ATSAMS70Q20A-AN - 300MHz Cortex-M7 MCU, 1MB Flash | Microchip
N.º da peça: ATSAMS70Q20A-AN ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $14.78 | $14,78 |
| 10 | $13.31 | $133,10 |
| 100 | $11.83 | $1.183,00 |
| 500 | $10.66 | $5.330,00 |
| 1.000 | $9.52 | $9.520,00 |
ATSAMS70Q20A-AN Visão geral
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.
Alternativas drop-in para ATSAMS70Q20A-AN — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com ATSAMS70Q20A-AN (mesmo formato e footprint) — diferindo em ADC, Package, Ethernet, Operating Temperature, Core.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
ATSAME70Q20A-AN
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
ATSAMS70Q20A-ANT
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
ATSAME70Q20A-ANT
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
ATSAME70Q21B-AN
✅ Drop-In✓ Em estoque
$17.4 / unidade
Ver ficha técnica →ATSAME70Q21A-CNT
✅ Drop-In✓ Em estoque
$8.2 / unidade
Ver ficha técnica →ATSAME70N20A-AN
✅ Drop-In✓ Em estoque
$11.2 / unidade
Ver ficha técnica →ATSAMS70Q20A-AN Classificações máximas e características elétricas
| Core | ARM Cortex-M7 with FPU (single + double precision) |
| Frequência máxima de clock | 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 |
| Encapsulamento | 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 |
| Temperatura de operação | -40C to +105C |
| Status RoHS | Compliant |
| CoreMark Score | 1500 |
Configuração de pinos do ATSAMS70Q20A-AN
| Pino 1 | VDDIO — I/O supply voltage (3.3 V nominal) |
| Pino 2 | PA0 — GPIO / AFEC AD0 / PWM0 |
| Pino 3 | PA1 — GPIO / AFEC AD1 / PWM1 |
| Pino 4 | PA2 — GPIO / AFEC AD2 |
| Pino 5 | PA3 — GPIO / AFEC AD3 |
| Pino 6 | PA4 — GPIO / AFEC AD4 |
| Pino 7 | PA5 — GPIO / AFEC AD5 |
| Pino 8 | GND — Common ground |
| Pino 9 | PA6 — GPIO / AFEC AD6 |
| Pino 10 | PA7 — GPIO / AFEC AD7 |
| Pino 11 | PA8 — GPIO / PWM0 |
| Pino 12 | PA9 — GPIO / URXD0 |
| Pino 13 | PA10 — GPIO / UTXD0 |
| Pino 14 | PA11 — GPIO / UDP (USB HS) |
| Pino 15 | PA12 — GPIO / UDM (USB HS) |
| Pino 16 | PA13 — GPIO / TWD (I2C0) |
| Pino 17 | PA14 — GPIO / TWCK (I2C0) |
| Pino 18 | VDDCORE — Core supply (1.2 V) |
| Pino 19 | GND — Common ground |
| Pino 20 | XIN — 12 MHz crystal input |
| Pino 21 | XOUT — 12 MHz crystal output |
| Pino 22 | NRST — Reset (active low) |
| Pino 23 | TMS — JTAG test mode select |
| Pino 24 | TCK — JTAG test clock |
| Pino 25 | TDO — JTAG test data out |
| Pino 26 | TDI — JTAG test data in |
| Pino 27 | SWDIO — Serial wire debug I/O |
| Pino 28 | SWCLK — Serial wire clock |
| Pino 29 | PB0 — GPIO / EBI D0 |
| Pino 30 | PB1 — GPIO / EBI D1 |
| Pino 31 | PB2 — GPIO / EBI D2 |
| Pino 32 | PB3 — GPIO / EBI D3 |
| Pino 33 | PB4 — GPIO / EBI D4 |
| Pino 34 | PB5 — GPIO / EBI D5 |
| Pino 35 | PB6 — GPIO / EBI D6 |
| Pino 36 | PB7 — GPIO / EBI D7 |
| Pino 37 | PB8 — GPIO / EBI D8 |
| Pino 38 | PB9 — GPIO / EBI D9 |
| Pino 39 | PB10 — GPIO / EBI D10 |
| Pino 40 | PB11 — GPIO / EBI D11 |
| Pino 41 | PB12 — GPIO / EBI D12 |
| Pino 42 | PB13 — GPIO / EBI D13 |
| Pino 43 | PB14 — GPIO / EBI D14 |
| Pino 44 | PB15 — GPIO / EBI D15 |
| Pino 45 | VDDIO — I/O supply voltage |
| Pino 46 | GND — Common ground |
| Pino 47 | PC0 — GPIO / EBI A0 / NCS0 |
| Pino 48 | PC1 — GPIO / EBI A1 / NCS1 |
| Pino 49 | PC2 — GPIO / EBI A2 / NCS2 |
| Pino 50 | PC3 — GPIO / EBI A3 / NCS3 |
| Pino 51 | PC4 — GPIO / EBI A4 |
| Pino 52 | PC5 — GPIO / EBI A5 |
| Pino 53 | PC6 — GPIO / EBI A6 |
| Pino 54 | PC7 — GPIO / EBI A7 |
| Pino 55 | PC8 — GPIO / EBI NRD |
| Pino 56 | PC9 — GPIO / EBI NWE |
| Pino 57 | PC10 — GPIO / EBI NCS0 |
| Pino 58 | PC11 — GPIO / EBI NCS1 |
| Pino 59 | PC12 — GPIO / EBI NCS2 |
| Pino 60 | PC13 — GPIO / EBI NCS3 |
| Pino 61 | PC14 — GPIO / EBI NCS4 |
| Pino 62 | PC15 — GPIO / EBI NCS5 |
| Pino 63 | VDDIO — I/O supply voltage |
| Pino 64 | GND — Common ground |
| Pino 65 | PD0 — GPIO / EBI D16 |
| Pino 66 | PD1 — GPIO / EBI D17 |
| Pino 67 | PD2 — GPIO / EBI D18 |
| Pino 68 | PD3 — GPIO / EBI D19 |
| Pino 69 | PD4 — GPIO / EBI D20 |
| Pino 70 | PD5 — GPIO / EBI D21 |
| Pino 71 | PD6 — GPIO / EBI D22 |
| Pino 72 | PD7 — GPIO / EBI D23 |
| Pino 73 | PD8 — GPIO / EBI D24 |
| Pino 74 | PD9 — GPIO / EBI D25 |
| Pino 75 | PD10 — GPIO / EBI D26 |
| Pino 76 | PD11 — GPIO / EBI D27 |
| Pino 77 | PD12 — GPIO / EBI D28 |
| Pino 78 | PD13 — GPIO / EBI D29 |
| Pino 79 | PD14 — GPIO / EBI D30 |
| Pino 80 | PD15 — GPIO / EBI D31 |
| Pino 81 | VDDCORE — Core supply (1.2 V) |
| Pino 82 | GND — Common ground |
| Pino 83 | PE0 — GPIO / PWM0 |
| Pino 84 | PE1 — GPIO / PWM1 |
| Pino 85 | PE2 — GPIO / PWM2 |
| Pino 86 | PE3 — GPIO / PWM3 |
| Pino 87 | PE4 — GPIO / CANRX0 |
| Pino 88 | PE5 — GPIO / CANTX0 |
| Pino 89 | PE6 — GPIO / CANRX1 |
| Pino 90 | PE7 — GPIO / CANTX1 |
| Pino 91 | PE8 — GPIO / I2S0 MCK |
| Pino 92 | PE9 — GPIO / I2S0 CK |
| Pino 93 | PE10 — GPIO / I2S0 WS |
| Pino 94 | PE11 — GPIO / I2S0 DIN |
| Pino 95 | PE12 — GPIO / I2S0 DOUT |
| Pino 96 | VDDIO — I/O supply voltage |
| Pino 97 | GND — Common ground |
| Pino 98 | PF0 — GPIO / I2S1 MCK |
| Pino 99 | PF1 — GPIO / I2S1 CK |
| Pino 100 | PF2 — GPIO / I2S1 WS |
| Pino 101 | PF3 — GPIO / I2S1 DIN |
| Pino 102 | PF4 — GPIO / I2S1 DOUT |
| Pino 103 | PF5 — GPIO / ISI D0 |
| Pino 104 | PF6 — GPIO / ISI D1 |
| Pino 105 | PF7 — GPIO / ISI D2 |
| Pino 106 | PF8 — GPIO / ISI D3 |
| Pino 107 | PF9 — GPIO / ISI D4 |
| Pino 108 | PF10 — GPIO / ISI D5 |
| Pino 109 | PF11 — GPIO / ISI D6 |
| Pino 110 | PF12 — GPIO / ISI D7 |
| Pino 111 | PF13 — GPIO / ISI PCLK |
| Pino 112 | PF14 — GPIO / ISI VSYNC |
| Pino 113 | PF15 — GPIO / ISI HSYNC |
| Pino 114 | VDDIO — I/O supply voltage |
| Pino 115 | GND — Common ground |
| Pino 116 | PG0 — GPIO / LCD DAT0 |
| Pino 117 | PG1 — GPIO / LCD DAT1 |
| Pino 118 | PG2 — GPIO / LCD DAT2 |
| Pino 119 | PG3 — GPIO / LCD DAT3 |
| Pino 120 | PG4 — GPIO / LCD DAT4 |
| Pino 121 | PG5 — GPIO / LCD DAT5 |
| Pino 122 | PG6 — GPIO / LCD DAT6 |
| Pino 123 | PG7 — GPIO / LCD DAT7 |
| Pino 124 | PG8 — GPIO / LCD DAT8 |
| Pino 125 | PG9 — GPIO / LCD DAT9 |
| Pino 126 | PG10 — GPIO / LCD DAT10 |
| Pino 127 | PG11 — GPIO / LCD DAT11 |
| Pino 128 | PG12 — GPIO / LCD DAT12 |
| Pino 129 | PG13 — GPIO / LCD DAT13 |
| Pino 130 | PG14 — GPIO / LCD DAT14 |
| Pino 131 | PG15 — GPIO / LCD DAT15 |
| Pino 132 | VDDCORE — Core supply (1.2 V) |
| Pino 133 | GND — Common ground |
| Pino 134 | PH0 — GPIO / ETH GTXCK |
| Pino 135 | PH1 — GPIO / ETH GTXEN |
| Pino 136 | PH2 — GPIO / ETH GTX0 |
| Pino 137 | PH3 — GPIO / ETH GTX1 |
| Pino 138 | PH4 — GPIO / ETH GRXDV |
| Pino 139 | PH5 — GPIO / ETH GRX0 |
| Pino 140 | PH6 — GPIO / ETH GRX1 |
| Pino 141 | PH7 — GPIO / ETH GRXER |
| Pino 142 | PH8 — GPIO / ETH MDC |
| Pino 143 | PH9 — GPIO / ETH MDIO |
| Pino 144 | JTAGSEL — JTAG selection (tie to VDDCORE for JTAG, GND for SWD) |
Aplicações típicas
ATSAMS70Q20A-AN é adequado para 6 aplicaçãos: 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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para ATSAMS70Q20A-AN — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | 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 |
Principais diferenciais
- Same-family Ethernet-focused drop-in alternative (vs ATSAME70Q20A-AN)
- Higher Flash option at same package (vs ATSAME70Q21B-AN)
- Same-die tape-and-reel variant (vs ATSAMS70Q20A-ANT)
Notas de projeto
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.
Informações de conformidade
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'.
