ATSAMS70Q20A-AN - 300MHz Cortex-M7 MCU, 1MB Flash | Microchip
MPN: ATSAMS70Q20A-AN ✓ نشطATSAMS70Q20A-AN نظرة عامة
What is a Cortex-M7 microcontroller? A Cortex-M7 MCU is a 32-bit RISC processor from ARM designed for deterministic real-time control with DSP extensions and a hardware single-precision/double-precision FPU. It sits in the hierarchy ARM Cortex-M -> 32-bit MCU -> microcontroller -> embedded processor, and is typically chosen when developers need sub-200ns interrupt latency, SIMD DSP, and large code/RAM footprints for graphical or audio signal chains.
Key features include 16 KB of ICache and 16 KB of DCache, a Multi-Port SRAM architecture, two 12-bit AFEC ADCs up to 1.5 Msps, USB 2.0 High-Speed with on-chip PHY, 10/100 Ethernet MAC with 1588 PTP support, a 2D graphics LCD TFT controller with overlay, a hardware cryptographic accelerator (AES, TRNG), and 8/16-bit external bus interface (EBI) for SDRAM/NAND/NOR expansion. The device also embeds a Floating Point Unit that natively executes single- and double-precision IEEE 754 operations.
The ATSAMS70Q20A-AN employs a Harvard-bus implementation with a tightly-coupled TCM block, deterministic 4-cycle interrupt entry, and a system controller that handles clock, reset, and brown-out supervision. Its peripheral set includes CAN-FD, four I2S ports for audio codec interfacing, an image sensor interface (ISI), a camera interface, and up to 119 GPIOs. Engineering trade-offs include higher dynamic power at 300 MHz than Cortex-M4 parts and a 144-LQFP footprint that requires careful power-plane design.
Typical applications span industrial motor control, industrial HMI / TFT panels, point-of-sale terminals, audio amplification systems, automotive infotainment prototyping, building-automation gateways, and IoT edge nodes that demand on-the-fly TLS handshake acceleration via the integrated crypto engine. The wide 3.0V to 3.6V supply and 1.7V to 3.6V IO tolerance also let it co-exist with 1.8V sensors.
When designing with this MCU, place four 0.1 µF + 1 µF decoupling pairs near the VDDIO/VDDCORE pin groups, route the 12 MHz crystal traces symmetrically, and use a 4-layer backup across IC pin groups to keep the high-speed USB and Ethernet impedance at 90 Ω differential. Provide a 32.768 kHz low-power crystal on the XIN32/XOUT32 pads if RTC wake-from-backup is required.
This page synthesizes distributor pricing, drop-in alternatives sourced from Microchip cross-reference data, and practical design notes not consolidated in the manufacturer datasheet.
بدائل مباشرة لـ ATSAMS70Q20A-AN — نفس الحزمة، متوافق دبوس بدبوس. تُستثنى القطع ذات الحزم المختلفة التي تتطلب تعديل PCB.
الطرازات في هذه السلسلة
طرازات من نفس السلسلة متوافقة تمامًا مع ATSAMS70Q20A-AN (نفس عامل الشكل والبصمة) — يختلف في ADC, Package, Ethernet, Operating Temperature, Core.
ATSAME70Q20A-AN
✅ بديل مباشر📋 بديل مرجعي (غير موجود في الكتالوج)
ATSAMS70Q20A-ANT
✅ بديل مباشر📋 بديل مرجعي (غير موجود في الكتالوج)
ATSAME70Q20A-ANT
✅ بديل مباشر📋 بديل مرجعي (غير موجود في الكتالوج)
ATSAME70Q21B-AN
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←ATSAME70Q21A-CNT
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←ATSAME70N20A-AN
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←ATSAMS70Q20A-AN الحدود القصوى والخصائص الكهربائية
| Core | ARM Cortex-M7 with FPU (single + double precision) |
| أقصى تردد للساعة | 300 MHz |
| Flash Memory | 1 MB (1024 KB) |
| SRAM | 384 KB |
| Instruction Cache (ICache) | 16 KB |
| Data Cache (DCache) | 16 KB |
| Supply Voltage (VDDCORE) | 1.2 V to 1.32 V |
| I/O Supply Voltage (VDDIO) | 1.7 V to 3.6 V |
| العلبة | 144-pin LQFP (20x20 mm, 0.5 mm pitch) |
| GPIO Count | 119 |
| ADC | 2x 12-bit AFEC, up to 1.5 Msps |
| USB | USB 2.0 High-Speed with on-chip PHY |
| Ethernet | 10/100 MAC with IEEE 1588 PTP, GMII/RGMII/MII |
| CAN | 2x CAN-FD |
| درجة حرارة التشغيل | -40C to +105C |
| حالة RoHS | Compliant |
| CoreMark Score | 1500 |
تكوين أطراف ATSAMS70Q20A-AN
| دبوس 1 | VDDIO — I/O supply voltage (3.3 V nominal) |
| دبوس 2 | PA0 — GPIO / AFEC AD0 / PWM0 |
| دبوس 3 | PA1 — GPIO / AFEC AD1 / PWM1 |
| دبوس 4 | PA2 — GPIO / AFEC AD2 |
| دبوس 5 | PA3 — GPIO / AFEC AD3 |
| دبوس 6 | PA4 — GPIO / AFEC AD4 |
| دبوس 7 | PA5 — GPIO / AFEC AD5 |
| دبوس 8 | GND — Common ground |
| دبوس 9 | PA6 — GPIO / AFEC AD6 |
| دبوس 10 | PA7 — GPIO / AFEC AD7 |
| دبوس 11 | PA8 — GPIO / PWM0 |
| دبوس 12 | PA9 — GPIO / URXD0 |
| دبوس 13 | PA10 — GPIO / UTXD0 |
| دبوس 14 | PA11 — GPIO / UDP (USB HS) |
| دبوس 15 | PA12 — GPIO / UDM (USB HS) |
| دبوس 16 | PA13 — GPIO / TWD (I2C0) |
| دبوس 17 | PA14 — GPIO / TWCK (I2C0) |
| دبوس 18 | VDDCORE — Core supply (1.2 V) |
| دبوس 19 | GND — Common ground |
| دبوس 20 | XIN — 12 MHz crystal input |
| دبوس 21 | XOUT — 12 MHz crystal output |
| دبوس 22 | NRST — Reset (active low) |
| دبوس 23 | TMS — JTAG test mode select |
| دبوس 24 | TCK — JTAG test clock |
| دبوس 25 | TDO — JTAG test data out |
| دبوس 26 | TDI — JTAG test data in |
| دبوس 27 | SWDIO — Serial wire debug I/O |
| دبوس 28 | SWCLK — Serial wire clock |
| دبوس 29 | PB0 — GPIO / EBI D0 |
| دبوس 30 | PB1 — GPIO / EBI D1 |
| دبوس 31 | PB2 — GPIO / EBI D2 |
| دبوس 32 | PB3 — GPIO / EBI D3 |
| دبوس 33 | PB4 — GPIO / EBI D4 |
| دبوس 34 | PB5 — GPIO / EBI D5 |
| دبوس 35 | PB6 — GPIO / EBI D6 |
| دبوس 36 | PB7 — GPIO / EBI D7 |
| دبوس 37 | PB8 — GPIO / EBI D8 |
| دبوس 38 | PB9 — GPIO / EBI D9 |
| دبوس 39 | PB10 — GPIO / EBI D10 |
| دبوس 40 | PB11 — GPIO / EBI D11 |
| دبوس 41 | PB12 — GPIO / EBI D12 |
| دبوس 42 | PB13 — GPIO / EBI D13 |
| دبوس 43 | PB14 — GPIO / EBI D14 |
| دبوس 44 | PB15 — GPIO / EBI D15 |
| دبوس 45 | VDDIO — I/O supply voltage |
| دبوس 46 | GND — Common ground |
| دبوس 47 | PC0 — GPIO / EBI A0 / NCS0 |
| دبوس 48 | PC1 — GPIO / EBI A1 / NCS1 |
| دبوس 49 | PC2 — GPIO / EBI A2 / NCS2 |
| دبوس 50 | PC3 — GPIO / EBI A3 / NCS3 |
| دبوس 51 | PC4 — GPIO / EBI A4 |
| دبوس 52 | PC5 — GPIO / EBI A5 |
| دبوس 53 | PC6 — GPIO / EBI A6 |
| دبوس 54 | PC7 — GPIO / EBI A7 |
| دبوس 55 | PC8 — GPIO / EBI NRD |
| دبوس 56 | PC9 — GPIO / EBI NWE |
| دبوس 57 | PC10 — GPIO / EBI NCS0 |
| دبوس 58 | PC11 — GPIO / EBI NCS1 |
| دبوس 59 | PC12 — GPIO / EBI NCS2 |
| دبوس 60 | PC13 — GPIO / EBI NCS3 |
| دبوس 61 | PC14 — GPIO / EBI NCS4 |
| دبوس 62 | PC15 — GPIO / EBI NCS5 |
| دبوس 63 | VDDIO — I/O supply voltage |
| دبوس 64 | GND — Common ground |
| دبوس 65 | PD0 — GPIO / EBI D16 |
| دبوس 66 | PD1 — GPIO / EBI D17 |
| دبوس 67 | PD2 — GPIO / EBI D18 |
| دبوس 68 | PD3 — GPIO / EBI D19 |
| دبوس 69 | PD4 — GPIO / EBI D20 |
| دبوس 70 | PD5 — GPIO / EBI D21 |
| دبوس 71 | PD6 — GPIO / EBI D22 |
| دبوس 72 | PD7 — GPIO / EBI D23 |
| دبوس 73 | PD8 — GPIO / EBI D24 |
| دبوس 74 | PD9 — GPIO / EBI D25 |
| دبوس 75 | PD10 — GPIO / EBI D26 |
| دبوس 76 | PD11 — GPIO / EBI D27 |
| دبوس 77 | PD12 — GPIO / EBI D28 |
| دبوس 78 | PD13 — GPIO / EBI D29 |
| دبوس 79 | PD14 — GPIO / EBI D30 |
| دبوس 80 | PD15 — GPIO / EBI D31 |
| دبوس 81 | VDDCORE — Core supply (1.2 V) |
| دبوس 82 | GND — Common ground |
| دبوس 83 | PE0 — GPIO / PWM0 |
| دبوس 84 | PE1 — GPIO / PWM1 |
| دبوس 85 | PE2 — GPIO / PWM2 |
| دبوس 86 | PE3 — GPIO / PWM3 |
| دبوس 87 | PE4 — GPIO / CANRX0 |
| دبوس 88 | PE5 — GPIO / CANTX0 |
| دبوس 89 | PE6 — GPIO / CANRX1 |
| دبوس 90 | PE7 — GPIO / CANTX1 |
| دبوس 91 | PE8 — GPIO / I2S0 MCK |
| دبوس 92 | PE9 — GPIO / I2S0 CK |
| دبوس 93 | PE10 — GPIO / I2S0 WS |
| دبوس 94 | PE11 — GPIO / I2S0 DIN |
| دبوس 95 | PE12 — GPIO / I2S0 DOUT |
| دبوس 96 | VDDIO — I/O supply voltage |
| دبوس 97 | GND — Common ground |
| دبوس 98 | PF0 — GPIO / I2S1 MCK |
| دبوس 99 | PF1 — GPIO / I2S1 CK |
| دبوس 100 | PF2 — GPIO / I2S1 WS |
| دبوس 101 | PF3 — GPIO / I2S1 DIN |
| دبوس 102 | PF4 — GPIO / I2S1 DOUT |
| دبوس 103 | PF5 — GPIO / ISI D0 |
| دبوس 104 | PF6 — GPIO / ISI D1 |
| دبوس 105 | PF7 — GPIO / ISI D2 |
| دبوس 106 | PF8 — GPIO / ISI D3 |
| دبوس 107 | PF9 — GPIO / ISI D4 |
| دبوس 108 | PF10 — GPIO / ISI D5 |
| دبوس 109 | PF11 — GPIO / ISI D6 |
| دبوس 110 | PF12 — GPIO / ISI D7 |
| دبوس 111 | PF13 — GPIO / ISI PCLK |
| دبوس 112 | PF14 — GPIO / ISI VSYNC |
| دبوس 113 | PF15 — GPIO / ISI HSYNC |
| دبوس 114 | VDDIO — I/O supply voltage |
| دبوس 115 | GND — Common ground |
| دبوس 116 | PG0 — GPIO / LCD DAT0 |
| دبوس 117 | PG1 — GPIO / LCD DAT1 |
| دبوس 118 | PG2 — GPIO / LCD DAT2 |
| دبوس 119 | PG3 — GPIO / LCD DAT3 |
| دبوس 120 | PG4 — GPIO / LCD DAT4 |
| دبوس 121 | PG5 — GPIO / LCD DAT5 |
| دبوس 122 | PG6 — GPIO / LCD DAT6 |
| دبوس 123 | PG7 — GPIO / LCD DAT7 |
| دبوس 124 | PG8 — GPIO / LCD DAT8 |
| دبوس 125 | PG9 — GPIO / LCD DAT9 |
| دبوس 126 | PG10 — GPIO / LCD DAT10 |
| دبوس 127 | PG11 — GPIO / LCD DAT11 |
| دبوس 128 | PG12 — GPIO / LCD DAT12 |
| دبوس 129 | PG13 — GPIO / LCD DAT13 |
| دبوس 130 | PG14 — GPIO / LCD DAT14 |
| دبوس 131 | PG15 — GPIO / LCD DAT15 |
| دبوس 132 | VDDCORE — Core supply (1.2 V) |
| دبوس 133 | GND — Common ground |
| دبوس 134 | PH0 — GPIO / ETH GTXCK |
| دبوس 135 | PH1 — GPIO / ETH GTXEN |
| دبوس 136 | PH2 — GPIO / ETH GTX0 |
| دبوس 137 | PH3 — GPIO / ETH GTX1 |
| دبوس 138 | PH4 — GPIO / ETH GRXDV |
| دبوس 139 | PH5 — GPIO / ETH GRX0 |
| دبوس 140 | PH6 — GPIO / ETH GRX1 |
| دبوس 141 | PH7 — GPIO / ETH GRXER |
| دبوس 142 | PH8 — GPIO / ETH MDC |
| دبوس 143 | PH9 — GPIO / ETH MDIO |
| دبوس 144 | JTAGSEL — JTAG selection (tie to VDDCORE for JTAG, GND for SWD) |
التطبيقات النموذجية
ATSAMS70Q20A-AN مناسب لـ 6 التطبيقs: Industrial Human-Machine Interface (HMI) Panels, High-End Audio Amplification and Mixing Consoles, Automotive Infotainment Prototyping, Building Automation and IoT Gateways, Point-of-Sale (POS) Terminals, Industrial Motor Control and Robotics.
Industrial Human-Machine Interface (HMI) Panels
The ATSAMS70Q20A-AN's 300 MHz Cortex-M7 core, 384 KB SRAM, and integrated TFT LCD controller with overlay make it a strong fit for industrial HMI panels. The 2D graphics accelerator and ISI image-sensor interface deliver 60 fps rendering for 480x272 / 800x480 TFT panels without an external GPU. The 119 GPIOs support parallel RGB888 displays, touch-screen I/O via I2C, and backlight PWM. Engineers pair it with the ATSAME70Q21B-AN for Ethernet-enabled panel variants. The wide 3.0-3.6 V supply tolerates 24 V industrial backplanes after a simple buck regulator step, while the -40C to +105C rating supports factory-floor deployment. Integrated verification is the Spice simulation suite plus OEM factory acceptance testing.
موصى به
High-End Audio Amplification and Mixing Consoles
The ATSAMS70Q20A-AN integrates four I2S audio ports and a Cortex-M7 FPU that executes 32-bit/48 kHz audio DSP pipelines with sub-100 µs latency. For digital mixing consoles the device routes multi-channel I2S to external ADCs/DACs, while its 384 KB SRAM buffers audio samples for mix-headroom algorithms. The hardware cryptographic accelerator (AES) secures DRM-protected audio streams. Pin compatibility with the ATSAME70Q20A-ANT family allows Ethernet-equipped amp racks to share the same PCB layout. Designers should use the SD card controller (HSMCI) for sample streaming, paired with an AK4621EF codec for studio-grade DAC/ADC interfacing.
موصى به
Automotive Infotainment Prototyping
Automotive infotainment prototypes leverage the ATSAMS70Q20A-AN's TFT LCD controller, dual CAN-FD controllers, and 300 MHz Cortex-M7 to drive dashboard displays while bridging in-vehicle networks. Two ISO 11898-1:2015 CAN-FD channels at 8 Mbps data-phase handle powertrain and chassis CAN simultaneously, and the 384 KB SRAM buffers map tiles and 3D-prerendered HMI assets. The 119 GPIOs expose LVDS, RMII Ethernet, and a FlexCAN-style header for digital cockpit expansion. Although this part is not AEC-Q100 qualified, the industrial-grade -40C to +105C rating supports prototyping harnesses; production programs migrate to the ATSAMV71Q21B-AABT which carries AEC-Q100 grade 2.
موصى به
Building Automation and IoT Gateways
Building automation gateways exploit the ATSAMS70Q20A-AN's hardware AES, TRNG, and Cortex-M7 compute to perform on-device TLS handshake for secure remote management of HVAC, lighting, and access-control nodes. The 1 MB Flash stores encrypted firmware images and OTA update staging, while the 16 KB ICache accelerates TLS RSA/ECC signature verification. The Ethernet MAC with IEEE 1588 PTP timestamps power-quality events; CAN-FD bridges to industrial HVAC buses. Pin-to-pin compatibility with the ATSAME70Q21B-AN simplifies migration for gateways that need Ethernet plus graphics.
موصى به
Point-of-Sale (POS) Terminals
POS terminals benefit from the ATSAMS70Q20A-AN's 300 MHz Cortex-M7, 1 MB Flash, and rich connectivity: USB 2.0 HS PHY drives barcode scanners and receipt printers, the TFT LCD controller drives the customer-facing display, and the SD card controller (HSMCI) stores transaction logs. The hardware crypto engine secures EMV chip-card authentication with AES-128. With 384 KB SRAM the device can hold full transaction buffers and customer UI assets. Pin-compatible variants like the ATSAME70Q20A-AN enable Ethernet POS variants that share the same PCB layout for production scale-up.
موصى به
Industrial Motor Control and Robotics
Industrial motor controllers use the ATSAMS70Q20A-AN's 300 MHz Cortex-M7 with hardware FPU to execute field-oriented control (FOC) loops for brushless DC and PMSM motors at 20 kHz switching frequency. Two 12-bit AFEC ADCs sample phase currents at 1.5 Msps with simultaneous sampling, and the PWM peripherals output center-aligned complementary signals with 8 ns dead-time insertion. CAN-FD delivers synchronized motion across multi-axis robotics. The 1 MB Flash stores complex sensorless-control state machines and adaptive gain tables. Pair the device with ATSAMC21G18A-AU CAN-FD companions for distributed axis expansion.
موصى به
ملخص المنتجات الموصى بها
بيانات مرجعية هندسية لـ ATSAMS70Q20A-AN — المقارنة وإرشادات التصميم ومعلومات الامتثال.
دليل الاختيار
المقارنة مع البدائل
| المعامل | هذا المنتج | ATSAME70Q20A-AN | ATSAMS70Q20A-ANT | ATSAME70Q20A-ANT | ATSAME70Q21B-AN |
|---|---|---|---|---|---|
| Package | LQFP-144 (20x20 mm) | LQFP-144 (20x20 mm) - same | LQFP-144 (20x20 mm) - same | LQFP-144 (20x20 mm) - same | LQFP-144 (20x20 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| 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 |
| Flash | 1 MB | 1 MB | 1 MB | 1 MB | 2 MB (+100%) |
| SRAM | 384 KB | 384 KB | 384 KB | 384 KB | 384 KB |
| Ethernet MAC | No (E70 has 10/100; S70 omits MAC emphasis) | Yes (10/100 + 1588 PTP) | No | Yes (10/100 + 1588 PTP) | Yes (10/100 + 1588 PTP) |
| TFT LCD Controller | Yes (with overlay) | No (E70 omits 2D LCD) | Yes | No | No |
| CAN-FD | 2 channels | 2 channels | 2 channels | 2 channels | 2 channels |
| Operating Temperature | -40C to +105C | -40C to +105C | -40C to +105C | -40C to +105C | -40C to +105C |
| Approx. Unit Price (qty 1) | USD 14.78 | USD 14.50 | USD 14.78 | USD 14.50 | USD 17.20 |
أبرز الفروقات
- Same-family Ethernet-focused drop-in alternative (مقابلATSAME70Q20A-AN)
- Higher Flash option at same package (مقابلATSAME70Q21B-AN)
- Same-die tape-and-reel variant (مقابلATSAMS70Q20A-ANT)
ملاحظات التصميم
Estimated: at 300 MHz full-load on the ATSAMS70Q20A-AN, the core current is around 95 mA at 1.2 V, giving ~115 mW core draw plus 50-80 mA through the I/O rails at 3.3 V. Designers should provide 0.1 µF + 1 µF ceramic decoupling on every VDDCORE/VDDIO pin group, plus a 4.7 µF bulk on the main rail. Sequence the core rail before the I/O rail at startup to avoid latch-up. Use the integrated SUPC (Supply Controller) to supervise brown-out on VDDIO at 1.6 V typical. A common pitfall is sourcing the 12 MHz crystal oscillator directly from a switching node, which adds jitter and degrades USB HS eye diagrams.
The 144-pin LQFP (0.5 mm pitch) requires flooded power planes under the package, with a 4-layer stackup recommended (signal-GND-VCC-signal). Route the USB DP/DM pair as a 90 Ω differential with no stubs and length-matched within 150 mil. The Ethernet RMII/RGMII bus should be length-matched to within 50 mil. Place the 12 MHz crystal within 5 mm of pins 20-21 and guard it with a GND moat. The 32.768 kHz low-power crystal layout should follow the same guarding rule. The floating policy is to flood all unused layers with copper for thermal relief, since at 300 MHz the LQFP-144 still dissipates 1-1.5 W under typical load.
Do not enable the TC0/TIOA capture without first configuring the PMC (Power Management Controller) peripheral clock, otherwise the system halts. The HS USB PHY requires a 12 MHz reference clock with ±50 ppm accuracy to meet USB 2.0 HS compliance - prefer the internal PLL over an external crystal when designing for compliance. The EBI bus cannot boot from SDRAM directly; first copy the SDRAM init sequence from Flash. When migrating from ATSAMS70 to ATSAME70, swap the peripheral multiplexing map for the Ethernet pins but keep the same PCB layout (pin-compatible). A common pitfall is ignoring the JTAGSEL pin - tie it high for JTAG, low for SWD.
Estimated: at 1.5 W dissipation on the 144-LQFP (theta_JA ~32 C/W from the JEDEC EIA/JESD51 4-layer test board), the junction rises about 48 C above ambient. At industrial -40C to +105C ambient, worst-case junction can approach 150 C, exceeding the 105 C operating temperature rating if the device is pushed to its maximum CPU load continuously. Provide a copper-flooded top layer with at least 1 square inch of copper area, plus thermal vias into the inner GND plane, for systems that must sustain 300 MHz with all peripherals active.
معلومات الامتثال
RoHS compliant per Microchip product page. Not AEC-Q100 qualified - choose ATSAMV71Q21B-AABT for automotive. Halogen-free status not stated in verified snippets and left as 'unknown'.
