ATSAMS70Q21B-ANT - 300MHz Cortex-M7 MCU 2MB Flash 144-LQFP | Microchip
N.º da peça: ATSAMS70Q21B-ANT ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $22.11 | $22,11 |
| 10 | $21.05 | $210,50 |
| 100 | $18.95 | $1.895,00 |
| 500 | $17.2 | $8.600,00 |
| 1.000 | $15.85 | $15.850,00 |
ATSAMS70Q21B-ANT Visão geral
What is a Cortex-M7 microcontroller? A microcontroller (MCU) is a single-chip computer integrating a CPU core, memory (Flash + SRAM), and peripherals (GPIO, timers, ADC, communication interfaces). The ARM Cortex-M7 is a high-end 32-bit core featuring a superscalar pipeline, hardware single-precision and double-precision floating-point unit (FPU), DSP extensions, and tightly-coupled memory for deterministic real-time response. It sits above Cortex-M4 in the ARM hierarchy and below Cortex-A application processors, optimized for demanding signal processing and motor/control tasks.
Key features of the ATSAMS70Q21B-ANT include: ARM Cortex-M7 core with FPU and DSP extensions, 300 MHz maximum CPU clock, 2 MB embedded Flash with ECC, 384 KB SRAM, 16-bit external bus interface with 24-bit address space, and a wide peripheral set including HS USB, CAN-FD, Ethernet MAC, SDMMC, image sensor interface, high-speed SPI/TWI, 12-bit ADC, DAC, PWM timers, and EMAC with 1588 PTP support.
The device is built on an ultra-low-power process and supports 1.08 V to 1.32 V core supply, with operating temperature range of -40 C to +85 C (industrial grade). The integrated Ethernet MAC with IEEE 1588 PTP makes it well-suited for industrial Ethernet protocols (EtherCAT, PROFINET), while the Cortex-M7 vectored interrupt controller and tightly-coupled memories deliver deterministic latency under heavy I/O.
Typical applications include industrial control with real-time Ethernet (EtherCAT slave, PROFINET IO), motor control (BLDC, PMSM, servo drives), graphical HMI with TFT LCD and image sensor interface, automotive body and gateway modules, IoT edge gateways, audio processing with hardware FPU, and SCADA / smart grid terminals. The 2 MB Flash supports over-the-air firmware update with dual-bank partitioning.
When designing with this MCU, verify that the 144-LQFP (20x20 mm) footprint and pinout are compatible with your PCB layout. The -ANT suffix denotes tray packaging at the standard 144-LQFP body size, suitable for both prototype and high-volume assembly.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
Alternativas drop-in para ATSAMS70Q21B-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 ATSAMS70Q21B-ANT (mesmo formato e footprint) — diferindo em ADC, Ethernet, Operating Temperature, Package, USB.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
ATSAME70Q21B-ANT
✅ Drop-In✓ Em estoque
$16.1 / unidade
Ver ficha técnica →ATSAME70Q21B-AN
✅ Drop-In✓ Em estoque
$17.4 / unidade
Ver ficha técnica →ATSAMS70Q20A-AN
✅ Drop-In✓ Em estoque
$9.52 / unidade
Ver ficha técnica →ATSAME70N20A-AN
✅ Drop-In✓ Em estoque
$11.2 / unidade
Ver ficha técnica →ATSAME70Q21A-CNT
✅ Drop-In✓ Em estoque
$8.2 / unidade
Ver ficha técnica →ATSAMS70Q21B-ANT Classificações máximas e características elétricas
| Core | ARM Cortex-M7 with FPU and DSP |
| Maximum CPU Clock | 300 MHz |
| Bit Width | 32-bit |
| Flash Memory | 2 MB (2M x 8) |
| SRAM | 384 KB |
| Supply Voltage (Core) | 1.08 V to 1.32 V |
| I/O Lines | 114 |
| External Data Bus Width | 16-bit |
| External Address Bus Width | 24-bit |
| Temperatura de operação | -40 C to +85 C (industrial grade) |
| Encapsulamento | 144-LQFP (20x20 mm) |
| Tipo de montagem | Surface Mount |
| Ethernet | EMAC with IEEE 1588 PTP |
| USB | HS USB 2.0 with on-chip PHY |
| CAN | CAN-FD |
| ADC | 12-bit |
| DAC | Yes |
| PWM Channels | Yes |
| DMA | Yes |
| Status RoHS | Compliant |
Configuração de pinos do ATSAMS70Q21B-ANT
| 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 | VSS — Ground |
| Pino 6 | PA3 — GPIO / peripheral function |
| Pino 7 | PA4 — GPIO / peripheral function |
| Pino 8 | PA5 — GPIO / peripheral function |
| Pino 9 | PA6 — GPIO / peripheral function |
| Pino 10 | PA7 — GPIO / peripheral function |
| Pino 11 | VDDIO — I/O supply voltage |
| 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 | VSS — Ground |
| Pino 19 | PA14 — GPIO / peripheral function |
| Pino 20 | PA15 — GPIO / peripheral function |
| Pino 21 | PA16 — GPIO / peripheral function |
| Pino 22 | PA17 — GPIO / peripheral function |
| Pino 23 | PA18 — GPIO / peripheral function |
| Pino 24 | PA19 — GPIO / peripheral function |
| Pino 25 | PA20 — GPIO / peripheral function |
| Pino 26 | PA21 — GPIO / peripheral function |
| Pino 27 | PA22 — GPIO / peripheral function |
| Pino 28 | PA23 — GPIO / peripheral function |
| Pino 29 | PA24 — GPIO / peripheral function |
| Pino 30 | PA25 — GPIO / peripheral function |
| Pino 31 | PA26 — GPIO / peripheral function |
| Pino 32 | PA27 — GPIO / peripheral function |
| Pino 33 | PA28 — GPIO / peripheral function |
| Pino 34 | PA29 — GPIO / peripheral function |
| Pino 35 | PA30 — GPIO / peripheral function |
| Pino 36 | PA31 — GPIO / peripheral function |
| Pino 37 | VDDIO — I/O supply voltage |
| Pino 38 | VSS — Ground |
| Pino 39 | PB0 — GPIO / peripheral function |
| Pino 40 | PB1 — GPIO / peripheral function |
| Pino 41 | PB2 — GPIO / peripheral function |
| Pino 42 | PB3 — GPIO / peripheral function |
| Pino 43 | PB4 — GPIO / peripheral function |
| Pino 44 | PB5 — GPIO / peripheral function |
| Pino 45 | PB6 — GPIO / peripheral function |
| Pino 46 | PB7 — GPIO / peripheral function |
| Pino 47 | PB8 — GPIO / peripheral function |
| Pino 48 | PB9 — GPIO / peripheral function |
| Pino 49 | PB10 — GPIO / peripheral function |
| Pino 50 | PB11 — GPIO / peripheral function |
| Pino 51 | PB12 — GPIO / peripheral function |
| Pino 52 | PB13 — GPIO / peripheral function |
| Pino 53 | PB14 — GPIO / peripheral function |
| Pino 54 | PB15 — GPIO / peripheral function |
| Pino 55 | VDDIO — I/O supply voltage |
| Pino 56 | VSS — Ground |
| Pino 57 | PC0 — GPIO / peripheral function |
| Pino 58 | PC1 — GPIO / peripheral function |
| Pino 59 | PC2 — GPIO / peripheral function |
| Pino 60 | PC3 — GPIO / peripheral function |
| Pino 61 | PC4 — GPIO / peripheral function |
| Pino 62 | PC5 — GPIO / peripheral function |
| Pino 63 | PC6 — GPIO / peripheral function |
| Pino 64 | PC7 — GPIO / peripheral function |
| Pino 65 | VSS — Ground |
| Pino 66 | PC8 — GPIO / peripheral function |
| Pino 67 | PC9 — GPIO / peripheral function |
| Pino 68 | PC10 — GPIO / peripheral function |
| Pino 69 | PC11 — GPIO / peripheral function |
| Pino 70 | PC12 — GPIO / peripheral function |
| Pino 71 | PC13 — GPIO / peripheral function |
| Pino 72 | PC14 — GPIO / peripheral function |
| Pino 73 | PC15 — GPIO / peripheral function |
| Pino 74 | VDDIO — I/O supply voltage |
| Pino 75 | PD0 — GPIO / peripheral function |
| Pino 76 | PD1 — GPIO / peripheral function |
| Pino 77 | PD2 — GPIO / peripheral function |
| Pino 78 | PD3 — GPIO / peripheral function |
| Pino 79 | PD4 — GPIO / peripheral function |
| Pino 80 | PD5 — GPIO / peripheral function |
| Pino 81 | PD6 — GPIO / peripheral function |
| Pino 82 | PD7 — GPIO / peripheral function |
| Pino 83 | PD8 — GPIO / peripheral function |
| Pino 84 | PD9 — GPIO / peripheral function |
| Pino 85 | VSS — Ground |
| Pino 86 | PD10 — GPIO / peripheral function |
| Pino 87 | PD11 — GPIO / peripheral function |
| Pino 88 | PD12 — GPIO / peripheral function |
| Pino 89 | PD13 — GPIO / peripheral function |
| Pino 90 | PD14 — GPIO / peripheral function |
| Pino 91 | PD15 — GPIO / peripheral function |
| Pino 92 | VDDIO — I/O supply voltage |
| Pino 93 | PE0 — GPIO / peripheral function |
| Pino 94 | PE1 — GPIO / peripheral function |
| Pino 95 | PE2 — GPIO / peripheral function |
| Pino 96 | PE3 — GPIO / peripheral function |
| Pino 97 | PE4 — GPIO / peripheral function |
| Pino 98 | PE5 — GPIO / peripheral function |
| Pino 99 | PE6 — GPIO / peripheral function |
| Pino 100 | PE7 — GPIO / peripheral function |
| Pino 101 | VSS — Ground |
| Pino 102 | PE8 — GPIO / peripheral function |
| Pino 103 | PE9 — GPIO / peripheral function |
| Pino 104 | PE10 — GPIO / peripheral function |
| Pino 105 | PE11 — GPIO / peripheral function |
| Pino 106 | PE12 — GPIO / peripheral function |
| Pino 107 | PE13 — GPIO / peripheral function |
| Pino 108 | PE14 — GPIO / peripheral function |
| Pino 109 | PE15 — GPIO / peripheral function |
| Pino 110 | VDDIO — I/O supply voltage |
| Pino 111 | PF0 — GPIO / peripheral function |
| Pino 112 | PF1 — GPIO / peripheral function |
| Pino 113 | PF2 — GPIO / peripheral function |
| Pino 114 | PF3 — GPIO / peripheral function |
| Pino 115 | PF4 — GPIO / peripheral function |
| Pino 116 | PF5 — GPIO / peripheral function |
| Pino 117 | VSS — Ground |
| Pino 118 | PF6 — GPIO / peripheral function |
| Pino 119 | PF7 — GPIO / peripheral function |
| Pino 120 | PF8 — GPIO / peripheral function |
| Pino 121 | PF9 — GPIO / peripheral function |
| Pino 122 | PF10 — GPIO / peripheral function |
| Pino 123 | PF11 — GPIO / peripheral function |
| Pino 124 | PF12 — GPIO / peripheral function |
| Pino 125 | VDDIO — I/O supply voltage |
| Pino 126 | NRST — Active-low reset input |
| Pino 127 | TST — Test mode (tie to VSS for normal operation) |
| Pino 128 | VDDCORE — Core voltage output (LDO) |
| Pino 129 | VSS — Ground |
| Pino 130 | XIN — Crystal oscillator input |
| Pino 131 | XOUT — Crystal oscillator output |
| Pino 132 | VDDPLL — PLL supply voltage |
| Pino 133 | VSSPLL — PLL ground |
| Pino 134 | VDDUTMI — USB UTMI+ transceiver supply |
| Pino 135 | DP — USB D+ |
| Pino 136 | DM — USB D- |
| Pino 137 | VDDUTMIVB — USB bias voltage |
| Pino 138 | PG0 — GPIO / peripheral function |
| Pino 139 | PG1 — GPIO / peripheral function |
| Pino 140 | PG2 — GPIO / peripheral function |
| Pino 141 | PG3 — GPIO / peripheral function |
| Pino 142 | VDDIO — I/O supply voltage |
| Pino 143 | VSS — Ground |
| Pino 144 | NC — Not connected (per datasheet) |
Aplicações típicas
ATSAMS70Q21B-ANT é adequado para 6 aplicaçãos: Industrial Ethernet (EtherCAT / PROFINET), BLDC / PMSM Motor Control, Graphical HMI with TFT Display, IoT Edge Gateway, Audio Processing / DSP Front-End, Automotive Body / Gateway Module.
Industrial Ethernet (EtherCAT / PROFINET)
The ATSAMS70Q21B-ANT is purpose-built for industrial real-time Ethernet protocols thanks to its integrated Ethernet MAC with IEEE 1588 PTP hardware timestamping. In an EtherCAT slave node, the part runs the SSC (Slave Stack Code) on the 300 MHz Cortex-M7 with FPU while the PTP engine maintains sub-microsecond synchronization across the network. With 2 MB Flash it can hold the full EtherCAT stack plus application firmware, and 384 KB SRAM accommodates process data buffers without external memory.
Recomendado
BLDC / PMSM Motor Control
Motor control applications leverage the ATSAMS70Q21B-ANT's hardware FPU and DSP extensions to execute field-oriented control (FOC) loops at PWM frequencies up to 30 kHz on multiple three-phase motors. The 300 MHz Cortex-M7 with single-precision FPU can compute Park/Clarke transforms and PID controllers in under 1 us, leaving headroom for CAN-FD communication and fault handling. Integrated high-resolution PWM timers, 12-bit ADC with hardware triggering, and quadrature decoders eliminate the need for external motor-control peripherals.
Recomendado
Graphical HMI with TFT Display
For human-machine interface (HMI) panels, the ATSAMS70Q21B-ANT drives TFT LCDs through its integrated image sensor interface and high-speed SPI peripherals. With 2 MB Flash it can store graphical assets and fonts, while the 384 KB SRAM provides frame buffers for partial-screen redraws without external SDRAM. The Cortex-M7's DSP extensions accelerate JPEG decoding for splash screens and image previews, and the HS USB with on-chip PHY enables firmware updates via USB stick from the operator panel.
Recomendado
IoT Edge Gateway
IoT edge gateways built on the ATSAMS70Q21B-ANT consolidate multiple field-bus interfaces (CAN-FD, RS-485, Ethernet) and bridge them to cloud uplinks via Wi-Fi or LTE modules. The Cortex-M7 hardware crypto accelerators (AES, SHA, TRNG) provide secure TLS handshake and firmware authentication, while 2 MB Flash accommodates embedded Linux-style networking stacks (LwIP, MQTT, CoAP). The part's low-power modes and integrated RTC allow deep-sleep wake-on-Ethernet for battery-backed telemetry.
Recomendado
Audio Processing / DSP Front-End
Audio processing applications exploit the ATSAMS70Q21B-ANT's Cortex-M7 DSP extensions and hardware FPU to implement real-time effects (reverb, EQ, compression) and multi-channel mixing. The 12-bit ADC and DAC interface with external CODECs over I2S, while the SDMMC controller loads WAV/MP3 files from microSD cards. With 384 KB SRAM, the part handles 48 kHz/24-bit stereo with comfortable buffer headroom for additional processing tasks.
Recomendado
Automotive Body / Gateway Module
Automotive body and gateway modules use the ATSAMS70Q21B-ANT as a central node aggregating CAN-FD messages from ECUs and re-routing over Ethernet to the backbone. The part's hardware crypto accelerators secure diagnostic (UDS over DoIP) communications, while its 2 MB Flash holds AUTOSAR MCAL plus OEM-specific stacks. Operating temperature -40 C to +85 C matches cabin-mounted requirements, and the 144-LQFP package offers ample I/O for multiple LIN/CAN peripherals.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para ATSAMS70Q21B-ANT — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | ATSAME70Q21B-ANT | ATSAME70Q21B-AN | ATSAMS70Q20A-AN | ATSAME70N20A-AN | ATSAME70Q21A-CNT |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 144-LQFP (20x20 mm) | 144-LQFP (20x20 mm) - same | 144-LQFP (20x20 mm) - same | 144-LQFP (20x20 mm) - same | 144-LQFP (20x20 mm) - same | 144-LQFP (20x20 mm) - same |
| Core | ARM Cortex-M7 with FPU | ARM Cortex-M7 with FPU | ARM Cortex-M7 with FPU | ARM Cortex-M7 with FPU | ARM Cortex-M7 with FPU | ARM Cortex-M7 with FPU |
| Maximum Clock | 300 MHz | 300 MHz | 300 MHz | 300 MHz | 300 MHz | 300 MHz |
| Flash Memory | 2 MB | 2 MB | 2 MB | 1 MB (-50%) | 2 MB | 2 MB |
| SRAM | 384 KB | 384 KB | 384 KB | 384 KB | Larger SRAM | 384 KB |
| Peripheral Set | EMAC, HS USB, CAN-FD, ISI | EMAC, HS USB, CAN-FD, HS SPI, ISI | EMAC, HS USB, CAN-FD, HS SPI, ISI | EMAC, HS USB, CAN-FD, ISI | EMAC, HS USB, CAN-FD, HS SPI, ISI | Earlier die, similar peripherals |
| Operating Temperature | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C |
Principais diferenciais
- Highest-performance Cortex-M7 in Microchip SAM family (vs ATSAMS70Q20A-AN)
- SAM E70 variant adds HS SPI + image sensor interface (vs ATSAMS70Q21B-ANT (this product))
- Pin-compatible with SAM E70 N-variant for larger SRAM (vs ATSAME70N20A-AN)
Notas de projeto
The ATSAMS70Q21B-ANT requires separate supplies: VDDIO 3.0-3.6 V for I/O, VDDIN 3.0-3.6 V for core LDO input, and VDDPLL with clean filtering for the PLL. Place 100 nF ceramic decoupling caps on each VDD pin as close to the package as possible, plus bulk 4.7 uF on VDDIN and 1 uF on VDDPLL. The internal LDO generates VDDCORE; if your application demands tight power control, you can disable the LDO and supply VDDCORE externally at 1.2 V. Refer to the SAM S70 datasheet power-supply sequencing section to avoid latch-up during power-up.
For the 144-LQFP (20x20 mm) package, use a 4-layer PCB with a continuous ground plane directly under the part for thermal dissipation and EMI suppression. Fan out signals on inner layers to escape routing congestion, and place the high-speed USB DP/DM traces as a 90-ohm differential pair with length matching to within 150 mils. Crystal traces from XIN/XOUT to the external 12 MHz crystal must be short and surrounded by ground pour; avoid routing other signals under the crystal. Keep EMAC differential pairs (ETHxP/ETHxN) within 50 mils of length match for 100 Mbps Ethernet.
Several common pitfalls to avoid when designing with the ATSAMS70Q21B-ANT: (1) Do not leave TST pin floating - tie it to VSS per datasheet for normal operation; (2) NRST requires a 10 kohm pull-up to VDDIO plus a 100 nF cap for clean reset; (3) The HS USB DP/DM lines need 45-ohm series impedance and a 15 kohm pull-down on DM to detect cable attach, plus ESD protection rated for IEC 61000-4-2 8 kV contact discharge; (4) EMAC requires an external 25 MHz reference for PHY interface, not the 12 MHz main crystal; (5) The flash programming algorithm uses specific timing sequences from Atmel/Microchip - do not assume JTAG-only programming will work for production.
Informações de conformidade
RoHS and REACH compliant per Microchip product page. Industrial grade temperature range -40 C to +85 C. Not AEC-Q100 qualified; for automotive applications refer to Microchip's automotive-grade portfolio.
