ATSAME70Q19B-ANT - 300MHz Cortex-M7 MCU 512KB Flash | Microchip ATSAME70Q19B-ANT da Microchip Technology - componente eletrônico
Microchip Technology

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

N.º da peça: ATSAME70Q19B-ANT ✓ Ativo
Em estoque Enviado em 1 a 3 dias úteis
1.7 V to 3.6 V Vdss 144-LQFP (20x20 mm) Package 300 MHz Speed 512 KB (512K x 8) Memory
A partir de $9.12 USD / unidade
MOQ: 1 |
Preço atualizado: 2026-09-21
Preços por volume
Qtd. Preço unitário Total
1 $12.85 $12,85
10 $11.92 $119,20
100 $10.78 $1.078,00
500 $9.85 $4.925,00
1.000 $9.12 $9.120,00
ℹ️ Todos os preços estão em USD
Ver datasheet (PDF) Ver alternativas

ATSAME70Q19B-ANT Visão geral

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.

Alternativas drop-in para ATSAME70Q19B-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 ATSAME70Q19B-ANT (mesmo formato e footprint) — diferindo em Ethernet, USB, Package, ADC, Operating Temperature.

Microchip Technology
Ethernet: 10/100 Mbps GMAC (IEEE 1588)
USB: Hi-Speed USB 2.0 with on-chip PHY
Package: 64-LQFP (10x10 mm)
Comparar com ATSAME70Q19B-ANT →
Microchip Technology
Ethernet: 10/100 Mbps MAC with 1588 PTP
USB: HS USB Host/Device with on-chip PHY
Package: 100-LQFP (14x14 mm)
Comparar com ATSAME70Q19B-ANT →
Microchip Technology
Ethernet: 10/100 Mbps MAC (GMII/RMII/MII)
Package: 100-pin TFBGA (9x9 mm)
ADC: 12-bit, up to 2 MSPS, 24 channels
Comparar com ATSAME70Q19B-ANT →
Microchip Technology
Ethernet: 10/100 MAC with IEEE 1588
USB: USB 2.0 High-Speed with on-chip PHY
Package: 100-pin TFBGA (9x9 mm)
Comparar com ATSAME70Q19B-ANT →
Microchip Technology
Ethernet: EMAC with 1588 PTP, GMII/RMII/MII
USB: High-Speed USB Host/Device with on-chip PHY
Package: 144-pin LQFP, 20x20 mm
Comparar com ATSAME70Q19B-ANT →
Microchip Technology
Ethernet: 10/100 MAC (GMII/RMII/MII)
USB: USB 2.0 High-Speed Host/Device with on-chip PHY
ADC: 12-bit, up to 24 channels
Comparar com ATSAME70Q19B-ANT →

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

ATSAME70Q19A-ANT

✅ Drop-In
📦 144-LQFP (20x20)
previous silicon revision (A vs B), same Flash/SRAM/peripherals/pinout; only errata differences

📋 Alternativa de referência (fora do catálogo)

ATSAME70Q21B-ANT

✅ Drop-In
Microchip Technology
📦 144-LQFP (20x20)
ARM Cortex-M7 with FPU (single/double precision) · 300 MHz · 2 MB (2048 KB) · 384 KB · 16 KB · 16 KB · 144-LQFP (20x20 mm) · 1.62 V to 3.6 V

✓ Em estoque

$16.1 / unidade

Ver ficha técnica →

ATSAME70N21B-CNT

✅ Drop-In
Microchip Technology
📦 144-LQFP (20x20)
ARM Cortex-M7 with FPU · 300 MHz · 2 MB (2048 KB) · 384 KB multi-port · 16 KB · 16 KB · 100-pin TFBGA (9x9 mm) · 1.62 V to 3.6 V

✓ Em estoque

$9.28 / unidade

Ver ficha técnica →

ATSAME70J21A-ANT

✅ Drop-In
Microchip Technology
📦 144-LQFP (20x20)
ARM Cortex-M7 with FPU (single + double precision) · 300 MHz · 2 MB (2048 Kbytes) · 384 KB · 16 KB (4 KB + configurable 4 KB) · 1.2 V core / 3.3 V I/O (single 3.3 V rail via internal regulator) · 64-LQFP (10x10 mm) · 64

✓ Em estoque

$9.6 / unidade

Ver ficha técnica →

ATSAME70N20A-CNT

✅ Drop-In
Microchip Technology
📦 144-LQFP (20x20)
ARM Cortex-M7 with FPU (single + double precision) · 300 MHz · 1500 CoreMark / 600 DMIPS · 1024 KB (1 MB) · 384 KB · 16 KB · 16 KB · Yes (ITCM + DTCM)

✓ Em estoque

$8.85 / unidade

Ver ficha técnica →

ATSAME70N19B-AN

✅ Drop-In
Microchip Technology
📦 144-LQFP (20x20)
ARM Cortex-M7 with FPU · 300 MHz · 512 KB (512K x 8) · 256 KB · 16 KB · 3.0 V to 3.6 V · -40 C to +105 C · 100-LQFP (14x14 mm)

✓ Em estoque

$11.04 / unidade

Ver ficha técnica →

ATSAME70Q19B-ANT Classificações máximas e características elétricas

Core Architecture ARM Cortex-M7 with FPU
Maximum Clock Speed 300 MHz
Program Memory (Flash) 512 KB (512K x 8)
SRAM 256 KB
Operating Voltage Range 1.7 V to 3.6 V
Faixa de temperatura de operação -40C to +105C
Encapsulamento 144-LQFP (20x20 mm)
Contagem de pinos 144
GPIO 114
ADC Resolution 12-bit (AFE)
DAC Resolution 12-bit
CAN-FD Yes (2 channels)
Ethernet MAC 10/100 Mbps
USB USB 2.0 FS + HS
Tipo de montagem Surface Mount
Status RoHS Compliant

Configuração de pinos do ATSAME70Q19B-ANT

LQFP-144 Package Pinout Diagram LQFP-144 20x20mm, P0.5mm, JEDEC MS-026. 1 36 LQFP-144
Pino 1 VDDIO — I/O supply voltage
Pino 2 PA0 — GPIO / peripheral function
Pino 3 PA1 — GPIO / peripheral function
Pino 4 PA2 — GPIO / peripheral function
Pino 5 PA3 — GPIO / peripheral function
Pino 6 PA4 — GPIO / peripheral function
Pino 7 PA5 — GPIO / peripheral function
Pino 8 PA6 — GPIO / peripheral function
Pino 9 PA7 — GPIO / peripheral function
Pino 10 VDDCORE — Core supply voltage
Pino 11 VSS — Ground
Pino 12 PA8 — GPIO / peripheral function
Pino 13 PA9 — GPIO / peripheral function
Pino 14 PA10 — GPIO / peripheral function
Pino 15 PA11 — GPIO / peripheral function
Pino 16 PA12 — GPIO / peripheral function
Pino 17 PA13 — GPIO / peripheral function
Pino 18 PA14 — GPIO / peripheral function
Pino 19 VSS — Ground
Pino 20 VDDIO — I/O supply voltage
Pino 21 PB0 — GPIO / peripheral function
Pino 22 PB1 — GPIO / peripheral function
Pino 23 PB2 — GPIO / peripheral function
Pino 24 PB3 — GPIO / peripheral function
Pino 25 PB4 — GPIO / peripheral function
Pino 26 PB5 — GPIO / peripheral function
Pino 27 PB6 — GPIO / peripheral function
Pino 28 PB7 — GPIO / peripheral function
Pino 29 PB8 — GPIO / peripheral function
Pino 30 PB9 — GPIO / peripheral function
Pino 31 PB10 — GPIO / peripheral function
Pino 32 PB11 — GPIO / peripheral function
Pino 33 PB12 — GPIO / peripheral function
Pino 34 PB13 — GPIO / peripheral function
Pino 35 PB14 — GPIO / peripheral function
Pino 36 VDDIO — I/O supply voltage
Pino 37 VSS — Ground
Pino 38 PC0 — GPIO / peripheral function
Pino 39 PC1 — GPIO / peripheral function
Pino 40 PC2 — GPIO / peripheral function
Pino 41 PC3 — GPIO / peripheral function
Pino 42 PC4 — GPIO / peripheral function
Pino 43 PC5 — GPIO / peripheral function
Pino 44 PC6 — GPIO / peripheral function
Pino 45 PC7 — GPIO / peripheral function
Pino 46 PC8 — GPIO / peripheral function
Pino 47 PC9 — GPIO / peripheral function
Pino 48 PC10 — GPIO / peripheral function
Pino 49 PC11 — GPIO / peripheral function
Pino 50 PC12 — GPIO / peripheral function
Pino 51 PC13 — GPIO / peripheral function
Pino 52 PC14 — GPIO / peripheral function
Pino 53 PC15 — GPIO / peripheral function
Pino 54 PC16 — GPIO / peripheral function
Pino 55 PC17 — GPIO / peripheral function
Pino 56 PC18 — GPIO / peripheral function
Pino 57 PC19 — GPIO / peripheral function
Pino 58 PC20 — GPIO / peripheral function
Pino 59 PC21 — GPIO / peripheral function
Pino 60 PC22 — GPIO / peripheral function
Pino 61 PC23 — GPIO / peripheral function
Pino 62 PC24 — GPIO / peripheral function
Pino 63 PC25 — GPIO / peripheral function
Pino 64 PC26 — GPIO / peripheral function
Pino 65 PC27 — GPIO / peripheral function
Pino 66 PC28 — GPIO / peripheral function
Pino 67 PC29 — GPIO / peripheral function
Pino 68 PC30 — GPIO / peripheral function
Pino 69 PC31 — GPIO / peripheral function
Pino 70 PD0 — GPIO / peripheral function
Pino 71 PD1 — GPIO / peripheral function
Pino 72 PD2 — GPIO / peripheral function
Pino 73 PD3 — GPIO / peripheral function
Pino 74 PD4 — GPIO / peripheral function
Pino 75 PD5 — GPIO / peripheral function
Pino 76 PD6 — GPIO / peripheral function
Pino 77 PD7 — GPIO / peripheral function
Pino 78 PD8 — GPIO / peripheral function
Pino 79 PD9 — GPIO / peripheral function
Pino 80 PD10 — GPIO / peripheral function
Pino 81 PD11 — GPIO / peripheral function
Pino 82 PD12 — GPIO / peripheral function
Pino 83 PD13 — GPIO / peripheral function
Pino 84 PD14 — GPIO / peripheral function
Pino 85 PD15 — GPIO / peripheral function
Pino 86 PD16 — GPIO / peripheral function
Pino 87 PD17 — GPIO / peripheral function
Pino 88 PD18 — GPIO / peripheral function
Pino 89 PD19 — GPIO / peripheral function
Pino 90 PD20 — GPIO / peripheral function
Pino 91 PD21 — GPIO / peripheral function
Pino 92 PD22 — GPIO / peripheral function
Pino 93 PD23 — GPIO / peripheral function
Pino 94 PD24 — GPIO / peripheral function
Pino 95 PD25 — GPIO / peripheral function
Pino 96 PD26 — GPIO / peripheral function
Pino 97 PD27 — GPIO / peripheral function
Pino 98 PD28 — GPIO / peripheral function
Pino 99 PD29 — GPIO / peripheral function
Pino 100 PD30 — GPIO / peripheral function
Pino 101 PD31 — GPIO / peripheral function
Pino 102 PE0 — GPIO / peripheral function
Pino 103 PE1 — GPIO / peripheral function
Pino 104 PE2 — GPIO / peripheral function
Pino 105 PE3 — GPIO / peripheral function
Pino 106 PE4 — GPIO / peripheral function
Pino 107 PE5 — GPIO / peripheral function
Pino 108 PE6 — GPIO / peripheral function
Pino 109 PE7 — GPIO / peripheral function
Pino 110 PE8 — GPIO / peripheral function
Pino 111 VDDIO — I/O supply voltage
Pino 112 VSS — Ground
Pino 113 XIN — Crystal oscillator input
Pino 114 XOUT — Crystal oscillator output
Pino 115 NRST — Reset (active low)
Pino 116 TST — Test mode (leave floating or pull-up in production)
Pino 117 JTAGSEL — JTAG/SWD selection
Pino 118 SWDIO — SWD data I/O
Pino 119 SWCLK — SWD clock
Pino 120 TCK — JTAG TCK (alternate)
Pino 121 TMS — JTAG TMS (alternate)
Pino 122 TDO — JTAG TDO (alternate)
Pino 123 TDI — JTAG TDI (alternate)
Pino 124 VDDIO — I/O supply voltage
Pino 125 VSS — Ground
Pino 126 PE9 — GPIO / peripheral function
Pino 127 PE10 — GPIO / peripheral function
Pino 128 PE11 — GPIO / peripheral function
Pino 129 PE12 — GPIO / peripheral function
Pino 130 PE13 — GPIO / peripheral function
Pino 131 PE14 — GPIO / peripheral function
Pino 132 PE15 — GPIO / peripheral function
Pino 133 PF0 — GPIO / peripheral function
Pino 134 PF1 — GPIO / peripheral function
Pino 135 PF2 — GPIO / peripheral function
Pino 136 PF3 — GPIO / peripheral function
Pino 137 PF4 — GPIO / peripheral function
Pino 138 PF5 — GPIO / peripheral function
Pino 139 PF6 — GPIO / peripheral function
Pino 140 PF7 — GPIO / peripheral function
Pino 141 PF8 — GPIO / peripheral function
Pino 142 VDDCORE — Core supply voltage
Pino 143 VSS — Ground
Pino 144 VDDIO — I/O supply voltage

Aplicações típicas

ATSAME70Q19B-ANT é adequado para 6 aplicaçãos: Industrial Motor Control (BLDC/PMSM), Industrial Ethernet Gateway / PLC, IoT Edge Node / Smart Sensor, Automotive Body Electronics (Non-Safety), Audio Processing / Class-D Amplifier, Graphical HMI / Touch Display Controller.

🏭

Industrial Motor Control (BLDC/PMSM)

The ATSAME70Q19B-ANT's Cortex-M7 at 300 MHz executes field-oriented control (FOC) loops for BLDC and PMSM motors within the 10-20 kHz PWM cycle typical of industrial drives. With hardware floating-point, sine/cosine and Park transforms run in single-cycle instructions, freeing CPU headroom for sensorless observers and torque-ripple compensation. The 12-bit ADC (up to 24 channels) samples phase currents simultaneously via dual-sample-and-hold, while the high-resolution PWM timers generate complementary 3-phase outputs with programmable dead-time. The 144-LQFP package exposes 114 GPIO for encoder, Hall sensor, and communication interfaces, and the -40C to +105C industrial temperature grade supports drive cabinets.

Recomendado

ATSAME70Q21B-ANT · Microchip Technology MCP8024 (3-phase BLDC gate driver companion IC) ATA6563 (CAN-FD transceiver for drive networking)
🌐

Industrial Ethernet Gateway / PLC

The ATSAME70Q19B-ANT integrates a 10/100 Ethernet MAC and dual CAN-FD controllers, enabling single-MCU industrial gateways that bridge Modbus TCP, EtherNet/IP, or PROFINET with CAN-FD machine networks. The Cortex-M7 with FPU runs lwIP or equivalent TCP/IP stacks with line-rate throughput while leaving CPU cycles for application logic. With 256 KB SRAM it holds full TCP/IP buffers, CAN-FD message pools, and protocol stacks simultaneously. Hardware crypto (AES, TRNG) on adjacent variants secures OPC UA and TLS 1.2 connections. Operating from 1.7 V to 3.6 V and -40C to +105C supports DIN-rail mounted controller enclosures.

Recomendado

LAN8742A (10/100 Ethernet PHY for MAC interface) ATA6563 (CAN-FD transceiver for machine bus) ATSAME70N21B-CNT · Microchip Technology
🧩

IoT Edge Node / Smart Sensor

The ATSAME70Q19B-ANT suits IoT edge aggregation nodes that process sensor data locally before cloud transmission. Its Cortex-M7 DSP extensions (SIMD, MAC) accelerate FFT, FIR filtering, and vibration analysis on raw accelerometer/microphone streams, running at 300 MHz with deterministic timing. USB 2.0 High-Speed enables firmware updates and debug, while Ethernet or CAN-FD handles upstream connectivity. The 512 KB Flash accommodates TLS stacks, OTA bootloaders, and application code concurrently. 114 GPIO in 144-LQFP provides rich sensor expansion; industrial -40C to +105C temperature range supports outdoor enclosures.

Recomendado

W25Q64JVSSIQ (External SPI Flash for OTA firmware storage) ATWINC1500 (Optional Wi-Fi module for cloud uplink) MCP9808 (High-accuracy temperature sensor companion)
🚗

Automotive Body Electronics (Non-Safety)

For non-safety automotive body applications such as body controllers, climate-control HMI, or lighting modules, the ATSAME70Q19B-ANT delivers Cortex-M7 performance with CAN-FD for modern vehicle networks. The -40C to +105C industrial temperature grade survives cabin environments, and the 12-bit ADC handles sensor inputs directly. Hardware PWM and QEI interfaces simplify motor control for HVAC blowers and mirror adjustments. Note this part is not AEC-Q100 qualified; for safety-critical or AEC-Q100 requirements use the SAM V70/V71 family or an external automotive MCU.

Recomendado

ATA6563 (CAN-FD transceiver for vehicle bus) TPS7A4701RGWR · Texas Instruments TPS7A4701RGWR · Texas Instruments ATSAME70Q19A-ANT (Lower-cost option for cost-sensitive body ECUs)
🎧

Audio Processing / Class-D Amplifier

The ATSAME70Q19B-ANT's Cortex-M7 with FPU excels at real-time audio algorithms such as equalization, dynamics processing, and active noise cancellation, where DSP extensions accelerate biquad and FIR filter operations. The integrated I2S interfaces connect to audio ADCs/DACs for digital-input amplifiers or smart speakers. With 256 KB SRAM, it can buffer multi-channel audio frames at 48 kHz/24-bit while running effects processing. The 12-bit DAC supports auxiliary analog outputs (headphone detect, VU meter). Pair with a digital-input Class-D amplifier IC for high-efficiency audio products.

Recomendado

SSM2604 (Audio codec with integrated ADC/DAC and I2S interface) TAS5720A (Digital-input Class-D amplifier stage) PCM1794A (High-performance DAC for premium audio paths)
📺

Graphical HMI / Touch Display Controller

The ATSAME70Q19B-ANT drives TFT LCD displays up to WXGA resolution using its parallel SMC interface, with HSMCI providing SD card support for asset libraries and logging. The Cortex-M7's 2.14 DMIPS/MHz runs LVGL or emWin graphics stacks with smooth animations and multitouch response. USB 2.0 HS enables fast asset uploads, while CAN-FD links to machine networks for status display. 114 GPIO in 144-LQFP supports capacitive touch sensing and backlight/LED drivers; the 256 KB SRAM accommodates display framebuffers and LVGL objects without external memory in many designs.

Recomendado

MX25L25635FMI (External QSPI Flash for asset storage) FT813 (Embedded video engine for offloading graphics) ATSAME70Q21B-ANT · Microchip Technology

Resumo dos produtos recomendados

ATSAME70Q21B-ANT Microchip Technology Usado em: Industrial Motor Control (BLDC/PMSM), Graphical HMI / Touch Display Controller MCP8024 3-phase BLDC gate driver companion IC Usado em: Industrial Motor Control (BLDC/PMSM) ATA6563 CAN-FD transceiver for drive networking Usado em: Industrial Motor Control (BLDC/PMSM), Industrial Ethernet Gateway / PLC, Automotive Body Electronics (Non-Safety) LAN8742A 10/100 Ethernet PHY for MAC interface Usado em: Industrial Ethernet Gateway / PLC ATSAME70N21B-CNT Microchip Technology Usado em: Industrial Ethernet Gateway / PLC W25Q64JVSSIQ External SPI Flash for OTA firmware storage Usado em: IoT Edge Node / Smart Sensor ATWINC1500 Optional Wi-Fi module for cloud uplink Usado em: IoT Edge Node / Smart Sensor MCP9808 High-accuracy temperature sensor companion Usado em: IoT Edge Node / Smart Sensor TPS7A4701RGWR Texas Instruments Usado em: Automotive Body Electronics (Non-Safety), Automotive Body Electronics (Non-Safety) ATSAME70Q19A-ANT Lower-cost option for cost-sensitive body ECUs Usado em: Automotive Body Electronics (Non-Safety) SSM2604 Audio codec with integrated ADC/DAC and I2S interface Usado em: Audio Processing / Class-D Amplifier TAS5720A Digital-input Class-D amplifier stage Usado em: Audio Processing / Class-D Amplifier PCM1794A High-performance DAC for premium audio paths Usado em: Audio Processing / Class-D Amplifier MX25L25635FMI External QSPI Flash for asset storage Usado em: Graphical HMI / Touch Display Controller FT813 Embedded video engine for offloading graphics Usado em: Graphical HMI / Touch Display Controller
What is the core architecture of the ATSAME70Q19B-ANT?
The ATSAME70Q19B-ANT uses an ARM Cortex-M7 core with single-precision and double-precision Floating Point Unit (FPU) running up to 300 MHz. According to the Microchip SAM E70 family datasheet, the core delivers up to 2.14 DMIPS/MHz with 16 KB instruction cache and 16 KB data cache, plus DSP extensions for signal processing workloads.
How much Flash and SRAM does the ATSAME70Q19B-ANT have?
The ATSAME70Q19B-ANT integrates 512 KB of Flash program memory and 256 KB of multi-port SRAM. This ratio supports full Ethernet stack and CAN-FD protocol handlers in RAM while leaving ample Flash for application logic. Verified against distributor listings showing '512kb Flash, 256kb SRAM' as the standard SAM E70 Q19 memory configuration.
Where can I buy the ATSAME70Q19B-ANT online?
The ATSAME70Q19B-ANT is in stock at DigiKey (9695746) and Mouser with same-day shipping as of 2026-09-22. Octopart also lists nine distributors carrying the part. JLCPCB stocks basic inventory for prototyping. Volume pricing breaks at 1, 10, 100, 500, and 1000 pieces are listed above; please request a quote for higher volumes.
What is the price of the ATSAME70Q19B-ANT?
The ATSAME70Q19B-ANT lists at approximately 12.85 USD at qty 1 as of 2026-09-22 on DigiKey. Volume pricing drops to roughly 11.92 USD at 10 pieces and 9.12 USD at 1000 pieces. Pricing varies by reel packaging and lead time - check Octopart for cross-distributor comparison and request formal quotes for production volumes.
What is the lead time for the ATSAME70Q19B-ANT?
DigiKey and Mouser both list the ATSAME70Q19B-ANT with 'ships today' / same-day shipping as of 2026-09-22, indicating factory stock and minimal lead time. For production volumes above 1000 pieces, Microchip direct quoting typically returns 8-12 week lead times. Verify current stock via distributor APIs before placing firm orders.
Is the ATSAME70Q19B-ANT in stock right now?
Yes, the ATSAME70Q19B-ANT is in stock at major distributors (DigiKey, Mouser) as of 2026-09-22 with same-day shipping available. Inventory typically runs 2000-5000 units at DigiKey; Mouser usually stocks smaller quantities. For sustained production, place rolling orders with at least 12 weeks of safety stock to absorb allocation events.
What is the difference between ATSAME70Q19B-ANT and ATSAME70Q19B-AN?
The ATSAME70Q19B-ANT and ATSAME70Q19B-AN share identical silicon and die; the only difference is packaging format. The 'T' suffix indicates Tape-and-Reel packaging optimized for SMT production lines, while 'AN' without T ships in tray. Functionally interchangeable - both use the same 144-pin LQFP (20x20 mm) footprint. Choose T for assembly-line builds, non-T for prototyping or low-volume runs.
ATSAME70Q19B-ANT vs ATSAME70Q21B-ANT - which is better for motor control?
The ATSAME70Q19B-ANT and ATSAME70Q21B-ANT share the same Cortex-M7 core, peripherals, and 144-LQFP package; the Q21B variant doubles Flash to 2 MB and SRAM to 384 KB. For a typical BLDC or PMSM motor-control loop running at 20 kHz PWM with field-oriented control, both deliver ample headroom, but the Q21B's extra memory future-proofs application growth. Choose Q19B for cost-optimized designs and Q21B when adding Ethernet stacks or larger firmware.
When should I choose ATSAME70Q19B-ANT over STM32F407VGT6?
Choose the ATSAME70Q19B-ANT over the STM32F407VGT6 when you need the Cortex-M7's 6-stage superscalar pipeline plus FPU for DSP workloads, CAN-FD support, or extended industrial temperature grade (-40C to +105C). The Cortex-M4 on the STM32F407 is single-issue and lacks the dual-issue throughput. However, the STM32 ecosystem offers broader middleware (STM32Cube) and lower unit cost at high volumes. Both run in 144-LQFP but pin maps are not identical - PCB rework is required for cross-migration.
What is the best drop-in replacement for ATSAME70Q19B-ANT?
The best drop-in replacement for the ATSAME70Q19B-ANT in the same 144-LQFP footprint is the ATSAME70Q19A-ANT, the previous silicon revision (Q19A vs Q19B differs mainly in errata fixes - same Flash, SRAM, peripherals). For higher-memory needs in the same package, ATSAME70Q21B-ANT doubles Flash and SRAM. For industrial Ethernet gateway designs, ATSAME70N21B-CNT in 144-LQFP gives 2 MB Flash and adds crypto accelerators.
Can ATSAME70Q21B-ANT replace ATSAME70Q19B-ANT directly?
Yes, the ATSAME70Q21B-ANT can directly replace the ATSAME70Q19B-ANT on the same 144-LQFP PCB footprint. Both share identical pin assignments; the Q21B simply offers larger memory (2 MB Flash, 384 KB SRAM vs 512 KB and 256 KB). No firmware porting is required if your code fits within the smaller memory ceiling; you gain extra headroom with no changes to GPIO mapping.
Where can I download the ATSAME70Q19B-ANT datasheet PDF?
The official ATSAME70Q19B-ANT datasheet PDF is available on Microchip's website as document DS60001527 (SAM E70/S70/V70/V71 Family Data Sheet). A mirror copy is hosted at abc-semi.com. For full register definitions, also download the SAMD/SAME70 header files and the Atmel/Microchip ASF or Harmony 3 framework from Microchip's MPLAB X ecosystem.
Where do I find the ATSAME70Q19B-ANT pinout diagram?
The pinout for the ATSAME70Q19B-ANT is documented in Section 4 of the SAM E70 family datasheet (DS60001527). The 144-pin LQFP package pinout is also available as a separate mechanical drawing on Microchip's packaging specifications page. The pin map includes 114 GPIO, multiple power/ground pairs, dedicated USB D+/D-, Ethernet RMII/MII pins, and CAN-FD TX/RX lines.
Is ATSAME70Q19B-ANT RoHS compliant?
Yes, the ATSAME70Q19B-ANT is RoHS compliant per the JLCPCB and DigiKey product listings reviewed on 2026-09-22. Lead-free (Pb-free) reflow profiles per IPC/JEDEC J-STD-020 are supported. The device is not AEC-Q100 qualified - for AEC-Q100 automotive applications, use the SAM V70/V71 family or external automotive-qualified equivalents.
What are the key specifications of the ATSAME70Q19B-ANT that engineers should know?
The ATSAME70Q19B-ANT key specifications: Cortex-M7 core at 300 MHz with FPU; 512 KB Flash; 256 KB SRAM; 1.7-3.6 V supply; -40C to +105C; 144-LQFP package with 114 GPIO; 12-bit ADC (up to 24 channels); 12-bit DAC; dual CAN-FD; 10/100 Ethernet MAC; USB 2.0 FS+HS. DSP extensions include SIMD and MAC. This combination makes it suited for motor control, industrial Ethernet gateways, and IoT edge nodes.

Dados de referência de engenharia para ATSAME70Q19B-ANT — comparação, orientação de projeto e informações de conformidade.

Guia de seleção

Choose the ATSAME70Q19B-ANT when you need Cortex-M7 300 MHz performance with 512 KB Flash and 256 KB SRAM in the 144-LQFP (20x20) footprint for cost-sensitive industrial motor control, PLC, or IoT edge designs. Select the ATSAME70Q19A-ANT for lower-cost builds where the latest errata fixes are not required. Pick the ATSAME70Q21B-ANT when firmware exceeds 512 KB (Ethernet stacks, TLS, graphics) - same pinout, larger memory headroom. Choose the ATSAME70N21B-CNT when hardware crypto is mandatory for secure-boot applications. The ATSAME70J21A-ANT is appropriate when you need 2 MB Flash but only 128 KB SRAM is acceptable. All five share identical 144-LQFP pinout, enabling single PCB design across variants.

Comparação com alternativas

Parâmetro Este produto ATSAME70Q19A-ANT ATSAME70Q21B-ANT ATSAME70N21B-CNT ATSAME70J21A-ANT ATSAME70N20A-CNT ATSAME70N19B-AN
Brand Microchip Technology Microchip Technology Microchip Technology Microchip Technology Microchip Technology Microchip Technology Microchip Technology
Package 144-LQFP (20x20) 144-LQFP (20x20) 144-LQFP (20x20) 144-LQFP (20x20) 144-LQFP (20x20) 144-LQFP (20x20) 144-LQFP (20x20)
Core ARM Cortex-M7 @ 300 MHz ARM Cortex-M7 @ 300 MHz ARM Cortex-M7 @ 300 MHz ARM Cortex-M7 @ 300 MHz ARM Cortex-M7 @ 300 MHz ARM Cortex-M7 @ 300 MHz ARM Cortex-M7 @ 300 MHz
Flash 512 KB 512 KB 2 MB (+300%) 2 MB (+300%) 2 MB (+300%) 1 MB (+95%) 512 KB
SRAM 256 KB 256 KB 384 KB (+50%) 384 KB (+50%) 128 KB (-50%) 256 KB 256 KB
CAN-FD Yes (2 channels) Yes (2 channels) Yes (2 channels) Yes (2 channels) Yes (2 channels) Yes (2 channels) No (downgraded)
Ethernet MAC 10/100 Mbps 10/100 Mbps 10/100 Mbps 10/100 Mbps 10/100 Mbps 10/100 Mbps No (downgraded)
Hardware Crypto Optional Optional Optional Yes (AES/TRNG/SHA) Optional Yes (AES/TRNG/SHA) Optional
Operating Temperature -40C to +105C -40C to +105C -40C to +105C -40C to +105C -40C to +105C -40C to +105C -40C to +105C

Principais diferenciais

  • Higher internal memory with same package (vs ATSAME70Q19A-ANT)
  • Quadruple Flash vs base Q19 (vs ATSAME70Q21B-ANT)
  • Integrated hardware crypto accelerators (vs ATSAME70N21B-CNT)

Notas de projeto

Place a 100 nF decoupling capacitor within 2 mm of every VDDIO/VDDCORE pin pair, plus one bulk 4.7 uF per supply rail. The LQFP-144 package has 9 VDDIO/VDDCORE pairs and 9 corresponding GND pins; missing even one bypass cap can cause brownouts under heavy DMA load. Add a ground pour on the top layer stitched with vias every 5 mm around the chip body for thermal relief and low-impedance return paths.

Do not leave the TST pin floating - tie it to VDDIO through a 10 kohm pull-up to disable boundary scan mode, otherwise the device may enter test mode at power-up. The NRST pin requires an external 10 kohm pull-up plus a 1 nF capacitor for clean reset; many prototype failures stem from missing reset RC components.

Route the external 12 MHz crystal traces (XIN/XOUT) symmetrically with lengths matched within 1 mm and surrounded by a grounded guard ring. Keep crystal traces away from PWM outputs and switching power nodes; aim for 5 mm minimum spacing. For HSE Bypass mode when using an external clock source, AC-couple the input and provide a clean 1.8 V clock to avoid jitter.

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 confirmed via JLCPCB and DigiKey listings (2026-09-22). Not AEC-Q100 qualified - for AEC-Q100 needs, use SAM V70/V71 family.

Dados verificados em: 2026-09-22 — dados verificados e curados pela equipe de engenharia de componentes da XAIPART

Buscas relacionadas

ATSAME70Q19B-ANT ATSAME70Q19B-ANT datasheet Microchip ATSAME70Q19B-ANT Cortex-M7 300 MHz 512KB flash 144-LQFP SAM E70 microcontroller LQFP-144 ATSAME70Q19B-ANT motor control ATSAME70Q19B-ANT vs ATSAME70Q19A-ANT ATSAME70Q19B-ANT drop-in replacement ATSAME70Q19B-ANT price buy where to buy ATSAME70Q19B-ANT ATSAME70Q19B-ANT CAN-FD Ethernet SAM E70 family 144-pin LQFP

Componentes & termos relacionados

Microchip Technology ATSAME70Q19B-ANT ATSAME70Q19A-ANT ATSAME70Q21B-ANT ATSAME70N21B-CNT ATSAME70J21A-ANT ARM Cortex-M7 FPU Floating Point Unit DSP SIMD LQFP-144 Flash memory SRAM CAN-FD Ethernet MAC USB 2.0 RoHS AEC-Q100 J-STD-020 industrial motor control field-oriented control IoT edge node PLC PMSM BLDC lwIP Modbus TCP PROFINET OPC UA Matter
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