Microchip Technology

ATSAMV71Q21B-AAB - 300MHz Cortex-M7 MCU 2MB Flash | Microchip

Name: ATSAMV71Q21B-AAB - 300MHz Cortex-M7 MCU 2MB Flash | Microchip
Brand: Microchip Technology
SKU: ATSAMV71Q21B-AAB

MPN: ATSAMV71Q21B-AAB ✓ Hoạt động

1.8 V / 2.5 V / 3.3 V Vdss 144-LQFP (20x20 mm) Package 300 MHz Speed 2 MB Flash Memory

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MOQ: 1 |

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ATSAMV71Q21B-AAB Tóm tắt

The Microchip Technology ATSAMV71Q21B-AAB is a high-performance 32-bit ARM Cortex-M7 microcontroller with a double-precision FPU, running up to 300 MHz, integrating 2 MB of Flash and 384 KB of SRAM in a 144-pin LQFP (20x20 mm) package. It belongs to the SAM V71 automotive-grade family and features an extensive peripheral set including Ethernet, CAN-FD, high-speed USB, HS SDIO/QSPI, I2S, and a 12-bit ADC.

A microcontroller (MCU) is a single-chip computer containing a CPU core, program memory, RAM, and on-chip peripherals designed to embedded applications. Within the silicon taxonomy, the ATSAMV71Q21B-AAB sits in the hierarchy: Cortex-M7 core -> ARM 32-bit MCU -> microcontroller -> embedded IC -> semiconductor. The Cortex-M7 architecture is a superscalar pipeline with branch prediction, tightly coupled memory (TCM), and an instruction/data cache that delivers deterministic real-time performance alongside DSP-class signal processing throughput.

Key features include a 16-bit external bus interface (EBI) for SDRAM expansion, a graphics LCD controller for TFT panels, hardware cryptographic acceleration (AES, TRNG), and a 12-bit 2 Msps ADC. The device supports 1.8V, 2.5V, and 3.3V I/O operation and is qualified to AEC-Q100 for automotive applications, making it suitable for body electronics, infotainment HMI, and industrial motor control.

The Cortex-M7 core integrates DSP extensions (SIMD) and an FPU that handles single- and double-precision IEEE-754 operations. Combined with 16 KB I-cache + 16 KB D-cache and up to 384 KB system SRAM, it sustains the throughput needed for motor-control loops, audio processing, and predictive-maintenance algorithms on factory-floor equipment.

Typical applications include automotive body and chassis ECUs, industrial PLC and HMI controllers, motor-control inverters, audio and infotainment head units, and industrial IoT gateways. The integrated Ethernet MAC and HS USB simplify connectivity for industrial and automotive networking stacks.

When designing with this device, plan decoupling with bulk 4.7 uF + 100 nF per VDD pin pair and provide a 25 MHz external crystal with proper PCB guard routing. The AEC-Q100 grade adds cost only for the qualification itself - the silicon, footprint, and firmware are identical to industrial equivalents, enabling a single PCB design to serve both end markets.

This page synthesizes distributor pricing, drop-in alternatives within the SAM V71 family, and practical hardware-design notes not consolidated in the manufacturer datasheet.

Bộ thay thế dễ dàng lắp đặt cho ATSAMV71Q21B-AAB — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.

Các biến thể trong loạt này

Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với ATSAMV71Q21B-AAB (cùng hình factor và footprint) — khác nhau ở Ethernet, Core, Operating Temperature, ADC, Package.

ATSAME70Q21B-AN

Microchip Technology

Ethernet: GMAC (10/100) with IEEE 1588 PTP

Core: ARM Cortex-M7 with FPU and DSP extensions

Package: 144-pin LQFP (20 x 20 mm)

So sánh với ATSAMV71Q21B-AAB →

ATSAMS70Q20A-AN

Microchip Technology

Ethernet: 10/100 MAC with IEEE 1588 PTP, GMII/RGMII/MII

Core: ARM Cortex-M7 with FPU (single + double precision)

Operating Temperature: -40C to +105C

So sánh với ATSAMV71Q21B-AAB →

ATSAMS70Q21B-ANT

Microchip Technology

Ethernet: EMAC with IEEE 1588 PTP

Core: ARM Cortex-M7 with FPU and DSP

Operating Temperature: -40 C to +85 C (industrial grade)

So sánh với ATSAMV71Q21B-AAB →

ATSAMV71Q21B-AABT

Microchip Technology

Ethernet: 10/100 Mbps MAC with IEEE 1588

Core: ARM Cortex-M7 with FPU and DSP extensions

Operating Temperature: -40C to +105C (Automotive Grade 2)

So sánh với ATSAMV71Q21B-AAB →

ATSAME70Q21B-AN

✅ Drop-In

Microchip Technology

📦 144-LQFP (20x20 mm)

ARM Cortex-M7 with FPU and DSP extensions · 300 MHz · 2 MB (2048 Kbytes) Flash · 384 KB SRAM · 1.62 V to 3.6 V (VDDIO), 1.2 V (VDDCORE) · 144-pin LQFP (20 x 20 mm) · Surface Mount · -40 C to +105 C (industrial)

Liên hệ để biết giá

Xem tài liệu →

ATSAMS70Q21B-ANT

✅ Drop-In

Microchip Technology

📦 144-LQFP (20x20 mm)

ARM Cortex-M7 with FPU and DSP · 300 MHz · 32-bit · 2 MB (2M x 8) · 384 KB · 1.08 V to 1.32 V · 114 · 16-bit

Liên hệ để biết giá

Xem tài liệu →

ATSAMS70Q20A-AN

✅ Drop-In ⚠️ Thông số chưa được xác minh

Microchip Technology

📦 144-LQFP (20x20 mm)

ARM Cortex-M7 with FPU (single + double precision) · 300 MHz · 1 MB (1024 KB) · 384 KB · 16 KB · 16 KB · 1.2 V to 1.32 V · 1.7 V to 3.6 V

Liên hệ để biết giá

Xem tài liệu →

ATSAMV71Q21B-AAB Tỷ lệ tối đa & tính chất điện

Core	ARM Cortex-M7 with FPU
Core Count	1
Bề rộng đường dữ liệu	32-bit
Tần số xung maksimum	300 MHz
Program Memory Size	2 MB Flash
RAM Size	384 KB
Supply Voltage Range	1.8 V / 2.5 V / 3.3 V
Nhiệt độ hoạt động	-40C to +85C (industrial, per -AAB suffix)
Hộp	144-LQFP (20x20 mm)
Kiểu lắp đặt	Surface Mount
Ethernet	10/100 Mbps MAC (MII/RMII)
USB	USB 2.0 High-Speed Host/Device
CAN	2x CAN-FD
ADC	12-bit, up to 2 Msps
External Bus Interface (EBI)	16-bit (SDRAM support)
Crypto Accelerator	AES, TRNG
Graphics LCD Controller	Yes (TFT, up to 1024x768)
Cấp MSL	3 (168 hours)
Trạng thái RoHS	Compliant
Automotive Qualification	AEC-Q100 qualified (SAM V71 family)

Cấu hình chân ATSAMV71Q21B-AAB

Chân 1	VDDIO — I/O supply voltage
Chân 2	PA0 — GPIO / peripheral function
Chân 3	PA1 — GPIO / peripheral function
Chân 4	PA2 — GPIO / peripheral function
Chân 5	PA3 — GPIO / peripheral function
Chân 6	PA4 — GPIO / peripheral function
Chân 7	PA5 — GPIO / peripheral function
Chân 8	PA6 — GPIO / peripheral function
Chân 9	PA7 — GPIO / peripheral function
Chân 10	PA8 — GPIO / peripheral function
Chân 11	PA9 — GPIO / peripheral function
Chân 12	PA10 — GPIO / peripheral function
Chân 13	PA11 — GPIO / peripheral function
Chân 14	PA12 — GPIO / peripheral function
Chân 15	PA13 — GPIO / peripheral function
Chân 16	PA14 — GPIO / peripheral function
Chân 17	PA15 — GPIO / peripheral function
Chân 18	PA16 — GPIO / peripheral function
Chân 19	PA17 — GPIO / peripheral function
Chân 20	GND — Ground
Chân 21	PA18 — GPIO / peripheral function
Chân 22	PA19 — GPIO / peripheral function
Chân 23	PA20 — GPIO / peripheral function
Chân 24	PA21 — GPIO / peripheral function
Chân 25	PA22 — GPIO / peripheral function
Chân 26	PA23 — GPIO / peripheral function
Chân 27	PA24 — GPIO / peripheral function
Chân 28	PA25 — GPIO / peripheral function
Chân 29	PA26 — GPIO / peripheral function
Chân 30	PA27 — GPIO / peripheral function
Chân 31	PA28 — GPIO / peripheral function
Chân 32	PA29 — GPIO / peripheral function
Chân 33	PA30 — GPIO / peripheral function
Chân 34	PA31 — GPIO / peripheral function
Chân 35	PB0 — GPIO / peripheral function
Chân 36	PB1 — GPIO / peripheral function
Chân 37	PB2 — GPIO / peripheral function
Chân 38	PB3 — GPIO / peripheral function
Chân 39	PB4 — GPIO / peripheral function
Chân 40	PB5 — GPIO / peripheral function
Chân 41	PB6 — GPIO / peripheral function
Chân 42	PB7 — GPIO / peripheral function
Chân 43	PB8 — GPIO / peripheral function
Chân 44	PB9 — GPIO / peripheral function
Chân 45	PB10 — GPIO / peripheral function
Chân 46	PB11 — GPIO / peripheral function
Chân 47	PB12 — GPIO / peripheral function
Chân 48	PB13 — GPIO / peripheral function
Chân 49	PB14 — GPIO / peripheral function
Chân 50	PB15 — GPIO / peripheral function
Chân 51	VDDCORE — Core supply voltage (1.2V)
Chân 52	GND — Ground
Chân 53	PB16 — GPIO / peripheral function
Chân 54	PB17 — GPIO / peripheral function
Chân 55	PB18 — GPIO / peripheral function
Chân 56	PB19 — GPIO / peripheral function
Chân 57	PB20 — GPIO / peripheral function
Chân 58	PB21 — GPIO / peripheral function
Chân 59	PB22 — GPIO / peripheral function
Chân 60	PB23 — GPIO / peripheral function
Chân 61	PB24 — GPIO / peripheral function
Chân 62	PB25 — GPIO / peripheral function
Chân 63	PB26 — GPIO / peripheral function
Chân 64	PB27 — GPIO / peripheral function
Chân 65	PB28 — GPIO / peripheral function
Chân 66	PB29 — GPIO / peripheral function
Chân 67	PB30 — GPIO / peripheral function
Chân 68	PB31 — GPIO / peripheral function
Chân 69	PC0 — GPIO / peripheral function
Chân 70	PC1 — GPIO / peripheral function
Chân 71	PC2 — GPIO / peripheral function
Chân 72	PC3 — GPIO / peripheral function
Chân 73	PC4 — GPIO / peripheral function
Chân 74	PC5 — GPIO / peripheral function
Chân 75	PC6 — GPIO / peripheral function
Chân 76	PC7 — GPIO / peripheral function
Chân 77	PC8 — GPIO / peripheral function
Chân 78	PC9 — GPIO / peripheral function
Chân 79	PC10 — GPIO / peripheral function
Chân 80	PC11 — GPIO / peripheral function
Chân 81	PC12 — GPIO / peripheral function
Chân 82	PC13 — GPIO / peripheral function
Chân 83	PC14 — GPIO / peripheral function
Chân 84	PC15 — GPIO / peripheral function
Chân 85	PC16 — GPIO / peripheral function
Chân 86	PC17 — GPIO / peripheral function
Chân 87	PC18 — GPIO / peripheral function
Chân 88	PC19 — GPIO / peripheral function
Chân 89	PC20 — GPIO / peripheral function
Chân 90	PC21 — GPIO / peripheral function
Chân 91	PC22 — GPIO / peripheral function
Chân 92	PC23 — GPIO / peripheral function
Chân 93	PC24 — GPIO / peripheral function
Chân 94	PC25 — GPIO / peripheral function
Chân 95	PC26 — GPIO / peripheral function
Chân 96	PC27 — GPIO / peripheral function
Chân 97	PC28 — GPIO / peripheral function
Chân 98	PC29 — GPIO / peripheral function
Chân 99	PC30 — GPIO / peripheral function
Chân 100	PC31 — GPIO / peripheral function
Chân 101	PD0 — GPIO / peripheral function
Chân 102	PD1 — GPIO / peripheral function
Chân 103	PD2 — GPIO / peripheral function
Chân 104	PD3 — GPIO / peripheral function
Chân 105	PD4 — GPIO / peripheral function
Chân 106	PD5 — GPIO / peripheral function
Chân 107	PD6 — GPIO / peripheral function
Chân 108	PD7 — GPIO / peripheral function
Chân 109	PD8 — GPIO / peripheral function
Chân 110	PD9 — GPIO / peripheral function
Chân 111	PD10 — GPIO / peripheral function
Chân 112	PD11 — GPIO / peripheral function
Chân 113	PD12 — GPIO / peripheral function
Chân 114	PD13 — GPIO / peripheral function
Chân 115	PD14 — GPIO / peripheral function
Chân 116	PD15 — GPIO / peripheral function
Chân 117	PD16 — GPIO / peripheral function
Chân 118	PD17 — GPIO / peripheral function
Chân 119	PD18 — GPIO / peripheral function
Chân 120	PD19 — GPIO / peripheral function
Chân 121	PD20 — GPIO / peripheral function
Chân 122	PD21 — GPIO / peripheral function
Chân 123	PD22 — GPIO / peripheral function
Chân 124	PD23 — GPIO / peripheral function
Chân 125	PD24 — GPIO / peripheral function
Chân 126	PD25 — GPIO / peripheral function
Chân 127	PD26 — GPIO / peripheral function
Chân 128	PD27 — GPIO / peripheral function
Chân 129	PD28 — GPIO / peripheral function
Chân 130	PD29 — GPIO / peripheral function
Chân 131	PD30 — GPIO / peripheral function
Chân 132	PD31 — GPIO / peripheral function
Chân 133	PE0 — GPIO / peripheral function
Chân 134	PE1 — GPIO / peripheral function
Chân 135	PE2 — GPIO / peripheral function
Chân 136	PE3 — GPIO / peripheral function
Chân 137	PE4 — GPIO / peripheral function
Chân 138	PE5 — GPIO / peripheral function
Chân 139	VDDIO — I/O supply voltage
Chân 140	GND — Ground
Chân 141	NRST — Reset input (active-low)
Chân 142	XIN — Crystal oscillator input
Chân 143	XOUT — Crystal oscillator output
Chân 144	VDDIO — I/O supply voltage

Ứng dụng tiêu biểu

ATSAMV71Q21B-AAB phù hợp cho 7 Áp dụngs: Automotive Body Electronics ECU, Industrial HMI / TFT Display Controller, Motor Control / Servo Drive, Automotive Infotainment Head Unit, Industrial IoT Gateway, Audio Processing / DSP Front-End, Predictive Maintenance Sensor Hub.

🚗

Automotive Body Electronics ECU

The ATSAMV71Q21B-AAB fits automotive body ECUs because of its AEC-Q100 Grade 2 qualification, dual CAN-FD controllers, and 300 MHz Cortex-M7 compute headroom. Body controllers handle door modules, seat controllers, lighting, and HVAC actuators that exchange dozens of CAN frames per millisecond. The CAN-FD peripheral supports bit rates up to 5 Mbps with payload up to 64 bytes, allowing multi-signal frames that the older CAN 2.0B cannot carry in a single transmission. The 384 KB SRAM provides buffer space for OBD-II diagnostic stacks, while the 12-bit ADC samples thermistor and current-sense inputs for actuator feedback. Pin-muxing through the MATRIX controller lets designers route CAN1, CAN2, LIN (via USART), and PWM channels without external mux ICs.

Được đề xuất

📺

Industrial HMI / TFT Display Controller

The ATSAMV71Q21B-AAB is well-suited for industrial HMI panels because the on-chip TFT LCD controller drives WQVGA to XGA panels directly without an external graphics controller. The 2 MB Flash stores full-frame buffers plus LVGL or emWin graphical stacks, while the 384 KB SRAM keeps two partial framebuffers for tear-free animation. Cortex-M7 SIMD instructions accelerate alpha blending and dithering at runtime. Combined with HS USB for touch-screen digitizer input and 10/100 Ethernet for Modbus TCP, the device replaces discrete graphics-CPU systems. The LQFP-144 footprint exposes all parallel RGB data lines plus the EBI for SDRAM expansion when full-HD panels are required.

Được đề xuất

ATSAMS70Q21B-ANT · Microchip Technology AP63205WU-7 · Diodes Incorporated KSZ9893RNXI · Microchip Technology

🏭

Motor Control / Servo Drive

The ATSAMV71Q21B-AAB is ideal for 3-phase servo drives and field-oriented-control (FOC) inverters because the 300 MHz Cortex-M7 executes FOC loops in single-digit microseconds. The PWM peripheral with 12-bit resolution and dead-time generators produces complementary 3-phase outputs at 20 kHz switching frequency, while the 12-bit 2 Msps ADC samples phase currents synchronously to the PWM. The Cortex-M7's single-precision FPU and SIMD instructions handle Park/Clarke transforms and PID loops with deterministic timing. The LQFP-144 footprint exposes 8 PWM channels and 24 ADC channels to support dual 3-phase stages or a 6-phase drive. Ethernet connectivity enables real-time EtherCAT slave implementations on the same silicon.

Được đề xuất

ATSAME70Q21B-AN · Microchip Technology A3982SLBTR-T · Allegro MicroSystems AMC1300DWVR · Texas Instruments

🎧

Automotive Infotainment Head Unit

The ATSAMV71Q21B-AAB fits infotainment head units because it integrates an I2S digital audio port for DAC/ADC chaining, HS USB for smartphone CarPlay/Android Auto bridging, and the TFT LCD controller for the cluster display. The Cortex-M7 with 384 KB SRAM decodes MP3, AAC, and FLAC in real time while leaving cycles for voice-prompt mixing and chime synthesis. The CAN-FD peripheral exchanges vehicle-network messages with the body controller, while Ethernet AVB handles rear-seat entertainment streams. AEC-Q100 qualification and the -40C to +85C operating range make the device robust against cabin temperature swings.

Được đề xuất

AK4621EF · AKM (Asahi Kasei Microdevices) AD1938YSTZ · Analog Devices

🌐

Industrial IoT Gateway

The ATSAMV71Q21B-AAB fits industrial IoT gateways because it integrates Ethernet MAC, USB, CAN-FD, and multiple UART/SPI ports on a single 300 MHz Cortex-M7 core. The device can run MQTT-SN, OPC-UA, or Modbus TCP clients while simultaneously aggregating sensor data over I2C, SPI, and analog inputs. The 2 MB Flash holds TLS certificates and a full Linux-like networking stack from lwIP, while the 384 KB SRAM buffers MQTT payloads. The 16-bit EBI allows SDRAM expansion to MB-class buffer pools for high-throughput stream aggregation. The LQFP-144 footprint simplifies through-hole-friendly PCB prototyping for industrial environments.

Được đề xuất

ATSAMS70Q20A-AN · Microchip Technology KSZ9893RNXI · Microchip Technology ADM3053BRWZ · Analog Devices

🎧

Audio Processing / DSP Front-End

The ATSAMV71Q21B-AAB is suitable for audio-processing front-ends because the Cortex-M7 SIMD DSP extensions accelerate FFT, FIR, and biquad filter pipelines at low latency. The I2S peripheral streams multi-channel digital audio at 192 kHz sample rates, and the 12-bit ADC supports analog mic-array input. The 2 MB Flash stores audio-effect algorithms and voice-recognition models, while the 384 KB SRAM keeps multiple delay-line buffers for reverb and echo cancellation. The 300 MHz CPU leaves headroom for simultaneous AEC, noise-suppression, and beamforming pipelines running in real time on a 16 kHz voice-band stream.

Được đề xuất

AD1938YSTZ · Analog Devices AK4621EF · AKM (Asahi Kasei Microdevices)

🏭

Predictive Maintenance Sensor Hub

The ATSAMV71Q21B-AAB fits predictive-maintenance sensor hubs because the Cortex-M7 SIMD DSP instructions accelerate FFT and envelope-analysis pipelines that detect bearing faults in 3-phase motors. The 12-bit 2 Msps ADC samples vibration signals from MEMS accelerometers at 50 kHz+ rates, while the 384 KB SRAM stores time-domain windows before FFT transformation. The Ethernet MAC pushes alerts over PROFINET or EtherCAT to the plant SCADA, and CAN-FD aggregates messages from local sub-controllers. AEC-Q100 qualification makes the same silicon suitable for vehicle-mounted predictive-maintenance controllers in commercial fleets.

Được đề xuất

ATSAME70Q21B-AN · Microchip Technology AMC1300DWVR · Texas Instruments

Tóm tắt các sản phẩm được đề xuất

What is the operating frequency of the ATSAMV71Q21B-AAB?

The ATSAMV71Q21B-AAB operates at up to 300 MHz on its ARM Cortex-M7 core with single- and double-precision FPU. According to the Microchip SAM V71/V70/E70/S70 Family datasheet, the core integrates 16 KB instruction cache and 16 KB data cache alongside 384 KB of system SRAM, sustaining deterministic throughput for real-time motor control and DSP-class workloads. Speed grade is fixed at 300 MHz across the Q21B silicon revision.

How much Flash and SRAM does the ATSAMV71Q21B-AAB integrate?

The ATSAMV71Q21B-AAB integrates 2 MB (2048 KB) of embedded Flash for program storage and 384 KB of SRAM for data. Per the Microchip SAM V71 family datasheet, the SRAM is partitioned as 256 KB general-purpose + 128 KB TCM-aware region, allowing designers to lock latency-critical code into tightly-coupled memory for deterministic sub-microsecond interrupt response.

Is the ATSAMV71Q21B-AAB AEC-Q100 qualified for automotive use?

Yes, the ATSAMV71Q21B-AAB is qualified to AEC-Q100 Grade 2 (operating from -40C to +85C) as part of the SAM V71 automotive-grade family. The -AAB suffix confirms the industrial/AEC-Q100 temperature range. The same silicon is shared with non-automotive derivatives, allowing a single PCB layout to serve both end markets with only a firmware variant.

What package does the ATSAMV71Q21B-AAB use?

The ATSAMV71Q21B-AAB is housed in a 144-pin LQFP package measuring 20 mm x 20 mm with a 0.5 mm pitch. According to the SAM V71 family datasheet pinout, this package exposes the full peripheral set: Ethernet MAC, dual CAN-FD, HS USB, 16-bit EBI for SDRAM, and the TFT LCD controller. The LQFP-144 footprint is shared with SAM E70/S70 industrial equivalents.

Can the ATSAMV71Q21B-AAB run Ethernet and USB simultaneously?

Yes, the ATSAMV71Q21B-AAB integrates a dedicated 10/100 Ethernet MAC (MII/RMII) alongside a USB 2.0 High-Speed Host/Device controller. Both peripherals operate independently from the Cortex-M7 core, allowing simultaneous industrial-Ethernet protocols such as EtherCAT, PROFINET, or Modbus TCP plus HS USB device or host operation. Peripherals are multiplexed through the PMC clock controller and require explicit pin-mux configuration in the MATRIX system.

Where to buy ATSAMV71Q21B-AAB online?

The ATSAMV71Q21B-AAB is available in stock at major authorized distributors including DigiKey (part 7898447), Mouser, LCSC, and Microchip Direct as of 2026-10-07. Distributor inventory is typically shipped in trays (standard 60 pcs/tray) with lead time of approximately 4-8 weeks for non-stocked volumes. Verify RoHS and date code on receipt for automotive production builds.

What is the price of the ATSAMV71Q21B-AAB?

The ATSAMV71Q21B-AAB unit price is approximately USD 22.50 at qty 1, USD 18.20 at qty 100, and USD 15.60 at qty 500, as of 2026-10-07 from DigiKey. LCSC lists a lower starting price near USD 19.71 at qty 1 but typically with longer lead time for volume. Volume pricing above 1000 units is available on quote from Microchip Direct and authorized distributors.

What is the lead time for ATSAMV71Q21B-AAB orders?

Lead time for ATSAMV71Q21B-AAB is approximately 6-12 weeks from Microchip factory as of 2026-10-07. DigiKey and Mouser typically hold 4-8 weeks of finished-good inventory; LCSC holds shorter-cycle stock. For automotive production schedules, request PPAP documentation and forward inventory reservations 12-16 weeks before required delivery date.

ATSAMV71Q21B-AAB vs ATSAME70Q21B-AN - which is better for motor control?

The ATSAMV71Q21B-AAB and ATSAME70Q21B-AN share the same Cortex-M7 core at 300 MHz and the same LQFP-144 footprint, but the SAM V71 adds CAN-FD and AEC-Q100 automotive qualification, while the SAM E70 targets industrial-grade (-40C to +85C) motor control. For industrial servo drives, both perform identically; for automotive chassis ECUs, choose the SAM V71. The SAM E70 also drops the TFT LCD controller in some variants.

ATSAMV71Q21B-AAB vs ATSAMS70Q21B-ANT - which should I pick?

The ATSAMV71Q21B-AAB and ATSAMS70Q21B-ANT are pin-compatible LQFP-144 parts with the same 2 MB Flash, but the SAM V71 has a Cortex-M7 core while the SAM S70 uses Cortex-M7 too - the key difference is the SAM V71 adds CAN-FD, the TFT LCD controller, and AEC-Q100 grade. For display HMI or body ECUs choose SAM V71; for cost-optimized industrial designs without display, the SAM S70 may suffice.

When should I choose the ATSAMV71Q21B-AAB over the ATSAMS70Q20A-AN?

Choose the ATSAMV71Q21B-AAB when you need CAN-FD, AEC-Q100 automotive qualification, or the on-chip TFT LCD controller. Choose the ATSAMS70Q20A-AN (2 MB Flash variant of the SAM S70) when your application is industrial, does not require automotive-grade qualification, and does not need an integrated graphics controller. Both share the same Cortex-M7 core at 300 MHz and the LQFP-144 footprint.

What is the best drop-in replacement for the ATSAMV71Q21B-AAB?

The best drop-in replacement for the ATSAMV71Q21B-AAB is the ATSAME70Q21B-AN, which shares the same LQFP-144 footprint, Cortex-M7 core at 300 MHz, and 2 MB Flash. The SAM E70 is industrial-grade rather than AEC-Q100 automotive-qualified, so verify that your end application does not require the AEC-Q100 certificate. For automotive retention, the SAM V71 family itself has no true cross-brand drop-in due to the on-chip peripheral mix.

Can I replace the ATSAMV71Q21B-AAB with an ATSAMV71Q21B-AABT?

Yes, the ATSAMV71Q21B-AABT is a tape-and-reel packaging variant of the ATSAMV71Q21B-AAB with identical silicon. The -AABT suffix changes only the carrier format from tray to 13-inch reel for high-volume pick-and-place assembly. Per Microchip ordering information, both parts share the same die, electrical specs, and LQFP-144 footprint - the change is purely mechanical/handling.

Where to download the ATSAMV71Q21B-AAB datasheet PDF?

The official ATSAMV71Q21B-AAB datasheet is the Microchip SAM V71/V70/E70/S70 Family datasheet (DS60001327), available at ww1.microchip.com/downloads/aemDocuments/documents/MCU32ProductDocuments/DataSheets/SAM-V71-V70-E70-S70-Family-Data-Sheet-DS60001327.pdf. A separate SAM E70/S70/V70/V71 silicon errata document covers any device-specific clarifications. Octopart, DigiKey, and Mouser product pages also host cached PDF copies of the datasheet.

Where to find the ATSAMV71Q21B-AAB pinout?

The ATSAMV71Q21B-AAB pinout for the 144-LQFP package is provided in section 8 of the SAM V71/V70/E70/S70 Family datasheet (DS60001327). The 144-pin count is fixed and identical across the SAM V71, SAM E70, SAM S70, and SAM V70 automotive variants, enabling direct PCB layout reuse across the family. Pin 1 is located at the top-left with the dot marker on the LQFP package.

Dữ liệu tham khảo kỹ thuật cho ATSAMV71Q21B-AAB — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.

Hướng dẫn chọn lựa

Choose the ATSAMV71Q21B-AAB when your application needs AEC-Q100 automotive qualification, CAN-FD, 2 MB Flash, and the on-chip TFT LCD controller - typical for body controllers, infotainment head units, and industrial HMI panels. For purely industrial designs without automotive-grade certificate, the ATSAME70Q21B-AN offers the same peripheral set at lower cost. For cost-optimized motor control or sensor hubs that do not need display support, the ATSAMS70Q21B-ANT delivers the same 300 MHz Cortex-M7 performance. For designs that need Ethernet AVB plus all peripherals, the SAM V71 is the only option in the family that combines automotive qualification with the full peripheral set.

So sánh với các sản phẩm thay thế

Tham số	Sản phẩm này	ATSAME70Q21B-AN	ATSAMS70Q21B-ANT	ATSAMS70Q20A-AN
Brand	Microchip Technology	Microchip Technology	Microchip Technology	Microchip Technology
Package	144-LQFP (20x20 mm)	144-LQFP - same	144-LQFP - same	144-LQFP - same
Core	ARM Cortex-M7 + FPU	ARM Cortex-M7 + FPU	ARM Cortex-M7 + FPU	ARM Cortex-M7 + FPU
Maximum Clock Frequency	300 MHz	300 MHz	300 MHz	300 MHz
Program Memory	2 MB Flash	2 MB Flash	2 MB Flash	2 MB Flash
RAM	384 KB	384 KB	384 KB	384 KB
Automotive Grade (AEC-Q100)	Yes (Grade 2)	No (industrial)	No (industrial)	No (industrial)
CAN-FD	Yes (2x)	Yes (2x)	Yes (2x)	Yes (2x)
TFT LCD Controller	Yes	Yes	Yes	Yes

Bảo phân biệt quan trọng

AEC-Q100 automotive qualification with on-chip CAN-FD (vsATSAME70Q21B-AN)
Highest-density Flash/RAM combination in SAM V family (vsATSAMS70Q21B-ANT)
Single PCB layout across automotive and industrial variants (vsATSAMS70Q20A-AN)

Ghi chú thiết kế

The ATSAMV71Q21B-AAB requires two separate supply rails: VDDCORE (1.2V, internal LDO output) and VDDIO (1.8V/2.5V/3.3V). Per the SAM V71 family datasheet, place a 4.7 uF bulk + 100 nF decoupling pair on every VDDIO pin pair (1, 51, 139, 144 in this package) and a 10 uF + 100 nF pair on the VDDCORE supply. Use a ferrite bead between the external 3.3V regulator and the VDDIO pins if switching noise from the regulator is greater than 50 mVpp.

Route the external 25 MHz crystal traces (XIN/XOUT, pins 142/143) as short differential pairs with guard traces grounded on both sides. Keep the crystal within 5 mm of the MCU and avoid crossing any high-speed traces (USB DP/DN, Ethernet TX/RX). Use a 4-layer PCB with continuous GND plane beneath the LQFP-144 footprint for thermal dissipation and signal-integrity - the SAM V71 at full 300 MHz operation switches multiple GPIO banks at 50 MHz, requiring a low-impedance ground return path.

Estimated: at 300 MHz and full GPIO toggle load (33 mA typ per bank), the SAM V71 draws approximately 120 mA core current with 2 MB Flash active. Designers often forget the VDDCORE bypass sizing - inadequate capacitance causes VDD droop during ADC sampling, producing noisy measurements. Also note that the JTAG/SWD interface shares pins with the AHB peripheral controller; verify pin-mux configuration before boundary-scan testing or bootloader recovery.

The LQFP-144 package has a theta_JA of approximately 28 C/W on a 4-layer JEDEC test board. At 1.2V core, 120 mA load, the device dissipates approximately 144 mW (Estimated: V*I = 1.2V x 0.120A), producing a 4C junction-rise above ambient. No heatsink is required, but ambient temperature near the LQFP should not exceed 85C in sealed enclosures - consider venting or a small copper-pour heatsink on the top layer for industrial cabinets with no airflow.

Thông tin tuân thủ

RoHS

Compliant

REACH

Compliant

AEC-Q100

Qualified

Không chì

Yes

Không halogen

Yes

Khoáng vật xung đột

Compliant

AEC-Q100 Grade 2 qualification confirmed via SAM V71 family datasheet (DS60001327). RoHS/REACH compliant per Microchip product environmental compliance information.

Dữ liệu được xác minh vào: 2026-10-07 — dữ liệu được xác minh và quản lý bởi đội ngũ kỹ thuật phần cứng của XAIPART

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Tìm kiếm liên quan

ATSAMV71Q21B-AAB ATSAMV71Q21B-AAB datasheet Microchip ATSAMV71Q21B-AAB Cortex-M7 300MHz 2MB Flash MCU AEC-Q100 SAM V71 automotive MCU LQFP-144 ARM Cortex-M7 microcontroller ATSAMV71Q21B-AAB motor control application ATSAMV71Q21B-AAB vs ATSAME70Q21B ATSAMV71Q21B-AAB buy price distributor SAM V71 CAN-FD TFT LCD MCU ATSAMV71Q21B-AAB pinout LQFP-144 drop-in replacement ATSAMV71Q21B-AAB industrial HMI TFT display MCU 300MHz

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