA package. It is part of the SAME70 family and operates from a 1.8V/2.5V/3.3V supply with industrial temperature range (-40C to +85C). The suffix -CN designates the LFBGA-144 tray packaging. A Cortex-M7 microcontroller is a 32-bit ARM processor core designed for high-performance embedded applications, featuring a six-stage superscalar pipeline, single/double-precision FPU, and tightly-coupled memory for deterministic real-time response. Within the broader hierarchy, the M7 sits above Cortex-M4 microcontrollers in compute capability and below Cortex-A application processors, belonging to the ARM microcontroller family used in motor control, industrial automation, and audio processing. The ATSAME70Q20A-CN adds DSP extensions, MPU, and a rich peripheral set, positioning it for high-end embedded designs. Key features include 1 MB embedded Flash with error correction, 384 KB SRAM (including 128 KB TCM for core data), a 16-bit External Bus Interface (EBI) supporting SDRAM, NAND Flash, and SRAM, USB 2.0 High-Speed with on-chip PHY, dual CAN-FD controllers, Ethernet MAC with 1588 PTP support, and a 12-bit ADC up to 1.7 Msps. Cryptographic features include AES, TRNG, and secure boot. The high-speed peripheral set makes the part suitable for industrial connectivity, HMI, and audio codec interfaces. The ATSAME70Q20A-CN's architecture combines Cortex-M7 core performance with Microchip's SAM family peripheral integration. The FPU accelerates floating-point DSP tasks like FFT, FIR filtering, and motor control algorithms. Dual tightly-coupled memories (TCM) provide deterministic code/data access without wait states, while the multi-layer bus matrix allows simultaneous peripheral DMA traffic. Hardware cryptographic acceleration offloads AES and TRNG from the CPU. Typical applications include industrial motor control (FOC drives, servo controllers), audio processing (multi-channel playback, USB audio interfaces), HMI and graphical touch panels, building automation gateways, and high-speed communication hubs (CAN-FD, USB, Ethernet). The 1 MB Flash supports complex RTOS and full TCP/IP stacks with HTTPS. When designing with the ATSAME70Q20A-CN, ensure proper decoupling with 100 nF ceramic capacitors on every supply pin and a 4.7 uF bulk capacitor on VDDIO. The LFBGA-144 package requires PCB design with microvia technology and controlled impedance routing for high-speed USB and Ethernet traces. The internal 1.2V core LDO must be enabled with external capacitors per the datasheet reference circuit. This page synthesizes distributor pricing across 12 channels, drop-in SAME70 family alternatives, and PCB design notes not found in the manufacturer datasheet, providing engineering context for high-performance Cortex-M7 MCU selection.

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ATSAME70Q20A-CNT - 300MHz Cortex-M7 MCU, 1MB Flash | Microchip
ATSAME70Q20A-CNT

ATSAME70Q20A-CNT - 300MHz Cortex-M7 MCU, 1MB Flash | Microchip

The Microchip Technology ATSAME70Q20A-CNT is a 32-bit ARM Cortex-M7 microcontroller with FPU operating at up to 300 MHz, integrating 1 MB of Flash and 384 KB of SRAM in a 144-pin LFBGA (10x10 mm) package. It belongs to the SAM E70 family of high-performance flash microcontrollers designed for connected, real-time, and graphics-intensive embedded applications. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (SRAM), and a rich set of peripherals. The Cortex-M7 is the highest-performance ARM Cortex-M core, featuring a 6-stage superscalar pipeline, branch prediction, single/double-precision FPU, and optional ICache/DCaches that deliver Dhrystone 2.1 performance exceeding 1500 DMIPS. Compared to Cortex-M4, the M7 typically offers 2x DSP and floating-point throughput, making it ideal for signal processing and high-speed control loops. Key features of the ATSAME70Q20A-CNT include a 300 MHz core with FPU, 1 MB Flash, 384 KB SRAM (multi-port SRAM with optional ECC), and an extensive peripheral set: High-Speed USB Host/Device with on-chip PHY, dual CAN-FD, 10/100 Ethernet MAC with IEEE 1588 PTP support, HS SD card/MMC interface, image sensor interface, 12-bit 2 MSPS ADC, 12-bit DAC, I2S, and TFT LCD controller. The device operates from 1.2V core and 3.3V I/O supplies, and the -CNT suffix indicates the industrial temperature range (-40C to +85C) in Tape & Reel packaging. Typical applications include industrial automation and PLCs, motor control and drives, smart energy metering, building automation, automotive telematics and infotainment, medical instrumentation, point-of-sale terminals, and embedded graphics with TFT displays. The combination of Ethernet, CAN-FD, and USB makes the SAM E70 especially suited to industrial IoT gateways requiring deterministic wired connectivity. When designing with this MCU, ensure the 1.2V core regulator (LDO or switching) can supply transient currents of ~250 mA during clock transitions. Use a multi-layer PCB with a continuous ground pour under the LFBGA to manage thermal dissipation and provide low-impedance return paths for the high-speed HS USB and Ethernet signals. This page synthesizes distributor pricing, drop-in alternatives, application guidance, and design notes for the ATSAME70Q20A-CNT that go beyond the manufacturer datasheet, optimized for engineers and procurement teams evaluating Cortex-M7 MCU options in 2026.

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ATSAME70Q20B-AN - 300MHz Cortex-M7 MCU, 1MB Flash | Microchip
ATSAME70Q20B-AN

ATSAME70Q20B-AN - 300MHz Cortex-M7 MCU, 1MB Flash | Microchip

The Microchip Technology ATSAME70Q20B-AN is a high-performance 32-bit ARM Cortex-M7 microcontroller with FPU, operating at up to 300 MHz, integrating 1 MB of Flash and 384 KB of SRAM in a 144-pin LQFP (20x20 mm) package. It belongs to the SAM E70 family of flash microcontrollers designed for industrial connectivity, motor control, and graphical HMI applications. A microcontroller (MCU) is a single-chip computer containing a processor core, memory, and programmable peripherals. The Cortex-M7 core is ARM's highest-performance M-class core with a 6-stage superscalar pipeline, double-precision FPU, and tightly-coupled memory (TCM) for deterministic interrupt response. The SAM E70 family sits above Cortex-M4 parts in ARM's portfolio, bridging the gap between MCU and MPU for compute-intensive embedded designs. Key differentiating specifications include a 300 MHz core clock, 1 MB on-chip Flash, 384 KB SRAM (plus 16 KB ICache and 16 KB DCache), and an extensive peripheral set: HS USB with on-chip PHY, dual CAN-FD, Ethernet MAC with 1588 PTP, and a high-speed 12-bit 2 MSPS ADC. The 144-LQFP package exposes up to 114 GPIO, supporting parallel bus interfaces for external memory and displays. Architecturally, the device combines the Cortex-M7 core with 4 KB each of ICache and DCache for branchy C-code workloads, plus 384 KB of system SRAM. The advanced peripherals include a graphics LCD controller (up to XGA resolution), a camera interface, and a 32-bit external bus interface (EBI) for SRAM/SDRAM/NOR/NAND expansion. A single 1.2 V internal LDO and 3.3 V I/O ring optimize power dissipation across the 300 MHz operating range. Typical applications include industrial motor drives, building automation controllers, IoT edge gateways with Ethernet, graphical HMI panels, automotive telematics, and medical instrumentation. The combination of Cortex-M7 DSP/FPU performance with Ethernet, CAN-FD, and USB makes it well suited for connected industrial nodes requiring deterministic communication. When designing with the ATSAME70Q20B-AN, ensure the 3.3 V analog supply (VDDANA) is decoupled with a low-ESR 100 nF plus 10 uF bulk capacitor, and that the 1.2 V core is supplied by the internal LDO with adequate bulk capacitance (4.7 uF + 100 nF) on VDDOUT. The high-speed ADC requires a clean AREF reference and a low-impedance ground return. This page synthesizes real-time distributor pricing, drop-in package-compatible alternatives (same LQFP-144 footprint), and practical design notes that are not found in the manufacturer datasheet alone.

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ATSAME70Q20B-ANT - 300MHz Cortex-M7 MCU 1MB Flash LQFP-144
ATSAME70Q20B-ANT

ATSAME70Q20B-ANT - 300MHz Cortex-M7 MCU 1MB Flash LQFP-144

The Microchip ATSAME70Q20B-ANT is a 32-bit ARM Cortex-M7 microcontroller with FPU operating up to 300 MHz, featuring 1 MB of Flash and 384 KB of SRAM in a 144-pin LQFP (20x20 mm) package. Designed for high-performance embedded applications, it integrates a 16-bit external data bus with a 24-bit address bus, multiple PWM channels, ADC, DMA, and DAC peripherals. The device operates across an industrial temperature range of -40C to +105C from a nominal 1.2V core supply. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (SRAM), and a rich set of peripherals on one silicon die. The Cortex-M7 belongs to the ARM Cortex-M family of processors optimized for microcontroller use; it adds a double-precision FPU, branch prediction, and tight tightly-coupled memory interfaces that make it the highest-performance Cortex-M core available. Within Microchip's portfolio the ATSAME70Q20B belongs to the SAME70 family, which sits at the top of the SAM E7x high-performance series targeted at motor control, industrial connectivity, and audio/graphics HMI. Key features include 300 MHz Cortex-M7 core with double-precision FPU, 1 MB Flash with dual-bank support for live update, 384 KB SRAM with 128 KB tightly-coupled SRAM for deterministic code/data, and a 16-bit external bus interface (EBI) that allows connection to SRAM, SDRAM, and NOR/NAND Flash. The integrated High-Speed USB Host/Device with on-chip PHY, two CAN-FD controllers, and an EMAC with 1588 PTP support position it for industrial Ethernet and Fieldbus gateways. From an architectural perspective the SAME70Q20B uses a 7-layer AHB bus matrix and dedicated peripherals connected via separate bridges, which lets the DMA-driven XDMAC service high-bandwidth streams without stalling the CPU. The integrated Embedded Trace Macrocell (ETM) plus 4-bit trace port makes real-time instruction trace feasible at 300 MHz - rare for an MCU at this price point. Typical applications include industrial motor control (FOC for 3-phase PMSM/BLDC drives), automotive telematics and gateway ECUs, building automation (BACnet/KNX bridges), Point-of-Sale terminals, machine vision edge nodes, and high-end audio/voice front ends. Pairing with the SAME70 Xplained Pro evaluation kit accelerates firmware bring-up. When designing with the ATSAME70Q20B-ANT, pay attention to the 1.2V core rail which must be supplied either by an internal LDO regulator mode or an external switching regulator. Decoupling the VDDCORE pin with 100 nF + 4.7 uF close to the package, and providing adequate bulk capacitance on VDDIO and VDDPLL pins, is critical for stable operation at 300 MHz. The 144-pin LQFP footprint is shared with most other ATSAME70/ATSAMS70/ATSAMV71 derivatives, easing PCB reuse across variants. This page synthesizes distributor pricing for the ATSAME70Q20B-ANT, lists same-family drop-in alternatives, and combines practical design guidance not consolidated in the manufacturer datasheet.

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ATSAME70Q20B-CFN - ARM Cortex-M7 MCU 300MHz 1MB Flash | Microchip
ATSAME70Q20B-CFN

ATSAME70Q20B-CFN - ARM Cortex-M7 MCU 300MHz 1MB Flash | Microchip

The Microchip Technology ATSAME70Q20B-CFN is a high-performance 32-bit ARM Cortex-M7 microcontroller with FPU, operating at up to 300 MHz, featuring 1 MB of Flash and 384 KB of SRAM in a 144-ball UFBGA (6x6) package. It integrates an Embedded Flash memory controller, multi-port SRAM, and a rich set of peripherals designed for industrial and consumer embedded systems that demand real-time DSP and deterministic control. A Cortex-M7 microcontroller is a 32-bit ARM processor core featuring a six-stage pipeline, hardware single-precision and double-precision floating-point unit, branch prediction, and tightly-coupled memories for deterministic low-latency code and data access. The Cortex-M7 sits at the top of the Cortex-M family and belongs to the ARM microcontroller taxonomy (ARM Cortex-M -> 32-bit MCU -> microcontroller -> semiconductor), bridging the gap between classic microcontrollers and application processors for high-performance DSP and control workloads. Key features include the 300 MHz Cortex-M7 core with double-precision FPU, 16 KB I-cache and 16 KB D-cache, 1 MB dual-bank Flash with ECC, 384 KB multi-port SRAM, an embedded Flash controller, high-speed USB 2.0 High-Speed with on-chip PHY, dual CAN-FD controllers, an Ethernet MAC with IEEE 1588 1588v2 support, and a 12-bit 2 MSPS ADC. Communication peripherals include HS USB, FS USB, dual CAN-FD, Ethernet GMII/MII, multiple USART/UART/SPI/TWI/I2S, and an SD-card / eMMC-compatible HSMCI interface. The UFBGA-144 package exposes up to 109 GPIO with multiple 5V-tolerant I/O lines. Typical applications include industrial automation controllers, building automation and HVAC, smart-energy and IEC 62054-21 metering platforms, motor control and field-oriented control drives, automotive body and chassis ECUs, medical instrumentation, point-of-sale terminals, multi-axis CNC and robotics controllers, and high-speed IoT gateways. The Cortex-M7 core paired with the Ethernet MAC, USB HS PHY, and CAN-FD makes this MCU a strong fit for connected industrial nodes requiring real-time control with on-chip connectivity. When designing with this device, ensure the PCB layout respects the UFBGA-144 0.5 mm ball pitch and 6x6 mm body. Use the on-chip voltage regulator with proper decoupling per the datasheet, keep HS-USB differential pairs length-matched, and validate external SDRAM timing when using the External Bus Interface for extended memory. Always review the latest errata before committing to a board revision. This page synthesizes Microchip product documentation, distributor pricing, drop-in alternatives, and engineering design notes not consolidated in the manufacturer datasheet alone.

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ATSAME70Q20B-CN - 300MHz Cortex-M7 MCU, 1MB Flash | Microchip
ATSAME70Q20B-CN

ATSAME70Q20B-CN - 300MHz Cortex-M7 MCU, 1MB Flash | Microchip

The Microchip ATSAME70Q20B-CN is a high-performance 32-bit ARM Cortex-M7 microcontroller from the SAM E70 family, operating at up to 300 MHz with a single-precision Floating Point Unit (FPU). It integrates 1 MB of Flash and 384 KB of SRAM in a 144-pin LFBGA (10x10 mm) package, targeting industrial, automotive, and connected embedded designs requiring deterministic real-time response. The Cortex-M7 core delivers 1500 CoreMark / 300 DMIPS performance and supports DSP extensions, double-precision FPU, and ICache/DCache for tight loops. What is a Cortex-M7 microcontroller? A Cortex-M7 microcontroller is a high-end 32-bit MCU based on the ARM Cortex-M7 processor core, designed for applications requiring high computational throughput, floating-point arithmetic, and DSP performance. Within the broader taxonomy it sits at the top of the Cortex-M family, above Cortex-M4/M3, and belongs to the general category of embedded microcontrollers (MCUs) used in industrial control, motor drives, audio processing, and graphical HMI. Key features include 1 MB embedded Flash, 384 KB multi-port SRAM with 32 KB tightly-coupled memory (TCM), a 16-bit external bus interface (EBI) for SDRAM/NAND/NOR expansion, and a rich connectivity suite: Ethernet MAC (10/100 Mbps), USB 2.0 High-Speed PHY, CAN-FD, HS-SPI, TWI (I2C), and USART. Integrated peripherals include an advanced 12-bit ADC up to 2 Msps, 12-bit DAC, motor-control PWMs (PWMH/PWML), camera interface, and an on-chip cryptographic accelerator suite supporting AES, TDES, SHA, and True Random Number Generator (TRNG). Technically, the device is built on a low-power 65 nm process and supports an operating voltage range of 1.62-3.6 V. It includes a sophisticated Event System for hardware-triggered inter-peripheral signaling without CPU intervention, a 32-bit Real-Time Clock with calendar, and a Parallel Capture Controller. The dual 16-channel 12-bit ADC with up to 24 analog inputs and oversampling enables precision sensor acquisition. A 32-bit Sigma-Delta audio interface is integrated for high-fidelity digital audio. Typical applications include industrial motor control (FOC/PMSM drives), PLC and factory automation controllers, building automation gateways, automotive body and ADAS sensor fusion, audio DSP processors, smart energy meters, and graphical HMI panels. The combination of 300 MHz core speed, 1 MB Flash, and 384 KB SRAM makes it well-suited for protocol stacks running concurrently (e.g., EtherCAT + CAN-FD + USB). When designing with this device, pay attention to BGA fan-out, signal integrity on high-speed EBI/HS-USB traces, and thermal management at sustained 300 MHz operation. Decoupling must include 100 nF X7R per power pin and 4.7 µF bulk near the LDO inputs. Programming is supported by Atmel Studio 7, MPLAB X IDE, and Microchip's Harmony framework. This page synthesizes distributor pricing, pin-compatible drop-in alternatives within the SAME70 family, and practical design notes that complement the manufacturer datasheet for engineers evaluating ATSAME70Q20B-CN for new designs.

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ATSAME70Q20B-CNT - 300MHz Cortex-M7 MCU 1MB Flash LFBGA-144 | Microchip
ATSAME70Q20B-CNT

ATSAME70Q20B-CNT - 300MHz Cortex-M7 MCU 1MB Flash LFBGA-144 | Microchip

The Microchip Technology ATSAME70Q20B-CNT is a 32-bit ARM Cortex-M7 microcontroller with Floating Point Unit (FPU) operating at up to 300 MHz, integrating 1 MB of Flash and 384 KB of SRAM in a 144-pin LFBGA (10x10 mm) package. It belongs to the SAM E70 family, designed for high-performance embedded applications requiring deterministic real-time response, DSP-grade math, and rich connectivity peripherals. A microcontroller (MCU) is a single-chip computer that integrates a processor core, memory, and programmable I/O peripherals on one silicon die. The ARM Cortex-M7 architecture represents the highest-performance member of the ARMv7-M Cortex-M family, featuring a 6-stage superscalar pipeline, branch prediction, single-precision and double-precision FPU, and tightly-coupled memory (TCM) for deterministic interrupt latency. SAM E70 devices sit in the high-performance tier above Cortex-M4 parts, suitable for motor control, audio processing, and industrial networking. Key features of the ATSAME70Q20B-CNT include 1 MB Flash (single-bank with ECC), 384 KB SRAM with ECC support, dual 16-bit Analog Front End (AFE) capable of motor-control PWM, High-Speed USB Host+Device with on-chip PHY, two CAN-FD controllers, IEEE 1588-capable Ethernet MAC (GMAC), and an image-sensor interface. The part supports up to 144 GPIO and runs from a 1.2 V internal core supply with 3.3 V I/O. The SAM E70 architecture integrates DSP extensions (SIMD) and an MPU for safety isolation. AHB/APB matrix with dedicated bridges enables concurrent DMA-driven peripheral activity without starving the CPU, while the Embedded Trace Macrocell (ETM) provides non-intrusive instruction tracing for debugging complex firmware. Typical applications include industrial motor drives (BLDC, PMSM, FOC), factory automation controllers, building-automation gateways, audio processing units, and connected IoT edge nodes. The Ethernet+CAN-FD combination makes the part well suited for industrial networked control. When designing with this device, allocate adequate decoupling: at least 100 nF + 4.7 uF near each VDD pin. Place the 12 MHz crystal within 5 mm of XIN/XOUT, route the QSPI signals impedance-controlled, and keep the TCK/SWDIO traces short to maintain debug reliability. This page synthesizes distributor pricing, same-family pin-compatible variants, and practical design notes not found in the standalone manufacturer datasheet - a curated knowledge base for engineers evaluating the SAM E70 family for production designs.

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ATSAME70Q21A-A - 300MHz Cortex-M7 MCU, 2MB Flash | Microchip
ATSAME70Q21A-A

ATSAME70Q21A-A - 300MHz Cortex-M7 MCU, 2MB Flash | Microchip

The Microchip Technology ATSAME70Q21A-A is a 32-bit ARM Cortex-M7 microcontroller with FPU operating at up to 300MHz, featuring 2MB of Flash and 384KB of SRAM, housed in a 144-pin LQFP package (20x20mm). The device integrates an advanced peripheral set including a High-Speed USB Host/Device with PHY, a 10/100Mbps Ethernet MAC with 1588 precision time protocol support, dual CAN-FD controllers, and a 16-bit HSPI interface for high-bandwidth peripherals. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, memory, and programmable peripherals. The ATSAME70Q21A-A sits within the high-performance tier of Cortex-M7 microcontrollers, which in turn belong to the ARM Cortex-M processor family designed for deterministic real-time embedded applications. As a member of the SAM E70 family, this part targets industrial networking, motor control, and graphical HMI applications where high computational throughput and deterministic interrupt response are essential. Key features include a single-precision/double-precision FPU for floating-point DSP workloads, a 32KB instruction cache plus 32KB data cache, tightly-coupled SRAM for zero-wait-state code execution, and a Camera Interface for image sensor input. The device operates from 1.8V to 3.3V I/O with an internal voltage regulator, and supports industrial operating temperature ranges. An integrated cryptographic accelerator and True Random Number Generator (TRNG) provide hardware-accelerated security primitives for connected-embedded designs. The Cortex-M7 core features superscalar instruction execution, branch prediction, and DSP extensions including SIMD instructions. This architecture delivers up to 1500 CoreMark performance, making the ATSAME70Q21A-A suitable for complex control loops and signal processing. The peripheral DMA controller (XDMAC) with linked-list descriptors offloads data movement from the CPU, preserving bandwidth for application logic. Typical applications include industrial PLC and HMI panels, motor control FOC drives, industrial Ethernet nodes (EtherCAT/PROFINET), smart energy gateways, automotive infotainment and ADAS sensor fusion, and connected IoT edge gateways. The wide peripheral mix and 300MHz throughput make it ideal for deterministic multi-protocol industrial nodes. When designing with this MCU, ensure the VDDCORE and VDDIO rails are sequenced correctly per the datasheet power-up requirements. Use the MPLAB Harmony 3 framework for peripheral drivers, and consider the PBGA-144 variant for designs requiring smaller footprint or improved thermal dissipation through the bottom thermal pad. This page synthesizes drop-in alternatives, parametric comparisons, and practical design notes not found in the manufacturer datasheet alone, helping engineers select and qualify the ATSAME70Q21A-A for high-performance embedded designs.

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ATSAME70Q21A-AN - 300MHz Cortex-M7 MCU 2MB Flash | Microchip
ATSAME70Q21A-AN

ATSAME70Q21A-AN - 300MHz Cortex-M7 MCU 2MB Flash | Microchip

The Microchip Technology ATSAME70Q21A-AN is a high-performance 32-bit ARM Cortex-M7 microcontroller with Floating Point Unit (FPU) operating at up to 300 MHz, integrating 2 MB of Flash and 384 KB of SRAM in a 144-pin LQFP (20x20 mm) package. Part of the SAM E70 family, this MCU delivers 1500 CoreMark / 300 DMIPS performance and embeds a rich set of peripherals including HS USB Host/Device with on-chip PHY, CAN-FD, 10/100 Ethernet MAC, image sensor interface (ISI), and high-speed synchronous serial interfaces for TFT displays and audio codecs. A microcontroller (MCU) is a single-chip computer containing a processor core, program memory (Flash), data memory (SRAM), and integrated peripherals. Within the broader semiconductor taxonomy, an MCU belongs to the category of microcontrollers -> embedded processors -> integrated circuits -> semiconductors. The Cortex-M7 core specifically targets digital signal control applications by combining deterministic interrupt response with DSP extensions and a double-precision FPU, enabling complex control loops and signal processing without external DSP chips. Key differentiating features of the ATSAME70Q21A-AN include 2 MB dual-bank Flash allowing live firmware updates, 384 KB tightly-coupled SRAM for low-latency code/data access, hardware cryptography accelerators (AES, TRNG), 16-bit SDRAM controller, and a 12-bit 2 MSPS ADC with up to 24 channels. The device operates from 1.62 V to 3.6 V supply and supports industrial temperature range -40C to +85C. The architecture integrates a 16 KB I-cache and 16 KB D-cache connected via a 64-bit AXI bus to the multi-layer bus matrix, isolating CPU traffic from DMA channels. This bandwidth headroom is critical for sustaining 300 MHz operation with simultaneous Ethernet, USB, and display refresh activity. The Peripheral Event System and PDC/DMA channels enable autonomous data movement without CPU intervention, ideal for motor control and audio streaming. Typical applications include industrial automation controllers, automotive infotainment and instrument clusters, building automation gateways, smart energy metering, audio amplifiers and PA systems, drone flight controllers, and HMI terminals with TFT displays. The combination of Ethernet and CAN-FD makes the part particularly suited to Industry 4.0 edge nodes. When designing with this MCU, allocate PCB space for the 20x20 mm LQFP footprint and provide adequate decoupling (100 nF + 4.7 uF per VDD pin pair) near the exposed pad. Use MPLAB X IDE with MPLAB XC32 compiler; SAM E70 BSP and ASF3 drivers accelerate peripheral bring-up. For safety-critical firmware, enable the dual-bank Flash and use the hardware CRC32 module. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

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ATSAME70Q21A-ANT - Cortex-M7 MCU 300MHz 2MB Flash | Microchip
ATSAME70Q21A-ANT

ATSAME70Q21A-ANT - Cortex-M7 MCU 300MHz 2MB Flash | Microchip

The Microchip Technology ATSAME70Q21A-ANT is a high-performance 32-bit ARM Cortex-M7 microcontroller with Floating Point Unit, operating at up to 300 MHz, integrating 2 MB of Flash and 384 KB of SRAM in a 144-pin LQFP (20x20 mm) package with tape-and-reel packaging. Headline parameters: 300 MHz CPU clock, 2 MB Flash, 384 KB multi-port SRAM, LQFP-144. What is a Cortex-M7 microcontroller? A Cortex-M7 is a 32-bit ARM processor core designed for high-performance embedded applications requiring DSP capability and single-precision floating-point arithmetic. It sits in the ARM Cortex-M hierarchy above Cortex-M4 and below Cortex-A application cores, and is widely used in industrial motor control, audio processing, and high-speed data acquisition. As a microcontroller IC it belongs to the broader category of embedded processors, integrating CPU core, memory, peripherals, and analog interfaces on a single die. Key features include a 16-bit External Bus Interface (EBI) supporting SDRAM/LDDRAM/NAND Flash controllers, a high-speed USB 2.0 High-Speed PHY (480 Mbps) with on-chip transceiver, dual CAN-FD controllers, and a built-in 10/100 Ethernet MAC with IEEE 1588 PTP support for time-sensitive networking. The device integrates a 12-bit 2 MSPS ADC, two 12-bit 1 MSPS DACs, and a comprehensive set of timers including PWM, QEI, and quadrature decoders for motor and power-conversion control. The ATSAME70Q21A uses an advanced 65nm process and a dual-bank Flash architecture with 128-bit-wide access that delivers zero-wait-state execution from Flash at 300 MHz. The multi-port SRAM is split into four banks allowing simultaneous CPU and DMA access, eliminating contention in high-bandwidth streaming applications such as audio codecs, vision processing, and motor control loops. Typical applications include industrial drives (servo and stepper), automotive body and chassis ECUs, audio amplifiers and soundbars, machine vision cameras, smart metering, building automation, and Ethernet-connected IoT gateways. The high-speed USB, CAN-FD and Ethernet peripherals allow simultaneous wired connectivity while the Cortex-M7 DSP performance handles sensor fusion in real time. When designing with the ATSAME70Q21A, ensure the PCB layout provides a solid ground plane and short traces for the high-speed USB differential pair (D+/D-), Ethernet TX/RX pairs, and the 12 MHz crystal reference. The 144-LQFP package has a thermal pad that must be soldered to the ground plane for proper thermal dissipation and signal return. This page synthesizes distributor pricing, drop-in alternatives, comparison data and practical design notes that go beyond what is found in the bare Microchip datasheet, helping engineers select and source the right part for high-performance Cortex-M7 designs.

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ATSAME70Q21A-CFNT - 300MHz Cortex-M7 MCU 2MB Flash | Microchip
ATSAME70Q21A-CFNT

ATSAME70Q21A-CFNT - 300MHz Cortex-M7 MCU 2MB Flash | Microchip

The Microchip Technology ATSAME70Q21A-CFNT is a high-performance 32-bit ARM Cortex-M7 microcontroller with FPU operating at up to 300MHz, integrating 2MB of Flash and 384KB of multi-port SRAM in a 144-pin UFBGA (10x10x0.6mm) package. What is a Cortex-M7 microcontroller? An ARM Cortex-M7 MCU is a 32-bit RISC processor core designed for high-performance embedded applications requiring DSP capability, single-precision/double-precision floating-point math, and deterministic real-time response. Within the broader taxonomy, the Cortex-M7 sits at the top of the Cortex-M family (Cortex-M0/M0+/M3/M4/M7), and the SAM E70 belongs to Microchip's high-end MCU family that competes with Cortex-M7 parts from ST, NXP, and Renesas. It is the central compute element in systems where an M4-class MCU is insufficient but an applications processor is unnecessary. Key features of the ATSAME70Q21A-CFNT include 2MB on-chip Flash (2M x 8), 384KB SRAM, 16KB instruction cache plus 16KB data cache, a high-speed USB 2.0 High-Speed PHY with on-chip transceiver, dual CAN-FD controllers, an EMAC with 1588 PTP, image sensor interface, and a 12-bit ADC up to 2Msps. The 6-channel 16-bit PWM timer plus 8-channel 16-bit timer counter blocks make it suitable for motor and power conversion control. The peripheral DMA controller (PDC) and AHB bus matrix with QoS optimization allow sustained memory bandwidth at full core clock. Architecturally, the ATSAME70Q21A-CFNT combines a superscalar Cortex-M7 core with Tightly Coupled Memory (TCM) interfaces and multi-port SRAM that delivers zero-wait-state performance to 384KB of fast memory while the 2MB Flash is accessed via an AHB interface with cache acceleration. The integrated FPU supports both single and double precision, enabling complex DSP and control algorithms without software emulation overhead. Hardware cryptographic accelerators and True Random Number Generator (TRNG) provide security primitives for connected applications. Typical applications include industrial automation and PLCs, automotive body and infotainment ECUs, building automation and HVAC controllers, medical instrumentation with graphical displays, audio processing and high-end consumer audio, point-of-sale terminals, and IoT edge gateways requiring Ethernet connectivity with real-time deterministic response. The combination of HS USB, EMAC, and CAN-FD also makes it appropriate for industrial networking and remote telemetry. When designing with this device, pay attention to the 144-ball UFBGA escape and the on-chip LDO/core supply sequencing. The internal 1.2V core regulator requires a specific decoupling network. For high-speed USB, follow the reference design layout for the 90-ohm differential pair. When migrating from a TFBGA-based SAMS70 design, the pinout is compatible within the same family.

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ATSAME70Q21A-CN - 300MHz Cortex-M7 MCU 2MB Flash | Microchip
ATSAME70Q21A-CN

ATSAME70Q21A-CN - 300MHz Cortex-M7 MCU 2MB Flash | Microchip

The Microchip ATSAME70Q21A-CN is a high-performance 32-bit ARM Cortex-M7 microcontroller with Floating Point Unit, operating up to 300 MHz and featuring 2 MB of Flash and 384 KB of SRAM in a 144-pin LFBGA (10x10 mm) package. The device integrates 16 KB of ICache and DCache, a 16-bit SDRAM interface, 12-bit AFEC, and a Hi-Speed USB PHY with on-chip transceiver, making it suitable for connected embedded designs. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program and data memory, and programmable peripherals. The Cortex-M7 family represents ARM's highest-performance Cortex-M core, featuring a 6-stage superscalar pipeline, branch prediction, single-precision FPU, and tightly-coupled memory (TCM) for deterministic real-time response. The SAM E70 line sits at the top of the Cortex-M tier for industrial, automotive, and IoT gateway applications where DSP-class math is required. Key features include the Cortex-M7 core running at 300 MHz with 16 KB ICache and 16 KB DCache, 384 KB SRAM with ECC, 2 MB Flash program memory, and a 16-bit external SDRAM controller supporting up to 64 MB. The peripheral set includes a 12-bit 2 MSPS ADC, two CAN-FD controllers, three USART/UART, two I2C, three SPI, one HS USB OTG with on-chip PHY, Ethernet MAC with 1588 PTP support, and a CMOS image sensor interface. The on-chip FPU enables single-precision IEEE 754 math in hardware. Architecturally, the SAM E70 family is pin-to-pin compatible with the SAM4E family (100-pin and 144-pin variants) and the lower-density SAM E70 members (Q19, Q20). This compatibility allows code and PCB reuse across product tiers and across migration from older SAM4E designs. The 144-LFBGA package provides high I/O density for applications requiring many external interfaces. Typical applications include industrial motor control (BLDC, servo, stepper), building automation (HVAC controllers, smart thermostats), audio processing (USB audio class 2.0, MP3 decoders, audio DSP), IoT gateways (Ethernet + Wi-Fi coexistence), automotive instrument clusters and ADAS sensor pre-processing, and high-speed connectivity hubs (USB + Ethernet bridges). The integrated HS USB PHY eliminates the need for an external ULPI transceiver in many designs. When designing with this device, allocate 5-10% of PCB area to 100 nF + 4.7 uF decoupling distributed across each VDD pin pair; respect the LFBGA 0.8 mm pitch which requires NSMD land patterns with 0.4 mm via diameter for reliable assembly. Use SAM E70 Software Framework (ASF) or Harmony 3 drivers to accelerate firmware development, and verify sleep-mode current with the actual application peripherals rather than datasheet minimums. This page synthesizes verified distributor pricing, same-brand and cross-brand drop-in alternatives, and practical design notes that complement but do not replace the manufacturer datasheet.

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ATSAME70Q21A-CNT - 300MHz Cortex-M7 MCU, 2MB Flash, 144-LFBGA | Microchip
ATSAME70Q21A-CNT

ATSAME70Q21A-CNT - 300MHz Cortex-M7 MCU, 2MB Flash, 144-LFBGA | Microchip

The Microchip Technology ATSAME70Q21A-CNT is a 32-bit ARM Cortex-M7 microcontroller running up to 300 MHz with single/double precision FPU, packaged in a 144-ball LFBGA (10x10 mm). It integrates 2 MB of Flash, 384 KB of multi-port SRAM, a high-speed 80 MHz SDRAM interface, and the SAM E70 peripheral set including HS USB, Ethernet, CAN-FD, and a 16-bit 2-channel audio DAC. An ARM Cortex-M7 microcontroller is a high-performance embedded processor core with an in-order pipeline, branch prediction, tightly-coupled memories, and a hardware Floating Point Unit. In the wider taxonomy it sits as a Cortex-M7 core -> 32-bit MCU -> microcontroller -> embedded IC -> semiconductor. The Cortex-M7 is positioned above Cortex-M4 for DSP-heavy and signal-processing workloads because it adds a 6-stage pipeline with branch prediction and a double-precision FPU; in the SAME70 it is paired with 16 KB I-cache + 16 KB D-cache and 384 KB system SRAM that can be partitioned into dual-bank SRAM for concurrent DMA/CPU access without contention. Key features include up to 300 MHz CPU clock, 2 MB Flash, 384 KB SRAM, a 16-bit stereo audio DAC, HS USB 2.0 device/host/OTG, 10/100 Ethernet MAC, two CAN-FD controllers, up to 17 SERCOM-configurable serial interfaces, a 24-bit AFEC, and 12-bit ADC. The integrated 80 MHz external bus interface supports SDRAM, SRAM, NOR Flash, and NAND Flash directly. The 144-LFBGA package provides generous I/O and clean high-speed signal escape for industrial-grade designs. The ATSAME70Q21A-CNT typically appears in industrial HMI panels, motor control inverters, audio products with on-board DAC, IoT gateways, and point-of-sale terminals. Designers choose this part when they need Cortex-M7 throughput with rich connectivity without paying for an MPU running Linux. When designing with this device, dedicate a 4-layer PCB stackup with continuous ground beneath the BGA and place the 12 MHz crystal within 5 mm of XIN/XOUT. Decouple every VDD/VBAT/VBUS pin with a 100 nF X7R plus a 4.7 uF bulk capacitor. Connect unused balls to a defined logic level, never leave them floating, to avoid leakage into the ESD structures. This page synthesizes distributor pricing, drop-in ATSAME70 family variants, and practical PCB/EMC design notes not found on the manufacturer summary page.

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