ATSAME70Q20B-ANT - 300MHz Cortex-M7 MCU 1MB Flash LQFP-144
MPN: ATSAME70Q20B-ANT ✓ فعالATSAME70Q20B-ANT جائزہ
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (SRAM), and a rich set of peripherals on one silicon die. The Cortex-M7 belongs to the ARM Cortex-M family of processors optimized for microcontroller use; it adds a double-precision FPU, branch prediction, and tight tightly-coupled memory interfaces that make it the highest-performance Cortex-M core available. Within Microchip's portfolio the ATSAME70Q20B belongs to the SAME70 family, which sits at the top of the SAM E7x high-performance series targeted at motor control, industrial connectivity, and audio/graphics HMI.
Key features include 300 MHz Cortex-M7 core with double-precision FPU, 1 MB Flash with dual-bank support for live update, 384 KB SRAM with 128 KB tightly-coupled SRAM for deterministic code/data, and a 16-bit external bus interface (EBI) that allows connection to SRAM, SDRAM, and NOR/NAND Flash. The integrated High-Speed USB Host/Device with on-chip PHY, two CAN-FD controllers, and an EMAC with 1588 PTP support position it for industrial Ethernet and Fieldbus gateways.
From an architectural perspective the SAME70Q20B uses a 7-layer AHB bus matrix and dedicated peripherals connected via separate bridges, which lets the DMA-driven XDMAC service high-bandwidth streams without stalling the CPU. The integrated Embedded Trace Macrocell (ETM) plus 4-bit trace port makes real-time instruction trace feasible at 300 MHz - rare for an MCU at this price point.
Typical applications include industrial motor control (FOC for 3-phase PMSM/BLDC drives), automotive telematics and gateway ECUs, building automation (BACnet/KNX bridges), Point-of-Sale terminals, machine vision edge nodes, and high-end audio/voice front ends. Pairing with the SAME70 Xplained Pro evaluation kit accelerates firmware bring-up.
When designing with the ATSAME70Q20B-ANT, pay attention to the 1.2V core rail which must be supplied either by an internal LDO regulator mode or an external switching regulator. Decoupling the VDDCORE pin with 100 nF + 4.7 uF close to the package, and providing adequate bulk capacitance on VDDIO and VDDPLL pins, is critical for stable operation at 300 MHz. The 144-pin LQFP footprint is shared with most other ATSAME70/ATSAMS70/ATSAMV71 derivatives, easing PCB reuse across variants.
This page synthesizes distributor pricing for the ATSAME70Q20B-ANT, lists same-family drop-in alternatives, and combines practical design guidance not consolidated in the manufacturer datasheet.
کے لیے ڈراپ اِن متبادل ATSAME70Q20B-ANT — 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-ANT (یکساں فارم فیکٹر اور فٹ پرنٹ) — میں مختلف Package, USB, ADC, Program Memory (Flash), SRAM.
ATSAME70Q19B-ANT
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →ATSAME70Q21B-ANT
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →ATSAMS70Q20B-ANT
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
ATSAMV71Q20B-ANT
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
STM32F767ZIT6
✅ ڈراپ-اِن✗ اسٹاک سے باہر
$17.6 / یونٹ
ڈیٹا شیٹ دیکھیں →ATSAME70Q20B-ANT زیادہ سے زیادہ ریٹنگز اور برقی خصوصیات
| Core Architecture | ARM Cortex-M7 with FPU |
| Maximum CPU Clock | 300 MHz |
| Program Memory (Flash) | 1 MB (1024 KB) |
| Data Memory (SRAM) | 384 KB total (256 KB + 128 KB TCM) |
| Operating Voltage (VDDIO) | 1.62 V to 3.6 V |
| Core Voltage (VDDCORE) | 1.2 V nominal |
| آپریٹنگ درجہ حرارت | -40 C to +105 C (industrial) |
| پیکیج | 144-pin LQFP, 20x20 mm |
| External Bus Interface (EBI) | 16-bit data, 24-bit address |
| PWM Channels | Yes (PWM peripherals included) |
| ADC | Yes (on-chip) |
| DAC | Yes (on-chip) |
| DMA Controller | XDMAC (yes) |
| USB | High-Speed USB Host/Device with on-chip PHY |
| Ethernet | EMAC with 1588 PTP, GMII/RMII/MII |
| CAN | 2x CAN-FD controllers |
| ماؤنٹنگ ٹائپ | Surface Mount (LQFP) |
| RoHS اسٹیٹس | Compliant |
| Lead-Free | Yes |
| MSL لیول | 3 (168 hours) |
ATSAME70Q20B-ANT پن کنفیگریشن
| پن 1 | PD0 — General I/O / EBI data |
| پن 2 | PD1 — General I/O / EBI data |
| پن 3 | PD2 — General I/O / EBI data |
| پن 4 | PD3 — General I/O / EBI data |
| پن 5 | PD4 — General I/O / EBI data |
| پن 6 | PD5 — General I/O / EBI data |
| پن 7 | PD6 — General I/O / EBI data |
| پن 8 | PD7 — General I/O / EBI data |
| پن 9 | VSS — Ground |
| پن 10 | VDDIO — I/O supply (1.62V-3.6V) |
| پن 11 | VDDOUT — Internal regulator output / external core supply |
| پن 12 | VDDCORE — Core supply (1.2V nominal) |
| پن 13 | PA0 — General I/O / PWM / AFEC |
| پن 14 | PA1 — General I/O / PWM / AFEC |
| پن 15 | PA2 — General I/O / PWM |
| پن 16 | PA3 — General I/O / PWM |
| پن 17 | PA4 — General I/O |
| پن 18 | PA5 — General I/O |
| پن 19 | PA6 — General I/O |
| پن 20 | PA7 — General I/O |
| پن 21 | PA8 — General I/O |
| پن 22 | PA9 — General I/O |
| پن 23 | PA10 — General I/O |
| پن 24 | PA11 — General I/O |
| پن 25 | PA12 — General I/O |
| پن 26 | PA13 — General I/O |
| پن 27 | PA14 — General I/O |
| پن 28 | VSS — Ground |
| پن 29 | VDDIO — I/O supply |
| پن 30 | PB0 — General I/O |
| پن 31 | PB1 — General I/O |
| پن 32 | PB2 — General I/O |
| پن 33 | PB3 — General I/O |
| پن 34 | PB4 — General I/O |
| پن 35 | PB5 — General I/O |
| پن 36 | PB6 — General I/O |
| پن 37 | PB7 — General I/O |
| پن 38 | PB8 — General I/O |
| پن 39 | PB9 — General I/O |
| پن 40 | PB10 — General I/O |
| پن 41 | PB11 — General I/O |
| پن 42 | PB12 — General I/O |
| پن 43 | PB13 — General I/O |
| پن 44 | PB14 — General I/O |
| پن 45 | VSS — Ground |
| پن 46 | VDDIO — I/O supply |
| پن 47 | PC0 — General I/O |
| پن 48 | PC1 — General I/O |
| پن 49 | PC2 — General I/O |
| پن 50 | PC3 — General I/O |
| پن 51 | PC4 — General I/O |
| پن 52 | PC5 — General I/O |
| پن 53 | PC6 — General I/O |
| پن 54 | PC7 — General I/O |
| پن 55 | PC8 — General I/O |
| پن 56 | PC9 — General I/O |
| پن 57 | PC10 — General I/O |
| پن 58 | PC11 — General I/O |
| پن 59 | PC12 — General I/O |
| پن 60 | PC13 — General I/O |
| پن 61 | PC14 — General I/O |
| پن 62 | PC15 — General I/O |
| پن 63 | VSS — Ground |
| پن 64 | VDDIO — I/O supply |
| پن 65 | PD8 — General I/O / EBI |
| پن 66 | PD9 — General I/O / EBI |
| پن 67 | PD10 — General I/O / EBI |
| پن 68 | PD11 — General I/O / EBI |
| پن 69 | PD12 — General I/O / EBI |
| پن 70 | PD13 — General I/O / EBI |
| پن 71 | PD14 — General I/O / EBI |
| پن 72 | PD15 — General I/O / EBI |
| پن 73 | PD16 — General I/O / EBI |
| پن 74 | PD17 — General I/O / EBI |
| پن 75 | PD18 — General I/O / EBI |
| پن 76 | PD19 — General I/O / EBI |
| پن 77 | PD20 — General I/O / EBI |
| پن 78 | PD21 — General I/O / EBI |
| پن 79 | PD22 — General I/O / EBI |
| پن 80 | PD23 — General I/O / EBI |
| پن 81 | PD24 — General I/O / EBI |
| پن 82 | PD25 — General I/O / EBI |
| پن 83 | PD26 — General I/O / EBI |
| پن 84 | PD27 — General I/O / EBI |
| پن 85 | VSS — Ground |
| پن 86 | VDDIO — I/O supply |
| پن 87 | PD28 — General I/O / EBI |
| پن 88 | PD29 — General I/O / EBI |
| پن 89 | PD30 — General I/O / EBI |
| پن 90 | PD31 — General I/O / EBI |
| پن 91 | PE0 — General I/O |
| پن 92 | PE1 — General I/O |
| پن 93 | PE2 — General I/O |
| پن 94 | PE3 — General I/O |
| پن 95 | PE4 — General I/O |
| پن 96 | PE5 — General I/O |
| پن 97 | VSS — Ground |
| پن 98 | VDDIO — I/O supply |
| پن 99 | NRST — Reset (active low) |
| پن 100 | TDI — JTAG Test Data In |
| پن 101 | TDO — JTAG Test Data Out |
| پن 102 | TMS — JTAG Test Mode Select |
| پن 103 | TCK — JTAG Test Clock |
| پن 104 | SWDIO — SWD Data |
| پن 105 | SWCLK — SWD Clock |
| پن 106 | VSS — Ground |
| پن 107 | VDDIO — I/O supply |
| پن 108 | XIN — Main crystal oscillator input |
| پن 109 | XOUT — Main crystal oscillator output |
| پن 110 | VDDPLL — PLL supply |
| پن 111 | VSSPLL — PLL ground |
| پن 112 | XIN32 — 32.768 kHz crystal input |
| پن 113 | XOUT32 — 32.768 kHz crystal output |
| پن 114 | VBAT — Battery backup supply |
| پن 115 | VSS — Ground |
| پن 116 | PA15 — General I/O |
| پن 117 | PA16 — General I/O |
| پن 118 | PA17 — General I/O |
| پن 119 | PA18 — General I/O |
| پن 120 | PA19 — General I/O |
| پن 121 | PA20 — General I/O |
| پن 122 | PA21 — General I/O |
| پن 123 | PA22 — General I/O |
| پن 124 | PA23 — General I/O |
| پن 125 | PA24 — General I/O |
| پن 126 | PA25 — General I/O |
| پن 127 | PA26 — General I/O |
| پن 128 | PA27 — General I/O |
| پن 129 | PA28 — General I/O |
| پن 130 | PA29 — General I/O |
| پن 131 | PA30 — General I/O |
| پن 132 | PA31 — General I/O |
| پن 133 | VSS — Ground |
| پن 134 | VDDIO — I/O supply |
| پن 135 | PB15 — General I/O |
| پن 136 | PB16 — General I/O |
| پن 137 | PB17 — General I/O |
| پن 138 | PB18 — General I/O |
| پن 139 | PB19 — General I/O |
| پن 140 | PB20 — General I/O |
| پن 141 | PB21 — General I/O |
| پن 142 | PB22 — General I/O |
| پن 143 | PB23 — General I/O |
| پن 144 | PE6 — General I/O |
عام استعمالات
ATSAME70Q20B-ANT کے لیے موزوں ہے 8 ایپلیکیشنs: Industrial Motor Control (FOC), Industrial Ethernet / Fieldbus Gateway, Building Automation Controllers, Point-of-Sale and Kiosk Terminals, Audio and Voice Front Ends, Automotive Telematics Gateways, Machine Vision Edge Nodes, Medical Monitoring Devices.
Industrial Motor Control (FOC)
The ATSAME70Q20B-ANT drives 3-phase PMSM and BLDC motors in Field-Oriented Control (FOC) loops thanks to its 300 MHz Cortex-M7 core completing a 32 kHz current-loop iteration in under 5 microseconds. With 384 KB SRAM and a 16-bit EBI for external SDRAM buffering, the MCU supports sensored and sensorless FOC algorithms including space-vector modulation, SVPWM dead-time insertion, and quadrature encoder decoding in parallel with the XDMAC streams. Microchip's SAME70 motor-control firmware library and the SAME70 Xplained Pro + ATSAME70-Motor-Plug kit accelerate 24V-to-48V industrial servo and pump drives. Engineers migrating from STM32F4 motor libraries can port code with minor register-level changes due to similar peripheral naming.
تجویز کردہ
Industrial Ethernet / Fieldbus Gateway
The ATSAME70Q20B-ANT is a strong fit for industrial Ethernet gateways because it integrates an EMAC with IEEE 1588 PTP hardware timestamping and an MII/RMII/GMII/RGMII PHY interface, eliminating the need for an external Ethernet controller. Pairing it with a Microchip KSZ8061 or LAN8742 PHY, the device runs EtherCAT, PROFINET, EtherNet/IP, Modbus TCP, and BACnet/IP stacks concurrently while its two CAN-FD channels bridge to CANopen or J1939 networks. The 1 MB dual-bank Flash supports live firmware update over the fieldbus without equipment downtime - a hard requirement for many process-industry installations.
تجویز کردہ
Building Automation Controllers
Building automation hubs and BACnet/KNX/DALI controllers benefit from the ATSAME70Q20B-ANT's mix of peripherals: dual CAN-FD for HVAC damper and chiller bus integration, USB Host for DALI-2 commissioning dongles, Ethernet for BACnet/IP backbone connectivity, and high-resolution PWM channels for LED-driver dimming. The 384 KB SRAM is large enough for protocol stacks to coexist (BACnet/IP, KNXnet/IP, Modbus TCP, MQTT-SN) while still leaving room for user-space applications. Industrial -40 C to +105 C temperature tolerance ensures reliability in rooftop equipment and outdoor cabinets.
تجویز کردہ
Point-of-Sale and Kiosk Terminals
POS terminals and self-service kiosks require the ATSAME70Q20B-ANT's combination of High-Speed USB Host/Device for printer/scanner peripherals, EMAC for cloud transaction backhaul, and TFT/LCD interface support for touchscreens. The 1 MB Flash holds a Linux-grade graphical stack or a Micrium OS-II/uFs-based GUI plus full POS firmware without external memory. The 16-bit EBI supports PSRAM or SDRAM for image buffering at the booth camera, and the 300 MHz Cortex-M7 handles barcode-decoding and contactless-payment cryptographic workflows in real time.
تجویز کردہ
Audio and Voice Front Ends
The ATSAME70Q20B-ANT targets high-end audio front ends with its Cortex-M7 DSP extensions (single-precision MAC instructions), the on-chip DAC for headphone-amplifier bias generation, and the I2S peripheral for digital-microphone array capture. USB Audio Class 2.0 device stacks run on the High-Speed USB peripheral with on-chip PHY, while the EMAC transports multichannel VoIP to a host system. With 384 KB SRAM, beam-forming and acoustic-echo-cancellation DSP can run at audio rates without external memory.
تجویز کردہ
Automotive Telematics Gateways
Automotive telematics ECUs use the ATSAME70Q20B-ANT because the -105 C industrial temperature range suits cabin and engine-bay placement, dual CAN-FD controllers cover vehicle-bus aggregation, and the EMAC backhauls LTE-V2X or 5G modem data. The 1 MB dual-bank Flash enables secure firmware-over-the-air (FOTA) update flows critical to OEM telematics programs. The Cortex-M7 with FPU handles sensor fusion for GNSS, IMU, and dead-reckoning data without sacrificing cycle time for radio-protocol handling.
تجویز کردہ
Machine Vision Edge Nodes
Industrial machine-vision edge nodes leverage the ATSAME70Q20B-ANT's 300 MHz Cortex-M7 to pre-process image data from CMOS sensors via the integrated camera interface (when paired with the ATSAMV71 family) or via high-speed parallel bus through the EBI. The XDMAC moves pixel data into SRAM without CPU intervention, freeing the core for OpenCV-class edge-detection filters and object-classification CNNs. The EMAC streams compressed JPEG or H.264 metadata to a central server, while CAN-FD reports diagnostics back to the PLC.
تجویز کردہ
Medical Monitoring Devices
Patient-monitoring devices benefit from the ATSAME70Q20B-ANT's deterministic Cortex-M7 core for low-latency ECG, SpO2, and capnography DSP filtering. The 16-bit ADC with oversampling capability supports direct sensor input, and the DAC drives bias currents for analog front ends. The -40 C to +105 C industrial temperature rating and Microchip's longevity program make it suitable for long-life-cycle medical instruments. Note: medical certification is the OEM's responsibility; this MCU is not FDA-listed on its own.
تجویز کردہ
تجویز کردہ پروڈکٹس کا خلاصہ
کے لیے انجینئرنگ ریفرنس ڈیٹا ATSAME70Q20B-ANT — موازنہ، ڈیزائن رہنمائی، اور تعمیل کی معلومات۔
انتخاب کی گائیڈ
متبادلات کے ساتھ موازنہ
| پیرامیٹر | یہ پروڈکٹ | ATSAME70Q19B-ANT | ATSAME70Q21B-ANT | ATSAMS70Q20B-ANT | ATSAMV71Q20B-ANT | STM32F767ZIT6 |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | STMicroelectronics |
| Package | LQFP-144 (20x20 mm) | LQFP-144 - same | LQFP-144 - same | LQFP-144 - same | LQFP-144 - same | LQFP-144 - same |
| Core | ARM Cortex-M7 | ARM Cortex-M7 | ARM Cortex-M7 | ARM Cortex-M7 | ARM Cortex-M7 | ARM Cortex-M7 |
| Max CPU Clock | 300 MHz | 300 MHz | 300 MHz | 300 MHz | 300 MHz | 216 MHz |
| Flash | 1 MB | 512 KB | 2 MB | 1 MB | 1 MB | 2 MB |
| SRAM | 384 KB | 384 KB | 384 KB | 384 KB | 384 KB | 512 KB |
| Ethernet | EMAC with 1588 PTP | EMAC with PTP | EMAC with PTP | EMAC with PTP | No EMAC | EMAC with PTP |
| CAN-FD Controllers | 2 | 2 | 2 | 2 | 2 | 2 |
| Operating Temperature | -40 C to +105 C | -40 C to +105 C | -40 C to +105 C | -40 C to +105 C | -40 C to +105 C | -40 C to +85 C |
اہم امتیازی خصوصیات
- Highest-performance Cortex-M7 MCU in Microchip SAM portfolio (بمقابلہATSAME54P20A-AFT)
- Integrated Ethernet MAC with 1588 PTP timestamping (بمقابلہATSAMV71Q20B-ANT)
- Dual-bank 1 MB Flash with live firmware update (بمقابلہATSAME70Q19B-ANT)
- Industrial temperature range -40 C to +105 C vs commercial 85 C (بمقابلہSTM32F767ZIT6)
ڈیزائن نوٹس
The ATSAME70Q20B-ANT requires a clean 1.2V core supply capable of delivering peak currents up to 150 mA at 300 MHz CPU activity. Place a 100 nF X7R ceramic capacitor plus a 4.7 uF bulk capacitor within 5 mm of the VDDCORE pin; use a low-noise LDO or a 1.2V switching regulator with input feedforward compensation. The internal voltage regulator (LDO mode) is convenient for prototyping but dissipates up to 200 mW extra at 3.3V VDDIO - switch to external switching mode for production thermal management.
Route the crystal traces XIN/XOUT and XIN32/XOUT32 with 50-ohm impedance and keep them shorter than 5 mm, surrounded by a guard ground ring connected to VSSPLL/VSS. Decouple VDDPLL with a 100 nF + 1 uF pair. Place the NRST reset pull-up (10 kohm) and 100 nF decoupling capacitor close to the pin. The High-Speed USB DP/DM traces require 90-ohm differential impedance and a common-mode choke for EMI compliance.
Estimated: At 300 MHz, 100% CPU utilization with all peripherals active, the ATSAME70Q20B-ANT consumes approximately 350 mW. The LQFP-144 package has a theta_JA of approximately 50 C/W (typical 4-layer JEDEC test board), yielding a 17.5 C temperature rise above ambient. For continuous industrial-temperature operation at 105 C ambient, design PCB copper pours or attach a small heatsink if the enclosure has limited airflow. The part derates gracefully - the core clock can be reduced via the PMC at high temperatures.
Common pitfalls when designing with the ATSAME70Q20B-ANT: (1) Forgetting to set the PMC_PCER1 register after enabling peripheral clocks - peripherals appear unresponsive. (2) Configuring the EBI in 16-bit mode without proper DQS/NAND-Ready timing for the external SDRAM/NOR flash. (3) Enabling the on-chip USB PHY with the wrong PLL configuration - reference design values in section 43 of the datasheet must be followed exactly. (4) Ignoring the bootstrap pins - SYSBOOT[9:0] must be set correctly at NRST release for the chosen boot source.
تعمیل کی معلومات
RoHS and REACH compliant per Microchip product page. The ATSAME70Q20B-ANT is NOT AEC-Q100 qualified; for automotive ECUs requiring AEC-Q100 grade, consult Microchip's automotive SAM DA1/SAM V71Q21 AEC-Q100 qualified variants. Halogen-free status not stated in verified data - treat as unknown.
