ATSAMS70Q20A-AN - 300MHz Cortex-M7 MCU, 1MB Flash | Microchip
Teilenummer: ATSAMS70Q20A-AN ✓ Aktiv| Menge | Stückpreis | Gesamt |
|---|---|---|
| 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 Übersicht
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.
Drop-in-Alternativen für ATSAMS70Q20A-AN – gleiches Gehäuse, Pin-kompatibel. Bauteile mit anderem Gehäuse, die eine PCB-Überarbeitung erfordern, sind ausgeschlossen.
Varianten dieser Serie
Modelle derselben Serie, die drop-in-kompatibel sind mit ATSAMS70Q20A-AN (gleiche Bauform und Footprint) – abweichend in ADC, Package, Ethernet, Operating Temperature, Core.
Schnellvergleichstool – Wählen Sie Alternativbauteile für den Direktvergleich:
ATSAME70Q20A-AN
✅ Drop-In📋 Referenzalternative (nicht im Katalog)
ATSAMS70Q20A-ANT
✅ Drop-In📋 Referenzalternative (nicht im Katalog)
ATSAME70Q20A-ANT
✅ Drop-In📋 Referenzalternative (nicht im Katalog)
ATSAME70Q21B-AN
✅ Drop-In✓ Auf Lager
$17.4 / Stück
Datenblatt ansehen →ATSAME70Q21A-CNT
✅ Drop-In✓ Auf Lager
$8.2 / Stück
Datenblatt ansehen →ATSAME70N20A-AN
✅ Drop-In✓ Auf Lager
$11.2 / Stück
Datenblatt ansehen →ATSAMS70Q20A-AN Grenzwerte & elektrische Eigenschaften
| Core | ARM Cortex-M7 with FPU (single + double precision) |
| Maximale Taktfrequenz | 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 |
| Gehäuse | 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 |
| Betriebstemperatur | -40C to +105C |
| RoHS-Status | Compliant |
| CoreMark Score | 1500 |
ATSAMS70Q20A-AN Pin-Konfiguration
| Pin 1 | VDDIO — I/O supply voltage (3.3 V nominal) |
| Pin 2 | PA0 — GPIO / AFEC AD0 / PWM0 |
| Pin 3 | PA1 — GPIO / AFEC AD1 / PWM1 |
| Pin 4 | PA2 — GPIO / AFEC AD2 |
| Pin 5 | PA3 — GPIO / AFEC AD3 |
| Pin 6 | PA4 — GPIO / AFEC AD4 |
| Pin 7 | PA5 — GPIO / AFEC AD5 |
| Pin 8 | GND — Common ground |
| Pin 9 | PA6 — GPIO / AFEC AD6 |
| Pin 10 | PA7 — GPIO / AFEC AD7 |
| Pin 11 | PA8 — GPIO / PWM0 |
| Pin 12 | PA9 — GPIO / URXD0 |
| Pin 13 | PA10 — GPIO / UTXD0 |
| Pin 14 | PA11 — GPIO / UDP (USB HS) |
| Pin 15 | PA12 — GPIO / UDM (USB HS) |
| Pin 16 | PA13 — GPIO / TWD (I2C0) |
| Pin 17 | PA14 — GPIO / TWCK (I2C0) |
| Pin 18 | VDDCORE — Core supply (1.2 V) |
| Pin 19 | GND — Common ground |
| Pin 20 | XIN — 12 MHz crystal input |
| Pin 21 | XOUT — 12 MHz crystal output |
| Pin 22 | NRST — Reset (active low) |
| Pin 23 | TMS — JTAG test mode select |
| Pin 24 | TCK — JTAG test clock |
| Pin 25 | TDO — JTAG test data out |
| Pin 26 | TDI — JTAG test data in |
| Pin 27 | SWDIO — Serial wire debug I/O |
| Pin 28 | SWCLK — Serial wire clock |
| Pin 29 | PB0 — GPIO / EBI D0 |
| Pin 30 | PB1 — GPIO / EBI D1 |
| Pin 31 | PB2 — GPIO / EBI D2 |
| Pin 32 | PB3 — GPIO / EBI D3 |
| Pin 33 | PB4 — GPIO / EBI D4 |
| Pin 34 | PB5 — GPIO / EBI D5 |
| Pin 35 | PB6 — GPIO / EBI D6 |
| Pin 36 | PB7 — GPIO / EBI D7 |
| Pin 37 | PB8 — GPIO / EBI D8 |
| Pin 38 | PB9 — GPIO / EBI D9 |
| Pin 39 | PB10 — GPIO / EBI D10 |
| Pin 40 | PB11 — GPIO / EBI D11 |
| Pin 41 | PB12 — GPIO / EBI D12 |
| Pin 42 | PB13 — GPIO / EBI D13 |
| Pin 43 | PB14 — GPIO / EBI D14 |
| Pin 44 | PB15 — GPIO / EBI D15 |
| Pin 45 | VDDIO — I/O supply voltage |
| Pin 46 | GND — Common ground |
| Pin 47 | PC0 — GPIO / EBI A0 / NCS0 |
| Pin 48 | PC1 — GPIO / EBI A1 / NCS1 |
| Pin 49 | PC2 — GPIO / EBI A2 / NCS2 |
| Pin 50 | PC3 — GPIO / EBI A3 / NCS3 |
| Pin 51 | PC4 — GPIO / EBI A4 |
| Pin 52 | PC5 — GPIO / EBI A5 |
| Pin 53 | PC6 — GPIO / EBI A6 |
| Pin 54 | PC7 — GPIO / EBI A7 |
| Pin 55 | PC8 — GPIO / EBI NRD |
| Pin 56 | PC9 — GPIO / EBI NWE |
| Pin 57 | PC10 — GPIO / EBI NCS0 |
| Pin 58 | PC11 — GPIO / EBI NCS1 |
| Pin 59 | PC12 — GPIO / EBI NCS2 |
| Pin 60 | PC13 — GPIO / EBI NCS3 |
| Pin 61 | PC14 — GPIO / EBI NCS4 |
| Pin 62 | PC15 — GPIO / EBI NCS5 |
| Pin 63 | VDDIO — I/O supply voltage |
| Pin 64 | GND — Common ground |
| Pin 65 | PD0 — GPIO / EBI D16 |
| Pin 66 | PD1 — GPIO / EBI D17 |
| Pin 67 | PD2 — GPIO / EBI D18 |
| Pin 68 | PD3 — GPIO / EBI D19 |
| Pin 69 | PD4 — GPIO / EBI D20 |
| Pin 70 | PD5 — GPIO / EBI D21 |
| Pin 71 | PD6 — GPIO / EBI D22 |
| Pin 72 | PD7 — GPIO / EBI D23 |
| Pin 73 | PD8 — GPIO / EBI D24 |
| Pin 74 | PD9 — GPIO / EBI D25 |
| Pin 75 | PD10 — GPIO / EBI D26 |
| Pin 76 | PD11 — GPIO / EBI D27 |
| Pin 77 | PD12 — GPIO / EBI D28 |
| Pin 78 | PD13 — GPIO / EBI D29 |
| Pin 79 | PD14 — GPIO / EBI D30 |
| Pin 80 | PD15 — GPIO / EBI D31 |
| Pin 81 | VDDCORE — Core supply (1.2 V) |
| Pin 82 | GND — Common ground |
| Pin 83 | PE0 — GPIO / PWM0 |
| Pin 84 | PE1 — GPIO / PWM1 |
| Pin 85 | PE2 — GPIO / PWM2 |
| Pin 86 | PE3 — GPIO / PWM3 |
| Pin 87 | PE4 — GPIO / CANRX0 |
| Pin 88 | PE5 — GPIO / CANTX0 |
| Pin 89 | PE6 — GPIO / CANRX1 |
| Pin 90 | PE7 — GPIO / CANTX1 |
| Pin 91 | PE8 — GPIO / I2S0 MCK |
| Pin 92 | PE9 — GPIO / I2S0 CK |
| Pin 93 | PE10 — GPIO / I2S0 WS |
| Pin 94 | PE11 — GPIO / I2S0 DIN |
| Pin 95 | PE12 — GPIO / I2S0 DOUT |
| Pin 96 | VDDIO — I/O supply voltage |
| Pin 97 | GND — Common ground |
| Pin 98 | PF0 — GPIO / I2S1 MCK |
| Pin 99 | PF1 — GPIO / I2S1 CK |
| Pin 100 | PF2 — GPIO / I2S1 WS |
| Pin 101 | PF3 — GPIO / I2S1 DIN |
| Pin 102 | PF4 — GPIO / I2S1 DOUT |
| Pin 103 | PF5 — GPIO / ISI D0 |
| Pin 104 | PF6 — GPIO / ISI D1 |
| Pin 105 | PF7 — GPIO / ISI D2 |
| Pin 106 | PF8 — GPIO / ISI D3 |
| Pin 107 | PF9 — GPIO / ISI D4 |
| Pin 108 | PF10 — GPIO / ISI D5 |
| Pin 109 | PF11 — GPIO / ISI D6 |
| Pin 110 | PF12 — GPIO / ISI D7 |
| Pin 111 | PF13 — GPIO / ISI PCLK |
| Pin 112 | PF14 — GPIO / ISI VSYNC |
| Pin 113 | PF15 — GPIO / ISI HSYNC |
| Pin 114 | VDDIO — I/O supply voltage |
| Pin 115 | GND — Common ground |
| Pin 116 | PG0 — GPIO / LCD DAT0 |
| Pin 117 | PG1 — GPIO / LCD DAT1 |
| Pin 118 | PG2 — GPIO / LCD DAT2 |
| Pin 119 | PG3 — GPIO / LCD DAT3 |
| Pin 120 | PG4 — GPIO / LCD DAT4 |
| Pin 121 | PG5 — GPIO / LCD DAT5 |
| Pin 122 | PG6 — GPIO / LCD DAT6 |
| Pin 123 | PG7 — GPIO / LCD DAT7 |
| Pin 124 | PG8 — GPIO / LCD DAT8 |
| Pin 125 | PG9 — GPIO / LCD DAT9 |
| Pin 126 | PG10 — GPIO / LCD DAT10 |
| Pin 127 | PG11 — GPIO / LCD DAT11 |
| Pin 128 | PG12 — GPIO / LCD DAT12 |
| Pin 129 | PG13 — GPIO / LCD DAT13 |
| Pin 130 | PG14 — GPIO / LCD DAT14 |
| Pin 131 | PG15 — GPIO / LCD DAT15 |
| Pin 132 | VDDCORE — Core supply (1.2 V) |
| Pin 133 | GND — Common ground |
| Pin 134 | PH0 — GPIO / ETH GTXCK |
| Pin 135 | PH1 — GPIO / ETH GTXEN |
| Pin 136 | PH2 — GPIO / ETH GTX0 |
| Pin 137 | PH3 — GPIO / ETH GTX1 |
| Pin 138 | PH4 — GPIO / ETH GRXDV |
| Pin 139 | PH5 — GPIO / ETH GRX0 |
| Pin 140 | PH6 — GPIO / ETH GRX1 |
| Pin 141 | PH7 — GPIO / ETH GRXER |
| Pin 142 | PH8 — GPIO / ETH MDC |
| Pin 143 | PH9 — GPIO / ETH MDIO |
| Pin 144 | JTAGSEL — JTAG selection (tie to VDDCORE for JTAG, GND for SWD) |
Typische Anwendungen
ATSAMS70Q20A-AN ist geeignet für 6 Anwendungs: 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.
Empfohlen
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.
Empfohlen
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.
Empfohlen
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.
Empfohlen
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.
Empfohlen
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.
Empfohlen
Zusammenfassung der empfohlenen Produkte
Technische Referenzdaten für ATSAMS70Q20A-AN – Vergleich, Designhinweise und Compliance-Informationen.
Auswahlhilfe
Vergleich mit Alternativen
| Parameter | Dieses Produkt | 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 |
Wichtigste Unterscheidungsmerkmale
- 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)
Designhinweise
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.
Compliance-Informationen
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'.
