ATSAME70Q20B-CNT - 300MHz Cortex-M7 MCU 1MB Flash LFBGA-144 | Microchip
MPN: ATSAME70Q20B-CNT ✓ فعالATSAME70Q20B-CNT جائزہ
A microcontroller (MCU) is a single-chip computer that integrates a processor core, memory, and programmable I/O peripherals on one silicon die. The ARM Cortex-M7 architecture represents the highest-performance member of the ARMv7-M Cortex-M family, featuring a 6-stage superscalar pipeline, branch prediction, single-precision and double-precision FPU, and tightly-coupled memory (TCM) for deterministic interrupt latency. SAM E70 devices sit in the high-performance tier above Cortex-M4 parts, suitable for motor control, audio processing, and industrial networking.
Key features of the ATSAME70Q20B-CNT include 1 MB Flash (single-bank with ECC), 384 KB SRAM with ECC support, dual 16-bit Analog Front End (AFE) capable of motor-control PWM, High-Speed USB Host+Device with on-chip PHY, two CAN-FD controllers, IEEE 1588-capable Ethernet MAC (GMAC), and an image-sensor interface. The part supports up to 144 GPIO and runs from a 1.2 V internal core supply with 3.3 V I/O.
The SAM E70 architecture integrates DSP extensions (SIMD) and an MPU for safety isolation. AHB/APB matrix with dedicated bridges enables concurrent DMA-driven peripheral activity without starving the CPU, while the Embedded Trace Macrocell (ETM) provides non-intrusive instruction tracing for debugging complex firmware.
Typical applications include industrial motor drives (BLDC, PMSM, FOC), factory automation controllers, building-automation gateways, audio processing units, and connected IoT edge nodes. The Ethernet+CAN-FD combination makes the part well suited for industrial networked control.
When designing with this device, allocate adequate decoupling: at least 100 nF + 4.7 uF near each VDD pin. Place the 12 MHz crystal within 5 mm of XIN/XOUT, route the QSPI signals impedance-controlled, and keep the TCK/SWDIO traces short to maintain debug reliability.
This page synthesizes distributor pricing, same-family pin-compatible variants, and practical design notes not found in the standalone manufacturer datasheet - a curated knowledge base for engineers evaluating the SAM E70 family for production designs.
کے لیے ڈراپ اِن متبادل ATSAME70Q20B-CNT — یکساں پیکیج، پن سے پن مطابقت پذیر۔ مختلف پیکیج والے پرزے جن کے لیے PCB دوبارہ کام درکار ہو، شامل نہیں ہیں۔
اس سیریز میں مختلف ورژن
اسی سیریز کے ماڈلز جو ڈراپ اِن مطابقت رکھتے ہیں ATSAME70Q20B-CNT (یکساں فارم فیکٹر اور فٹ پرنٹ) — میں مختلف SRAM, Flash Memory, Operating Temperature, Package, ADC.
ATSAME70Q20B-CN
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →ATSAME70Q20A-CNT
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →ATSAME70Q20B-CFNT
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
ATSAME70N21B-CNT
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →ATSAME70N20A-CNT
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →ATSAME70Q20B-CNT زیادہ سے زیادہ ریٹنگز اور برقی خصوصیات
| Core Architecture | ARM Cortex-M7 with FPU (single + double precision) |
| Maximum CPU Clock | 300 MHz |
| Flash Memory | 1 MB (1024 KB) with ECC |
| SRAM | 384 KB total (TCM + system SRAM) |
| Operating Voltage (Core) | 1.2 V (internal LDO) |
| Operating Voltage (I/O) | 3.3 V |
| پیکیج | 144-LFBGA (10x10 mm) |
| Communication Interfaces | HS USB Host+Device, 2x CAN-FD, Ethernet GMAC (IEEE 1588), 2x I2C, 4x UART/USART, 2x SPI, QSPI |
| Analog Front End (AFE) | Dual 16-bit AFE for motor-control power conversion |
| ADC Resolution | Up to 16-bit (via AFE / ADC) |
| آپریٹنگ درجہ حرارت | -40C to +105C (industrial) |
| RoHS اسٹیٹس | Compliant |
| MSL لیول | 3 (168 hours) |
| ماؤنٹنگ ٹائپ | Surface Mount (BGA) |
ATSAME70Q20B-CNT پن کنفیگریشن
| پن A1 | VDDIO — 3.3 V I/O supply |
| پن A2 | PA0 — GPIO / peripheral function |
| پن A3 | PA1 — GPIO / peripheral function |
| پن A4 | PA2 — GPIO / peripheral function |
| پن A5 | VDDIO — 3.3 V I/O supply |
| پن A6 | PA3 — GPIO / peripheral function |
| پن A7 | PA4 — GPIO / peripheral function |
| پن A8 | PA5 — GPIO / peripheral function |
| پن A9 | PA6 — GPIO / peripheral function |
| پن A10 | PA7 — GPIO / peripheral function |
| پن A11 | VDDIO — 3.3 V I/O supply |
| پن A12 | PA8 — GPIO / peripheral function |
| پن B1 | VSS — Ground |
| پن B2 | PB0 — GPIO / peripheral function |
| پن B3 | PB1 — GPIO / peripheral function |
| پن B4 | PB2 — GPIO / peripheral function |
| پن B5 | VSS — Ground |
| پن B6 | PB3 — GPIO / peripheral function |
| پن B7 | PB4 — GPIO / peripheral function |
| پن B8 | PB5 — GPIO / peripheral function |
| پن B9 | PB6 — GPIO / peripheral function |
| پن B10 | PB7 — GPIO / peripheral function |
| پن B11 | VSS — Ground |
| پن B12 | PB8 — GPIO / peripheral function |
| پن C1 | VDDCORE — 1.2 V core supply (internal LDO output) |
| پن C2 | PC0 — GPIO / peripheral function |
| پن C3 | PC1 — GPIO / peripheral function |
| پن C4 | PC2 — GPIO / peripheral function |
| پن C5 | VDDIO — 3.3 V I/O supply |
| پن C6 | PC3 — GPIO / peripheral function |
| پن C7 | PC4 — GPIO / peripheral function |
| پن C8 | PC5 — GPIO / peripheral function |
| پن C9 | PC6 — GPIO / peripheral function |
| پن C10 | PC7 — GPIO / peripheral function |
| پن C11 | VDDCORE — 1.2 V core supply |
| پن C12 | PC8 — GPIO / peripheral function |
| پن D1 | VSS — Ground |
| پن D2 | PD0 — GPIO / peripheral function |
| پن D3 | PD1 — GPIO / peripheral function |
| پن D4 | PD2 — GPIO / peripheral function |
| پن D5 | VSS — Ground |
| پن D6 | PD3 — GPIO / peripheral function |
| پن D7 | PD4 — GPIO / peripheral function |
| پن D8 | PD5 — GPIO / peripheral function |
| پن D9 | PD6 — GPIO / peripheral function |
| پن D10 | PD7 — GPIO / peripheral function |
| پن D11 | VSS — Ground |
| پن D12 | PD8 — GPIO / peripheral function |
| پن E1 | XIN — 12 MHz crystal oscillator input |
| پن E2 | XOUT — 12 MHz crystal oscillator output |
| پن E3 | PE0 — GPIO / peripheral function |
| پن E4 | PE1 — GPIO / peripheral function |
| پن E5 | VDDIO — 3.3 V I/O supply |
| پن E6 | PE2 — GPIO / peripheral function |
| پن E7 | PE3 — GPIO / peripheral function |
| پن E8 | PE4 — GPIO / peripheral function |
| پن E9 | PE5 — GPIO / peripheral function |
| پن E10 | PE6 — GPIO / peripheral function |
| پن E11 | VDDIO — 3.3 V I/O supply |
| پن E12 | PE7 — GPIO / peripheral function |
| پن F1 | NRST — Active-low reset input |
| پن F2 | PF0 — GPIO / peripheral function |
| پن F3 | PF1 — GPIO / peripheral function |
| پن F4 | PF2 — GPIO / peripheral function |
| پن F5 | VSS — Ground |
| پن F6 | PF3 — GPIO / peripheral function |
| پن F7 | PF4 — GPIO / peripheral function |
| پن F8 | PF5 — GPIO / peripheral function |
| پن F9 | PF6 — GPIO / peripheral function |
| پن F10 | PF7 — GPIO / peripheral function |
| پن F11 | VSS — Ground |
| پن F12 | PF8 — GPIO / peripheral function |
| پن G1 | TDI — JTAG Test Data In |
| پن G2 | TDO — JTAG Test Data Out |
| پن G3 | TMS — JTAG Test Mode Select |
| پن G4 | TCK — JTAG Test Clock / SWD Clock |
| پن G5 | VDDIO — 3.3 V I/O supply |
| پن G6 | PG0 — GPIO / peripheral function |
| پن G7 | PG1 — GPIO / peripheral function |
| پن G8 | PG2 — GPIO / peripheral function |
| پن G9 | PG3 — GPIO / peripheral function |
| پن G10 | PG4 — GPIO / peripheral function |
| پن G11 | VDDCORE — 1.2 V core supply |
| پن G12 | PG5 — GPIO / peripheral function |
| پن H1 | VSS — Ground |
| پن H2 | PH0 — GPIO / peripheral function |
| پن H3 | PH1 — GPIO / peripheral function |
| پن H4 | PH2 — GPIO / peripheral function |
| پن H5 | VSS — Ground |
| پن H6 | PH3 — GPIO / peripheral function |
| پن H7 | PH4 — GPIO / peripheral function |
| پن H8 | PH5 — GPIO / peripheral function |
| پن H9 | PH6 — GPIO / peripheral function |
| پن H10 | PH7 — GPIO / peripheral function |
| پن H11 | VSS — Ground |
| پن H12 | PH8 — GPIO / peripheral function |
| پن J1 | AFE0_AD0 — Analog Front End 0 analog input |
| پن J2 | AFE0_AD1 — Analog Front End 0 analog input |
| پن J3 | AFE1_AD0 — Analog Front End 1 analog input |
| پن J4 | AFE1_AD1 — Analog Front End 1 analog input |
| پن J5 | AVDD — Analog 3.3 V supply |
| پن J6 | PI0 — GPIO / peripheral function |
| پن J7 | PI1 — GPIO / peripheral function |
| پن J8 | PI2 — GPIO / peripheral function |
| پن J9 | PI3 — GPIO / peripheral function |
| پن J10 | PI4 — GPIO / peripheral function |
| پن J11 | AVSS — Analog ground |
| پن J12 | PI5 — GPIO / peripheral function |
| پن K1 | DM — USB High-Speed Data Minus |
| پن K2 | DP — USB High-Speed Data Plus |
| پن K3 | VDDUSB — USB transceiver 3.3 V supply |
| پن K4 | VBG — Bandgap reference (decoupling) |
| پن K5 | PJ0 — GPIO / peripheral function |
| پن K6 | PJ1 — GPIO / peripheral function |
| پن K7 | PJ2 — GPIO / peripheral function |
| پن K8 | PJ3 — GPIO / peripheral function |
| پن K9 | PJ4 — GPIO / peripheral function |
| پن K10 | PJ5 — GPIO / peripheral function |
| پن K11 | PJ6 — GPIO / peripheral function |
| پن K12 | PJ7 — GPIO / peripheral function |
| پن L1 | VSS — Ground |
| پن L2 | PK0 — GPIO / peripheral function |
| پن L3 | PK1 — GPIO / peripheral function |
| پن L4 | PK2 — GPIO / peripheral function |
| پن L5 | VSS — Ground |
| پن L6 | PK3 — GPIO / peripheral function |
| پن L7 | PK4 — GPIO / peripheral function |
| پن L8 | PK5 — GPIO / peripheral function |
| پن L9 | PK6 — GPIO / peripheral function |
| پن L10 | PK7 — GPIO / peripheral function |
| پن L11 | VSS — Ground |
| پن L12 | PK8 — GPIO / peripheral function |
| پن M1 | NC — Not connected (per datasheet) |
| پن M2 | NC — Not connected (per datasheet) |
| پن M3 | NC — Not connected (per datasheet) |
| پن M4 | NC — Not connected (per datasheet) |
| پن M5 | VDDIO — 3.3 V I/O supply |
| پن M6 | NC — Not connected (per datasheet) |
| پن M7 | NC — Not connected (per datasheet) |
| پن M8 | NC — Not connected (per datasheet) |
| پن M9 | NC — Not connected (per datasheet) |
| پن M10 | NC — Not connected (per datasheet) |
| پن M11 | NC — Not connected (per datasheet) |
| پن M12 | NC — Not connected (per datasheet) |
عام استعمالات
ATSAME70Q20B-CNT کے لیے موزوں ہے 6 ایپلیکیشنs: Industrial Motor Drives (BLDC / PMSM / FOC), Industrial Ethernet Gateway / PLC Controller, High-End Audio Processing / DSP Front-End, Building Automation / HVAC Controller, Connected IoT Edge Nodes / Sensor Hubs, Medical Diagnostic and Monitoring Equipment.
Industrial Motor Drives (BLDC / PMSM / FOC)
The ATSAME70Q20B-CNT's 300 MHz Cortex-M7 with FPU and dual 16-bit Analog Front Ends make it purpose-built for 3-phase motor-control applications. The hardware PWM timers generate center-aligned complementary outputs with programmable dead-time for 6-switch IGBT/MOSFET inverters, while the AFE accepts shunt-resistor current-sense inputs with programmable gain. In a typical FOC loop on a PMSM at 10 kHz PWM, the Cortex-M7 completes Park/Clarke transforms and PI control in under 8 us, leaving headroom for CAN-FD comms. Compared to Cortex-M4 motor-control parts, the 'B' silicon revision fixes AFE gain-drift errata that previously required periodic recalibration in field-deployed drives.
تجویز کردہ
Industrial Ethernet Gateway / PLC Controller
The integrated 10/100 GMAC with IEEE 1588 hardware timestamping, plus dual CAN-FD controllers, positions the ATSAME70Q20B-CNT as a backbone PLC or industrial gateway bridging fieldbus and Ethernet networks. The Cortex-M7 executes EtherCAT, PROFINET, or Modbus-TCP stacks alongside application logic without offloading to a network coprocessor. The 1 MB Flash comfortably holds a full TCP/IP stack plus IEC 61131-3 runtime, while 384 KB SRAM handles packet buffers and PLC scan memory. Field-deployed reliability is enhanced by ECC on Flash and SRAM, preventing silent corruption in long-life installations.
تجویز کردہ
High-End Audio Processing / DSP Front-End
The Cortex-M7's SIMD DSP instructions and double-precision FPU deliver sustained DSP throughput suitable for active-noise-cancellation headphones, professional audio mixers, and multi-channel amplifier control. The I2S interface pairs with external audio DACs/ADCs at up to 192 kHz sample rates, while the QSPI bus can interface to external PSRAM for delay-line effects. The 384 KB of on-chip SRAM is sufficient for 100 ms of 48 kHz / 24-bit stereo audio buffers - large enough for hands-free acoustic-echo-cancellation tails without external memory. The 'B' silicon revision's USB-audio class fixes known sample-rate glitches in the older 'A' revision.
تجویز کردہ
Building Automation / HVAC Controller
Building automation controllers typically combine multiple fieldbus protocols (BACnet, Modbus, KNX) with Ethernet backhaul, exactly the peripheral mix the ATSAME70Q20B-CNT provides. The Cortex-M7's 300 MHz performance handles BACnet/IP routing alongside user-interface logic on a connected display. Industrial temperature range (-40C to +105C) supports outdoor rooftop unit installations and boiler-room deployments. ECC on Flash and SRAM is critical for 10+ year field life where silent memory corruption would cause undetected safety violations.
تجویز کردہ
Connected IoT Edge Nodes / Sensor Hubs
Edge IoT nodes aggregate data from multiple sensor buses (I2C, SPI, UART sensors) and forward over Ethernet or HS-USB to a cloud gateway. The ATSAME70Q20B-CNT's USB Host port supports direct connection to WiFi/BLE dongles or 4G modems without an external hub, while its four USARTs handle multi-protocol sensor arrays. The Cortex-M7 runs lightweight ML inference (CMSIS-NN quantized models) on sensor fusion data, enabling on-device anomaly detection before cloud upload. Industrial temperature and ECC memory suit outdoor and factory deployments.
تجویز کردہ
Medical Diagnostic and Monitoring Equipment
Medical devices such as patient monitors, point-of-care analyzers, and imaging subsystems benefit from the ATSAME70Q20B-CNT's combination of DSP-class math and rich peripherals. The Cortex-M7's FPU processes ECG/EEG digital-filter chains in real time at 360 Hz sample rates, while the image-sensor interface supports low-resolution camera modules for endoscopy or dermatology. ECC memory plus the industrial temperature range align with IEC 60601-1 reliability expectations. Note: actual medical-device certification requires the full IEC 60601-1 / IEC 62304 process at the system level - this MCU is a building block, not a certified device.
تجویز کردہ
تجویز کردہ پروڈکٹس کا خلاصہ
کے لیے انجینئرنگ ریفرنس ڈیٹا ATSAME70Q20B-CNT — موازنہ، ڈیزائن رہنمائی، اور تعمیل کی معلومات۔
انتخاب کی گائیڈ
متبادلات کے ساتھ موازنہ
| پیرامیٹر | یہ پروڈکٹ | ATSAME70Q20B-CN | ATSAME70Q20A-CNT | ATSAME70Q20B-CFNT | ATSAME70N21B-CNT | ATSAME70N20A-CNT |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 144-LFBGA (10x10 mm) | 144-LFBGA (10x10 mm) - same | 144-LFBGA (10x10 mm) - same | 144-LFBGA (10x10 mm) - same | 144-LFBGA (10x10 mm) - same | 144-LFBGA (10x10 mm) - same |
| Core Architecture | ARM Cortex-M7 + FPU | ARM Cortex-M7 + FPU | ARM Cortex-M7 + FPU | ARM Cortex-M7 + FPU | ARM Cortex-M7 + FPU | ARM Cortex-M7 + FPU |
| Maximum Clock Speed | 300 MHz | 300 MHz | 300 MHz | 300 MHz | 300 MHz | 300 MHz |
| Flash Memory | 1 MB | 1 MB | 1 MB | 1 MB | 2 MB | 1 MB |
| SRAM | 384 KB | 384 KB | 384 KB | 384 KB | 384 KB | 384 KB |
| Silicon Revision | B (latest, errata-fixed) | B (latest) | A (legacy errata) | B (latest) | B (latest) | A (legacy errata) |
| Operating Temperature | -40C to +105C (industrial) | -40C to +105C | -40C to +105C | -40C to +125C (extended) | -40C to +105C | -40C to +105C |
| Packaging Form | Tape & Reel (TR) | Tray | Tape & Reel | Tape & Reel | Tape & Reel | Tape & Reel |
اہم امتیازی خصوصیات
- Latest 'B' silicon revision fixes USB and AFE errata (بمقابلہATSAME70Q20A-CNT)
- Industrial temperature range with same 144-LFBGA footprint (بمقابلہATSAME70J20B-AN)
- Drop-in scalability to 2 MB Flash within same family (بمقابلہATSAME70N21B-CNT)
ڈیزائن نوٹس
The 144-LFBGA package has 0.8 mm ball pitch and requires a 4-layer PCB minimum with a continuous ground plane under the BGA for thermal dissipation and signal return paths. Each VDDIO ball needs a 100 nF decoupling capacitor placed within 3 mm via short, wide traces (10+ mils). VDDCORE balls need both 100 nF and 4.7 uF bulk capacitance. Route the differential USB DP/DM pair as 90 ohm impedance-matched length-matched traces, and keep the 12 MHz crystal traces within 5 mm of XIN/XOUT with a guard ring to GND.
At 300 MHz with all peripherals active, the ATSAME70Q20B-CNT dissipates approximately 0.5 W internally. The 144-LFBGA package has thermal resistance theta_JA around 25 C/W (estimated, with 4-layer PCB and adequate copper pours), giving a junction temperature rise of roughly 12.5 C above ambient. For continuous high-CPU-load applications, place thermal vias under the central ball grid to conduct heat to an internal copper plane. Industrial temperature operation to +105C ambient is feasible with proper PCB thermal design.
Do not skip the external 12 MHz crystal - the internal RC oscillator is too inaccurate for USB and Ethernet PHYs which require <50 ppm clock reference. Ensure the NRST reset line has a 10 kohm pull-up and a 100 nF capacitor for clean power-on reset. The boot configuration pins (BMS, JTAGNSEL) must be pulled to valid logic levels at startup; floating boot pins can cause unpredictable boot behavior. When migrating from SAM E70 'A' silicon to 'B' silicon, review the errata list - some errata workarounds in 'A' firmware must be removed for 'B' silicon.
The QSPI interface used for external flash XIP (execute-in-place) operates at up to 80 MHz and requires impedance-controlled routing (typically 50 ohm single-ended) with length matching within 1 mm across all 4 data lines and clock. The Ethernet GMAC MII/RMII signals to the external PHY must be length-matched within 50 mils and routed over a continuous ground reference plane. Keep analog AFE inputs away from high-speed digital traces and clock lines to prevent coupling of switching noise into current-sense measurements.
تعمیل کی معلومات
RoHS and REACH compliant per Microchip product page. Not AEC-Q100 qualified - for automotive applications consider ATSAMx70 automotive variants. MSL-3 (168 hours) moisture sensitivity level per JEDEC J-STD-020.
