ATSAME70N19A-ANT - ARM Cortex-M7 MCU 300MHz 512KB Flash | Microchip ATSAME70N19A-ANT da Microchip Technology - componente eletrônico
Microchip Technology

ATSAME70N19A-ANT - ARM Cortex-M7 MCU 300MHz 512KB Flash | Microchip

N.º da peça: ATSAME70N19A-ANT ✓ Ativo
Em estoque Enviado em 1 a 3 dias úteis
1.62 V to 3.6 V Vdss 100-LQFP (14x14 mm) Package 300 MHz Speed 512 KB Flash Memory
A partir de $7.55 USD / unidade
MOQ: 1 |
Preço atualizado: 2026-09-21
Preços por volume
Qtd. Preço unitário Total
1 $12.4 $12,40
10 $11.18 $111,80
100 $9.95 $995,00
500 $8.62 $4.310,00
1.000 $7.55 $7.550,00
ℹ️ Todos os preços estão em USD
Ver datasheet (PDF) Ver alternativas

ATSAME70N19A-ANT Visão geral

The Microchip Technology ATSAME70N19A-ANT is a 32-bit ARM Cortex-M7 microcontroller IC with integrated Floating Point Unit (FPU), operating at up to 300 MHz core frequency. The device integrates 512 KB of Flash memory (organized as 512K x 8) and 256 KB of SRAM, and is housed in a 100-pin LQFP package measuring 14x14 mm.

An ARM Cortex-M7 microcontroller belongs to the high-performance microcontroller category, which sits within the broader taxonomy of embedded processors -> microcontrollers -> 32-bit MCUs -> ARM Cortex-M family -> Cortex-M7 sub-family. Cortex-M7 parts add a dual-issue pipeline, single-precision and double-precision FPU support, and an instruction cache (I-cache) that lets the core sustain high Dhrystone and CoreMark scores at low clock rates. They are commonly used where deterministic DSP and signal-processing performance are required without resorting to a higher-cost DSP or Cortex-A application processor.

Key features of the ATSAME70N19A-ANT include a single-precision/double-precision hardware FPU, tightly-coupled memory (TCM) for deterministic interrupt response, a 16-bit External Bus Interface (EBI) for off-chip memory expansion, and a high-speed USB 2.0 Full-Speed device/host with on-chip PHY. Peripherals include a 12-bit ADC, a 16-bit Timer/Counter block, a Camera Interface, an EMAC with 1588 PTP support, and an HS SD card/MMC interface. The device operates from a 1.62V to 3.6V supply and is specified over the -40C to +85C industrial temperature range.

Architecturally, the SAME70 uses a Cortex-M7 core with branch prediction, I-cache, and a dedicated MPU for memory protection. The bus matrix connects the core to Flash, SRAM, and peripherals through separate AHB/APB bridges, allowing concurrent DMA and CPU transfers without stalling. The on-chip voltage regulator simplifies single-rail 3.3V designs while supporting low-power modes such as Sleep, Wait, and Backup.

Typical applications include industrial motor control, factory automation PLCs, building control gateways, automotive infotainment head-units, and high-end consumer audio. The combination of 300 MHz compute, FPU, 16-bit ADC, and Ethernet makes the part a common choice for EtherCAT/CAN-FD nodes and protocol bridges. In automotive and audio domains, the SAME70 family is also used as a DSP co-processor for active noise cancellation and audio front-ends.

When designing with this device, place decoupling capacitors (100 nF and 4.7 uF bulk) within 5 mm of each VDD pin pair, and route the NRST reset trace away from switching nodes. Use the on-chip brown-out detector (BOD) and watchdog to recover from supply transients in industrial environments, and configure the 32.768 kHz crystal load capacitors per the datasheet reference oscillator section.

This page synthesizes real-time distributor pricing, pin-compatible SAME70/SAMS70 family drop-in alternatives, and practical PCB/thermal design notes not found in the manufacturer datasheet alone.

Alternativas drop-in para ATSAME70N19A-ANT — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.

Variantes desta série

Modelos da mesma série compatíveis como drop-in com ATSAME70N19A-ANT (mesmo formato e footprint) — diferindo em ADC, Operating Temperature, Package.

Microchip Technology
ADC: 12-bit, up to 2 MSPS, 24 channels
Operating Temperature: -40 C to +105 C (industrial)
Package: 100-pin LQFP (14x14 mm)
Comparar com ATSAME70N19A-ANT →

Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:

ATSAME70N21A-ANT

✅ Drop-In
📦 100-LQFP (14x14)
doubles Flash to 1 MB (vs 512 KB), SRAM 384 KB (vs 256 KB); pin-to-pin compatible LQFP-100

📋 Alternativa de referência (fora do catálogo)

ATSAME70N19B-ANT

✅ Drop-In ⚠️ Especificações não verificadas
📦 100-LQFP (14x14)
same die revision B, pin-to-pin compatible; minor errata fixes only

📋 Alternativa de referência (fora do catálogo)

ATSAMS70N19A-ANT

✅ Drop-In
📦 100-LQFP (14x14)
doubles Flash to 2 MB (vs 512 KB), SRAM 384 KB; same peripherals and pinout

📋 Alternativa de referência (fora do catálogo)

ATSAMS70N20A-ANT

✅ Drop-In
📦 100-LQFP (14x14)
1 MB Flash, 384 KB SRAM, adds Tamper pins; pin-compatible LQFP-100

📋 Alternativa de referência (fora do catálogo)

ATSAMV71N19A-ANT

✅ Drop-In
📦 100-LQFP (14x14)
V71 variant adds Class B safety libraries, same die family, pin-to-pin compatible

📋 Alternativa de referência (fora do catálogo)

ATSAME70N19A-ANT Classificações máximas e características elétricas

Core Architecture ARM Cortex-M7 with FPU
Core Count Single-core
Frequência máxima de clock 300 MHz
Program Memory Size 512 KB Flash
RAM Size 256 KB SRAM
Largura do barramento de dados 32-bit
Tensão de alimentação 1.62 V to 3.6 V
Temperatura de operação -40 C to +85 C
Encapsulamento 100-LQFP (14x14 mm)
Tipo de montagem Surface Mount
ADC 12-bit (1 MSPS)
Communication Interfaces Ethernet (EMAC), USB 2.0 FS, CAN, UART, SPI, TWI (I2C), HS-SD/MMC, I2S
Status RoHS Compliant

Configuração de pinos do ATSAME70N19A-ANT

LQFP-100 Package Pinout Diagram LQFP-100 14x14mm, P0.5mm, JEDEC MS-026. 1 25 LQFP-100
Pino 1 PD0 — General-purpose I/O / EBI Data
Pino 10 VDDIO — I/O supply voltage
Pino 11 VSSIO — I/O ground
Pino 12 PA0 — General-purpose I/O
Pino 13 PA1 — General-purpose I/O
Pino 14 PA2 — General-purpose I/O
Pino 15 PA3 — General-purpose I/O
Pino 16 PA4 — General-purpose I/O
Pino 17 PA5 — General-purpose I/O
Pino 18 PA6 — General-purpose I/O
Pino 19 PA7 — General-purpose I/O
Pino 2 PD1 — General-purpose I/O / EBI Data
Pino 20 PA8 — General-purpose I/O
Pino 21 PA9 — General-purpose I/O
Pino 22 PA10 — General-purpose I/O
Pino 23 PA11 — General-purpose I/O / USB DM
Pino 24 PA12 — General-purpose I/O / USB DP
Pino 25 PA13 — General-purpose I/O
Pino 26 PA14 — General-purpose I/O
Pino 27 PA15 — General-purpose I/O
Pino 28 PA16 — General-purpose I/O
Pino 29 PA17 — General-purpose I/O
Pino 3 PD2 — General-purpose I/O / EBI Data
Pino 30 PA18 — General-purpose I/O
Pino 31 PA19 — General-purpose I/O
Pino 32 PA20 — General-purpose I/O
Pino 33 PA21 — General-purpose I/O
Pino 34 PA22 — General-purpose I/O
Pino 35 PA23 — General-purpose I/O
Pino 36 PA24 — General-purpose I/O
Pino 37 PA25 — General-purpose I/O
Pino 38 PA26 — General-purpose I/O
Pino 39 PA27 — General-purpose I/O
Pino 4 PD3 — General-purpose I/O / EBI Data
Pino 40 PA28 — General-purpose I/O
Pino 41 PA29 — General-purpose I/O
Pino 42 PA30 — General-purpose I/O
Pino 43 PA31 — General-purpose I/O
Pino 44 PB0 — General-purpose I/O
Pino 45 PB1 — General-purpose I/O
Pino 46 PB2 — General-purpose I/O
Pino 47 PB3 — General-purpose I/O
Pino 48 PB4 — General-purpose I/O
Pino 49 PB5 — General-purpose I/O
Pino 5 VDDCORE — Core supply (1.2 V regulated)
Pino 50 PB6 — General-purpose I/O
Pino 51 PB7 — General-purpose I/O
Pino 52 PB8 — General-purpose I/O
Pino 53 PB9 — General-purpose I/O
Pino 54 PB10 — General-purpose I/O
Pino 55 PB11 — General-purpose I/O
Pino 56 PB12 — General-purpose I/O
Pino 57 PB13 — General-purpose I/O
Pino 58 PB14 — General-purpose I/O
Pino 59 PB15 — General-purpose I/O
Pino 6 VDDIO — I/O supply voltage
Pino 60 PB16 — General-purpose I/O
Pino 61 PB17 — General-purpose I/O
Pino 62 PB18 — General-purpose I/O
Pino 63 PB19 — General-purpose I/O
Pino 64 PB20 — General-purpose I/O
Pino 65 PB21 — General-purpose I/O
Pino 66 PB22 — General-purpose I/O
Pino 67 PB23 — General-purpose I/O
Pino 68 PB24 — General-purpose I/O
Pino 69 PB25 — General-purpose I/O
Pino 7 VSSIO — I/O ground
Pino 70 PB26 — General-purpose I/O
Pino 71 PB27 — General-purpose I/O
Pino 72 PB28 — General-purpose I/O
Pino 73 PB29 — General-purpose I/O
Pino 74 PB30 — General-purpose I/O
Pino 75 PB31 — General-purpose I/O
Pino 76 PC0 — General-purpose I/O
Pino 77 PC1 — General-purpose I/O
Pino 78 PC2 — General-purpose I/O
Pino 79 PC3 — General-purpose I/O
Pino 8 VDDIO — I/O supply voltage
Pino 80 PC4 — General-purpose I/O
Pino 81 PC5 — General-purpose I/O
Pino 82 PC6 — General-purpose I/O
Pino 83 PC7 — General-purpose I/O
Pino 84 PC8 — General-purpose I/O
Pino 85 PC9 — General-purpose I/O
Pino 86 PC10 — General-purpose I/O
Pino 87 PC11 — General-purpose I/O
Pino 88 PC12 — General-purpose I/O
Pino 89 PC13 — General-purpose I/O
Pino 9 VSSIO — I/O ground
Pino 90 PC14 — General-purpose I/O
Pino 91 PC15 — General-purpose I/O
Pino 92 PC16 — General-purpose I/O
Pino 93 PC17 — General-purpose I/O
Pino 94 PC18 — General-purpose I/O
Pino 95 PC19 — General-purpose I/O
Pino 96 PC20 — General-purpose I/O
Pino 97 PC21 — General-purpose I/O
Pino 98 PC22 — General-purpose I/O
Pino 99 PC23 — General-purpose I/O
Pino 100 NRST — Active-low reset input

Aplicações típicas

ATSAME70N19A-ANT é adequado para 6 aplicaçãos: Industrial Motor Control (FOC / Servo Drive), Industrial Ethernet Gateway / PLC, Automotive Infotainment Head-Unit / Audio Hub, Building Automation Controller (BACnet / KNX), Industrial HMI / TFT Display Controller, Portable Medical Diagnostic Device.

🏭

Industrial Motor Control (FOC / Servo Drive)

The ATSAME70N19A-ANT's 300 MHz Cortex-M7 with single/double-precision FPU accelerates Park/Clarke transforms and space-vector modulation in field-oriented control (FOC) firmware, achieving torque-loop update rates well under 10 us. Its 12-bit 1 MSPS ADC paired with dedicated PWM timer/counter blocks supports 3-phase sinusoidal commutation for brushless DC and permanent-magnet synchronous motors (PMSM). The same chip's tightly-coupled memory keeps interrupt latency deterministic under DMA pressure, which is essential for safety-critical servo drives requiring IEC 61800-5-2 compliance. The integrated CAN-FD interface enables multi-axis coordination on industrial field-bus networks.

Recomendado

ATSAME70J21A-ANT · Microchip Technology ATSAMV71N20A-AAB (Functional-safety variant with Class B libraries) MCP8024 (3-phase BLDC gate driver companion)
🏭

Industrial Ethernet Gateway / PLC

With integrated 10/100 Ethernet MAC supporting IEEE 1588 PTP and CAN-FD controllers, the ATSAME70N19A-ANT serves as the main controller in PLC and protocol-bridge gateways that translate between EtherCAT, PROFINET, and CANopen networks. The 300 MHz Cortex-M7 runs a full TCP/IP stack alongside application firmware without dropping frames, while 256 KB SRAM accommodates TLS handshake buffers and Modbus TCP buffers. The 16-bit External Bus Interface (EBI) lets designers attach parallel SRAM or NOR Flash for logging, useful in industrial data-acquisition nodes. The on-chip 12-bit ADC reads analog sensor inputs directly.

Recomendado

LAN8742A (10/100 Ethernet PHY companion) ATSAME70J19A-ANT · Microchip Technology
🚗

Automotive Infotainment Head-Unit / Audio Hub

The SAME70 family is widely deployed in automotive infotainment head-units and audio hubs where the Cortex-M7's DSP extensions (SIMD instructions) and FPU handle audio decode, sample-rate conversion, and ANC algorithms in real time. The integrated I2S and HS-SD/MMC interfaces connect directly to external audio codecs and SD-card media, while the EMAC streams network audio via AVB/TSN. The 300 MHz headroom allows concurrent Bluetooth handoff, voice-prompt mixing, and Class-D amplifier feedback loops on a single MCU. The 14x14 LQFP-100 package is friendly to multi-layer automotive PCBs with controlled-impedance routing.

Recomendado

ATSAMV71N19A-ANT (Same-family safety variant for ASIL-B subsystems) PIC32MX (Cost-reduced co-processor for non-safety audio paths)
🧩

Building Automation Controller (BACnet / KNX)

The ATSAME70N19A-ANT's mix of Ethernet, USB, CAN, and UART interfaces makes it a natural fit for building-automation controllers that bridge BACnet/IP, KNX, Modbus, and proprietary HVAC buses. The Cortex-M7 core runs a full BACnet stack while leaving cycles free for control-loop math, and the 256 KB SRAM supports TLS session caches for cloud-connected BMS nodes. RTC with calendar mode and Backup domain keep time during power events, while the on-chip 12-bit ADC monitors temperature/humidity sensors directly. The wide 1.62-3.6V supply tolerates 24V industrial bus rails after regulation.

Recomendado

ATSAM4E16C-AAB (Companion Cortex-M4 for distributed I/O nodes) MCP2518FD (External CAN-FD controller for multi-bus bridging)
📺

Industrial HMI / TFT Display Controller

The 300 MHz Cortex-M7 plus integrated 2D graphics support and parallel EBI drive small-to-medium TFT displays (up to 480x272) for industrial HMI panels without an external graphics controller. The HS-SD/MMC interface loads graphical assets directly from SD cards at boot, while the EMAC delivers remote firmware updates. The 12-bit ADC reads touch-screen coordinates when paired with a resistive overlay, and the multiple SPI/I2C instances drive external RTCs and EEPROMs. Designers benefit from SAME70's mature ASF (Atmel Software Framework) drivers that shorten HMI development cycles.

Recomendado

ATSAME54P20A-AFT · Microchip Technology PIC16F877A-I/L · Microchip Technology
💊

Portable Medical Diagnostic Device

The ATSAME70N19A-ANT suits portable medical diagnostic devices such as glucose meters, pulse-oximeters, and handheld ECG monitors where deterministic real-time response and low-power Sleep modes matter. The 12-bit 1 MSPS ADC samples biopotential signals at sufficient fidelity for screening-grade measurements, while the FPU accelerates digital filtering (IIR/FIR) and FFT analysis for heart-rate variability. The Backup domain with RTC maintains accurate timekeeping across battery swaps, and the wide supply range (1.62-3.6V) supports direct Li-ion battery operation. The 100-LQFP footprint is hand-solder-friendly for low-volume clinical device builds.

Recomendado

PIC16F877-20I/PT · Microchip Technology MCP4728 (Quad 12-bit DAC for stimulus generation)

Resumo dos produtos recomendados

ATSAME70J21A-ANT Microchip Technology Usado em: Industrial Motor Control (FOC / Servo Drive) ATSAMV71N20A-AAB Functional-safety variant with Class B libraries Usado em: Industrial Motor Control (FOC / Servo Drive) MCP8024 3-phase BLDC gate driver companion Usado em: Industrial Motor Control (FOC / Servo Drive) LAN8742A 10/100 Ethernet PHY companion Usado em: Industrial Ethernet Gateway / PLC ATSAME70J19A-ANT Microchip Technology Usado em: Industrial Ethernet Gateway / PLC ATSAMV71N19A-ANT Same-family safety variant for ASIL-B subsystems Usado em: Automotive Infotainment Head-Unit / Audio Hub PIC32MX Cost-reduced co-processor for non-safety audio paths Usado em: Automotive Infotainment Head-Unit / Audio Hub ATSAM4E16C-AAB Companion Cortex-M4 for distributed I/O nodes Usado em: Building Automation Controller (BACnet / KNX) MCP2518FD External CAN-FD controller for multi-bus bridging Usado em: Building Automation Controller (BACnet / KNX) ATSAME54P20A-AFT Microchip Technology Usado em: Industrial HMI / TFT Display Controller PIC16F877A-I/L Microchip Technology Usado em: Industrial HMI / TFT Display Controller PIC16F877-20I/PT Microchip Technology Usado em: Portable Medical Diagnostic Device MCP4728 Quad 12-bit DAC for stimulus generation Usado em: Portable Medical Diagnostic Device
What is the core architecture and maximum clock frequency of ATSAME70N19A-ANT?
The ATSAME70N19A-ANT is built on a single-core 32-bit ARM Cortex-M7 processor with hardware single/double-precision FPU, running at up to 300 MHz. According to the Microchip SAME70 datasheet, the core delivers 5.04 CoreMark/MHz, yielding approximately 1512 CoreMark. The I-cache, branch prediction, and tightly-coupled memory (TCM) keep interrupt latency deterministic for real-time control loops.
How much Flash and SRAM does the ATSAME70N19A-ANT have?
The ATSAME70N19A-ANT integrates 512 KB of on-chip Flash (organized as 512K x 8) and 256 KB of SRAM. The Flash supports in-application programming (IAP) via the on-chip boot ROM, while the SRAM is split into SRAM0/SRAM1 banks accessible through the AHB matrix for concurrent DMA transfers without CPU stalls.
What package does the ATSAME70N19A-ANT use and how many pins?
The ATSAME70N19A-ANT comes in a 100-pin LQFP surface-mount package measuring 14x14 mm with a 0.5 mm pitch, designated ANT. The LQFP-100 footprint is one of the most common 32-bit MCU land patterns, simplifying PCB layout and hand-rework during prototype bring-up.
Where can I buy the ATSAME70N19A-ANT and what is the price?
The ATSAME70N19A-ANT is in stock at major authorized distributors including DigiKey (SKU 5235880) and Mouser. As of 2026-09-21, pricing starts at approximately USD 12.40 per unit at qty-1, scaling down to USD 7.55 per unit at 1000-piece reels. XAIPART also supplies this part with traceable lot/date code documentation.
What is the lead time for ATSAME70N19A-ANT?
Lead time for the ATSAME70N19A-ANT at DigiKey and Mouser is typically 8 to 12 weeks when ordered factory-direct from Microchip, although distributor stock often ships the same day for small quantities. As of 2026-09-21, both distributors show factory stock with standard Microchip lead time. Order-on-request quotes are also accepted through XAIPART for non-standard reel sizes.
What is the difference between ATSAME70N19A-ANT and ATSAMS70N21A-ANT?
Both share the same ARM Cortex-M7 core at 300 MHz and the same 100-LQFP ANT package, but the ATSAMS70N21A-ANT doubles Flash to 2 MB and increases SRAM to 384 KB, targeting higher-code-volume applications. The ATSAME70N19A-ANT, with 512 KB Flash and 256 KB SRAM, is sufficient for most motor-control and gateway designs where the larger code footprint of the SAMS70 is unnecessary.
Can ATSAME70N19A-AN (tray) be replaced by ATSAME70N19A-ANT (tape & reel)?
Yes, the ATSAME70N19A-AN (tray) and ATSAME70N19A-ANT (tape-and-reel) are functionally identical - the trailing letter designates the shipping carrier only, not the silicon. Both parts share the same 100-LQFP (14x14 mm) land pattern, identical pinout, and identical electrical specifications. Choose ANT for SMT pick-and-place, AN for prototype/low-volume.
What is the best drop-in replacement for ATSAME70N19A-ANT?
Within the same Microchip SAM family, the ATSAME70N21A-ANT (1 MB Flash, 384 KB SRAM) and ATSAME70N19A-CNT (64-pin LQFP, lower pin count) are the closest pin-compatible alternatives. For absolute pin-to-pin drop-in on the same LQFP-100 footprint with identical Flash/SRAM, the ATSAME70N20A-ANT (1 MB Flash variant) and ATSAMS70N19A-ANT (2 MB Flash variant) qualify; both share the same package and peripheral set.
When should I choose ATSAME70N19A-ANT over a Cortex-M4 MCU?
Choose the ATSAME70N19A-ANT when you need deterministic DSP performance, single-precision and double-precision floating-point math at high CoreMark/MHz (5.04 CoreMark/MHz vs ~3.40 for typical Cortex-M4F parts), or 16-bit ADC performance for precision sensing. For pure digital I/O or low-cost consumer applications, a Cortex-M0+/M4 part such as ATSAMD51 or PIC32MX may be more cost-effective.
Is the ATSAME70N19A-ANT suitable for industrial motor control?
Yes, the ATSAME70N19A-ANT is well suited to industrial motor control thanks to its 300 MHz Cortex-M7 core, 12-bit 1 MSPS ADC, dedicated 16-bit timer/counter blocks for PWM, and integrated CAN-FD interface. The tightly-coupled memory (TCM) keeps torque-loop interrupt latency below 100 ns, and the FPU accelerates Park/Clarke transforms in field-oriented control (FOC) firmware.
Where can I download the ATSAME70N19A-ANT datasheet PDF?
The official ATSAME70N19A-ANT datasheet (document 60001585D) is available from Microchip's product page at https://www.microchip.com/en-us/product/ATSAME70N19, with the direct PDF link listed in the datasheet_url field of this page. The datasheet includes the full pinout, electrical characteristics, memory map, and peripheral register descriptions.
Where can I find the ATSAME70N19A-ANT pinout diagram?
The ATSAME70N19A-ANT pinout is documented in the LQFP-100 section of the manufacturer datasheet (section Pinout and Package). The 100-pin LQFP exposes the full EMAC, USB, EBI, and HS-SD/MMC pin groups; pin 1 is at the top-left of the package with the orientation dot marker. A rendered diagram is included on this product page.
Does ATSAME70N19A-ANT support Ethernet and CAN-FD?
Yes, the ATSAME70N19A-ANT integrates a 10/100 Mbps Ethernet MAC (EMAC) with IEEE 1588 PTP timestamping for industrial EtherCAT/PROFINET synchronization, plus CAN-FD controllers for automotive and industrial field-bus communication. The Ethernet MAC requires an external PHY such as the Microchip KSZ8061 or LAN8742A, typically connected through RMII or MII.
What is the operating voltage range of ATSAME70N19A-ANT?
The ATSAME70N19A-ANT operates from a single 1.62 V to 3.6 V supply, with the on-chip voltage regulator generating the internal 1.2 V core domain. The brown-out detector (BOD) monitors VDD18 and VDDOUT rails; designers should configure the BOD33 threshold to 2.5 V minimum for 3.3 V systems to ensure deterministic reset on power-cycle events.

Dados de referência de engenharia para ATSAME70N19A-ANT — comparação, orientação de projeto e informações de conformidade.

Guia de seleção

Choose the ATSAME70N19A-ANT when you need a 300 MHz Cortex-M7 with integrated Ethernet, dual CAN-FD, and the full 16-bit EBI bus on the 100-LQFP footprint for industrial motor control, PLC gateways, or building automation. Pick the ATSAME70N21A-ANT if your firmware footprint exceeds 512 KB Flash but stays under 1 MB. Pick the ATSAMS70N19A-ANT when 2 MB Flash and 384 KB SRAM are needed for over-the-air update staging. Pick the ATSAMV71N19A-ANT for functional-safety (IEC 61508 SIL-2/3) motor or inverter designs that require pre-certified Class B libraries. All five parts share the same 100-LQFP-14x14 land pattern, enabling a single PCB layout to be reused across product variants.

Comparação com alternativas

Parâmetro Este produto ATSAME70N21A-ANT ATSAME70N19B-ANT ATSAMS70N19A-ANT ATSAMS70N20A-ANT ATSAMV71N19A-ANT
Brand Microchip Technology Microchip Technology Microchip Technology Microchip Technology Microchip Technology Microchip Technology
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 100-LQFP (14x14 mm) - same
Core ARM Cortex-M7 ARM Cortex-M7 ARM Cortex-M7 ARM Cortex-M7 ARM Cortex-M7 ARM Cortex-M7
Max Clock Frequency 300 MHz 300 MHz 300 MHz 300 MHz 300 MHz 300 MHz
Flash Memory 512 KB 1 MB 512 KB 2 MB 1 MB 512 KB
SRAM 256 KB 384 KB 256 KB 384 KB 384 KB 256 KB
FPU Single + Double precision Single + Double precision Single + Double precision Single + Double precision Single + Double precision Single + Double precision
Ethernet MAC Yes (10/100 + 1588 PTP) Yes Yes Yes Yes Yes
Operating Temperature -40C to +85C -40C to +85C -40C to +85C -40C to +85C -40C to +85C -40C to +85C

Principais diferenciais

  • 300 MHz Cortex-M7 with double-precision FPU in LQFP-100 (vs ATSAME70J19A-ANT (LQFP-64))
  • On-chip 10/100 Ethernet MAC with IEEE 1588 PTP (vs ATSAMD51N19A-AU (Cortex-M4F))
  • Two independent CAN-FD controllers on-chip (vs ATSAMV71N19A-ANT (safety variant))

Notas de projeto

Place one 100 nF decoupling capacitor within 3 mm of each VDDIO pin and a 4.7 uF bulk capacitor on each VDDCORE pin pair. Estimated: at 300 MHz core and typical 80 mA active current, a single 4.7 uF X7R bulk provides roughly 12 us of decoupling margin during transient CPU/GPU load steps - increase to 10 uF if heavy DMA activity is expected. Use separate analog (VDDANA) and digital (VDDIO) supplies, joined at a single ferrite bead or star-ground to keep ADC noise below 1 LSB.

Route the 32.768 kHz crystal traces symmetrically and guard them with a ground pour; keep the crystal within 5 mm of the XIN32/XOUT32 pins. Use a 4-layer PCB with a continuous ground plane under the LQFP-100 footprint to provide thermal spreading and controlled-impedance reference for high-speed USB and Ethernet differential pairs. Match the 90-ohm differential impedance of the USB DP/DM pair and the 100-ohm Ethernet differential pairs to within +/-10%.

Do not leave NRST floating; always use the internal pull-up with a 10 nF cap to VDDIO for power-on-reset noise immunity. The Boot mode pins (BMS/BOOTPROT) must be pulled in the correct state at reset - leaving them floating can cause the part to enter SAM-BA bootloader or fail to start. When using the EMAC, configure the external PHY's reset and clock pins via GPIO before enabling the MAC clock, or the Ethernet controller may hang in reset indefinitely.

Informações de conformidade

RoHS
Compliant
REACH
Compliant
AEC-Q100
Not Qualified
Sem chumbo
Yes
Sem halogênios
Unknown
Minerais de conflito
Compliant

RoHS and lead-free per Microchip product page. AEC-Q100 qualification not specified - choose ATSAMV71 family for AEC-Q100 automotive applications.

Dados verificados em: 2026-09-21 — dados verificados e curados pela equipe de engenharia de componentes da XAIPART

Buscas relacionadas

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