ATSAMS70Q20A-AN - 300MHz Cortex-M7 MCU, 1MB Flash | Microchip
MPN: ATSAMS70Q20A-AN ✓ فعالATSAMS70Q20A-AN نمای کلی
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.
جایگزین‌های drop-in برای ATSAMS70Q20A-AN — همان پکیج، سازگار پین‌به‌پین. قطعات با پکیج متفاوت که نیاز به تغییر PCB دارند مستثنی هستند.
گونه‌ها در این سری
مدل‌های هم‌سری که جایگزین مستقیم هستند برای ATSAMS70Q20A-AN (همان فرم‌فاکتور و فوت‌پرینت) — متفاوت در ADC, Package, Ethernet, Operating Temperature, Core.
ATSAME70Q20A-AN
✅ جایگزین مستقیم📋 جایگزین مرجع (خارج از کاتالوگ)
ATSAMS70Q20A-ANT
✅ جایگزین مستقیم📋 جایگزین مرجع (خارج از کاتالوگ)
ATSAME70Q20A-ANT
✅ جایگزین مستقیم📋 جایگزین مرجع (خارج از کاتالوگ)
ATSAME70Q21B-AN
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←ATSAME70Q21A-CNT
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←ATSAME70N20A-AN
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←ATSAMS70Q20A-AN حداکثر مقادیر مجاز و مشخصات الکتریکی
| Core | ARM Cortex-M7 with FPU (single + double precision) |
| حداکثر فرکانس کلاک | 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 |
| بسته‌بندی | 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 |
| دمای کاری | -40C to +105C |
| وضعیت RoHS | Compliant |
| CoreMark Score | 1500 |
پیکربندی پین ATSAMS70Q20A-AN
| پین 1 | VDDIO — I/O supply voltage (3.3 V nominal) |
| پین 2 | PA0 — GPIO / AFEC AD0 / PWM0 |
| پین 3 | PA1 — GPIO / AFEC AD1 / PWM1 |
| پین 4 | PA2 — GPIO / AFEC AD2 |
| پین 5 | PA3 — GPIO / AFEC AD3 |
| پین 6 | PA4 — GPIO / AFEC AD4 |
| پین 7 | PA5 — GPIO / AFEC AD5 |
| پین 8 | GND — Common ground |
| پین 9 | PA6 — GPIO / AFEC AD6 |
| پین 10 | PA7 — GPIO / AFEC AD7 |
| پین 11 | PA8 — GPIO / PWM0 |
| پین 12 | PA9 — GPIO / URXD0 |
| پین 13 | PA10 — GPIO / UTXD0 |
| پین 14 | PA11 — GPIO / UDP (USB HS) |
| پین 15 | PA12 — GPIO / UDM (USB HS) |
| پین 16 | PA13 — GPIO / TWD (I2C0) |
| پین 17 | PA14 — GPIO / TWCK (I2C0) |
| پین 18 | VDDCORE — Core supply (1.2 V) |
| پین 19 | GND — Common ground |
| پین 20 | XIN — 12 MHz crystal input |
| پین 21 | XOUT — 12 MHz crystal output |
| پین 22 | NRST — Reset (active low) |
| پین 23 | TMS — JTAG test mode select |
| پین 24 | TCK — JTAG test clock |
| پین 25 | TDO — JTAG test data out |
| پین 26 | TDI — JTAG test data in |
| پین 27 | SWDIO — Serial wire debug I/O |
| پین 28 | SWCLK — Serial wire clock |
| پین 29 | PB0 — GPIO / EBI D0 |
| پین 30 | PB1 — GPIO / EBI D1 |
| پین 31 | PB2 — GPIO / EBI D2 |
| پین 32 | PB3 — GPIO / EBI D3 |
| پین 33 | PB4 — GPIO / EBI D4 |
| پین 34 | PB5 — GPIO / EBI D5 |
| پین 35 | PB6 — GPIO / EBI D6 |
| پین 36 | PB7 — GPIO / EBI D7 |
| پین 37 | PB8 — GPIO / EBI D8 |
| پین 38 | PB9 — GPIO / EBI D9 |
| پین 39 | PB10 — GPIO / EBI D10 |
| پین 40 | PB11 — GPIO / EBI D11 |
| پین 41 | PB12 — GPIO / EBI D12 |
| پین 42 | PB13 — GPIO / EBI D13 |
| پین 43 | PB14 — GPIO / EBI D14 |
| پین 44 | PB15 — GPIO / EBI D15 |
| پین 45 | VDDIO — I/O supply voltage |
| پین 46 | GND — Common ground |
| پین 47 | PC0 — GPIO / EBI A0 / NCS0 |
| پین 48 | PC1 — GPIO / EBI A1 / NCS1 |
| پین 49 | PC2 — GPIO / EBI A2 / NCS2 |
| پین 50 | PC3 — GPIO / EBI A3 / NCS3 |
| پین 51 | PC4 — GPIO / EBI A4 |
| پین 52 | PC5 — GPIO / EBI A5 |
| پین 53 | PC6 — GPIO / EBI A6 |
| پین 54 | PC7 — GPIO / EBI A7 |
| پین 55 | PC8 — GPIO / EBI NRD |
| پین 56 | PC9 — GPIO / EBI NWE |
| پین 57 | PC10 — GPIO / EBI NCS0 |
| پین 58 | PC11 — GPIO / EBI NCS1 |
| پین 59 | PC12 — GPIO / EBI NCS2 |
| پین 60 | PC13 — GPIO / EBI NCS3 |
| پین 61 | PC14 — GPIO / EBI NCS4 |
| پین 62 | PC15 — GPIO / EBI NCS5 |
| پین 63 | VDDIO — I/O supply voltage |
| پین 64 | GND — Common ground |
| پین 65 | PD0 — GPIO / EBI D16 |
| پین 66 | PD1 — GPIO / EBI D17 |
| پین 67 | PD2 — GPIO / EBI D18 |
| پین 68 | PD3 — GPIO / EBI D19 |
| پین 69 | PD4 — GPIO / EBI D20 |
| پین 70 | PD5 — GPIO / EBI D21 |
| پین 71 | PD6 — GPIO / EBI D22 |
| پین 72 | PD7 — GPIO / EBI D23 |
| پین 73 | PD8 — GPIO / EBI D24 |
| پین 74 | PD9 — GPIO / EBI D25 |
| پین 75 | PD10 — GPIO / EBI D26 |
| پین 76 | PD11 — GPIO / EBI D27 |
| پین 77 | PD12 — GPIO / EBI D28 |
| پین 78 | PD13 — GPIO / EBI D29 |
| پین 79 | PD14 — GPIO / EBI D30 |
| پین 80 | PD15 — GPIO / EBI D31 |
| پین 81 | VDDCORE — Core supply (1.2 V) |
| پین 82 | GND — Common ground |
| پین 83 | PE0 — GPIO / PWM0 |
| پین 84 | PE1 — GPIO / PWM1 |
| پین 85 | PE2 — GPIO / PWM2 |
| پین 86 | PE3 — GPIO / PWM3 |
| پین 87 | PE4 — GPIO / CANRX0 |
| پین 88 | PE5 — GPIO / CANTX0 |
| پین 89 | PE6 — GPIO / CANRX1 |
| پین 90 | PE7 — GPIO / CANTX1 |
| پین 91 | PE8 — GPIO / I2S0 MCK |
| پین 92 | PE9 — GPIO / I2S0 CK |
| پین 93 | PE10 — GPIO / I2S0 WS |
| پین 94 | PE11 — GPIO / I2S0 DIN |
| پین 95 | PE12 — GPIO / I2S0 DOUT |
| پین 96 | VDDIO — I/O supply voltage |
| پین 97 | GND — Common ground |
| پین 98 | PF0 — GPIO / I2S1 MCK |
| پین 99 | PF1 — GPIO / I2S1 CK |
| پین 100 | PF2 — GPIO / I2S1 WS |
| پین 101 | PF3 — GPIO / I2S1 DIN |
| پین 102 | PF4 — GPIO / I2S1 DOUT |
| پین 103 | PF5 — GPIO / ISI D0 |
| پین 104 | PF6 — GPIO / ISI D1 |
| پین 105 | PF7 — GPIO / ISI D2 |
| پین 106 | PF8 — GPIO / ISI D3 |
| پین 107 | PF9 — GPIO / ISI D4 |
| پین 108 | PF10 — GPIO / ISI D5 |
| پین 109 | PF11 — GPIO / ISI D6 |
| پین 110 | PF12 — GPIO / ISI D7 |
| پین 111 | PF13 — GPIO / ISI PCLK |
| پین 112 | PF14 — GPIO / ISI VSYNC |
| پین 113 | PF15 — GPIO / ISI HSYNC |
| پین 114 | VDDIO — I/O supply voltage |
| پین 115 | GND — Common ground |
| پین 116 | PG0 — GPIO / LCD DAT0 |
| پین 117 | PG1 — GPIO / LCD DAT1 |
| پین 118 | PG2 — GPIO / LCD DAT2 |
| پین 119 | PG3 — GPIO / LCD DAT3 |
| پین 120 | PG4 — GPIO / LCD DAT4 |
| پین 121 | PG5 — GPIO / LCD DAT5 |
| پین 122 | PG6 — GPIO / LCD DAT6 |
| پین 123 | PG7 — GPIO / LCD DAT7 |
| پین 124 | PG8 — GPIO / LCD DAT8 |
| پین 125 | PG9 — GPIO / LCD DAT9 |
| پین 126 | PG10 — GPIO / LCD DAT10 |
| پین 127 | PG11 — GPIO / LCD DAT11 |
| پین 128 | PG12 — GPIO / LCD DAT12 |
| پین 129 | PG13 — GPIO / LCD DAT13 |
| پین 130 | PG14 — GPIO / LCD DAT14 |
| پین 131 | PG15 — GPIO / LCD DAT15 |
| پین 132 | VDDCORE — Core supply (1.2 V) |
| پین 133 | GND — Common ground |
| پین 134 | PH0 — GPIO / ETH GTXCK |
| پین 135 | PH1 — GPIO / ETH GTXEN |
| پین 136 | PH2 — GPIO / ETH GTX0 |
| پین 137 | PH3 — GPIO / ETH GTX1 |
| پین 138 | PH4 — GPIO / ETH GRXDV |
| پین 139 | PH5 — GPIO / ETH GRX0 |
| پین 140 | PH6 — GPIO / ETH GRX1 |
| پین 141 | PH7 — GPIO / ETH GRXER |
| پین 142 | PH8 — GPIO / ETH MDC |
| پین 143 | PH9 — GPIO / ETH MDIO |
| پین 144 | JTAGSEL — JTAG selection (tie to VDDCORE for JTAG, GND for SWD) |
کاربردهای معمول
ATSAMS70Q20A-AN مناسب است برای 6 کاربردs: 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.
پیشنهادی
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.
پیشنهادی
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.
پیشنهادی
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.
پیشنهادی
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.
پیشنهادی
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.
پیشنهادی
خلاصه محصولات پیشنهادی
داده‌های مرجع مهندسی برای ATSAMS70Q20A-AN — مقایسه، راهنمای طراحی و اطلاعات انطباق.
راهنمای انتخاب
مقایسه با جایگزین‌ها
| پارامتر | این محصول | 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 |
تفاوت‌های کلیدی
- Same-family Ethernet-focused drop-in alternative (در مقابلATSAME70Q20A-AN)
- Higher Flash option at same package (در مقابلATSAME70Q21B-AN)
- Same-die tape-and-reel variant (در مقابلATSAMS70Q20A-ANT)
یادداشت‌های طراحی
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.
اطلاعات انطباق
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'.
