ATSAMS70Q20A-AN - 300MHz Cortex-M7 MCU, 1MB Flash | Microchip
MPN: ATSAMS70Q20A-AN ✓ AktifATSAMS70Q20A-AN Ringkasan
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.
Alternatif penggantian untuk ATSAMS70Q20A-AN — paket yang sama, pin-pada-pin kompatibel. Bagian paket yang berbeda memerlukan kerja ulang PCB diabaikan.
Variasi di dalam seri ini
Model-series yang sama yang kompatibel dengan penggantian ATSAMS70Q20A-AN (sama faktor bentuk dan footprint) — berbeda di dalam ADC, Package, Ethernet, Operating Temperature, Core.
ATSAME70Q20A-AN
✅ Drop-In📋 Alternatif referensi (tidak dalam katalog)
ATSAMS70Q20A-ANT
✅ Drop-In📋 Alternatif referensi (tidak dalam katalog)
ATSAME70Q20A-ANT
✅ Drop-In📋 Alternatif referensi (tidak dalam katalog)
ATSAME70Q21B-AN
✅ Drop-InKontak untuk harga
Lihat Datasheet →ATSAME70Q21A-CNT
✅ Drop-InKontak untuk harga
Lihat Datasheet →ATSAME70N20A-AN
✅ Drop-InKontak untuk harga
Lihat Datasheet →ATSAMS70Q20A-AN Rating Maksimal & Karakteristik Listrik
| Core | ARM Cortex-M7 with FPU (single + double precision) |
| Frekuensi Bawah Maximum | 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 |
| Paket | 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 |
| Suhu Kerja | -40C to +105C |
| Status RoHS | Compliant |
| CoreMark Score | 1500 |
Konfigurasi Pin ATSAMS70Q20A-AN
| Pin produk 1 | VDDIO — I/O supply voltage (3.3 V nominal) |
| Pin produk 2 | PA0 — GPIO / AFEC AD0 / PWM0 |
| Pin produk 3 | PA1 — GPIO / AFEC AD1 / PWM1 |
| Pin produk 4 | PA2 — GPIO / AFEC AD2 |
| Pin produk 5 | PA3 — GPIO / AFEC AD3 |
| Pin produk 6 | PA4 — GPIO / AFEC AD4 |
| Pin produk 7 | PA5 — GPIO / AFEC AD5 |
| Pin produk 8 | GND — Common ground |
| Pin produk 9 | PA6 — GPIO / AFEC AD6 |
| Pin produk 10 | PA7 — GPIO / AFEC AD7 |
| Pin produk 11 | PA8 — GPIO / PWM0 |
| Pin produk 12 | PA9 — GPIO / URXD0 |
| Pin produk 13 | PA10 — GPIO / UTXD0 |
| Pin produk 14 | PA11 — GPIO / UDP (USB HS) |
| Pin produk 15 | PA12 — GPIO / UDM (USB HS) |
| Pin produk 16 | PA13 — GPIO / TWD (I2C0) |
| Pin produk 17 | PA14 — GPIO / TWCK (I2C0) |
| Pin produk 18 | VDDCORE — Core supply (1.2 V) |
| Pin produk 19 | GND — Common ground |
| Pin produk 20 | XIN — 12 MHz crystal input |
| Pin produk 21 | XOUT — 12 MHz crystal output |
| Pin produk 22 | NRST — Reset (active low) |
| Pin produk 23 | TMS — JTAG test mode select |
| Pin produk 24 | TCK — JTAG test clock |
| Pin produk 25 | TDO — JTAG test data out |
| Pin produk 26 | TDI — JTAG test data in |
| Pin produk 27 | SWDIO — Serial wire debug I/O |
| Pin produk 28 | SWCLK — Serial wire clock |
| Pin produk 29 | PB0 — GPIO / EBI D0 |
| Pin produk 30 | PB1 — GPIO / EBI D1 |
| Pin produk 31 | PB2 — GPIO / EBI D2 |
| Pin produk 32 | PB3 — GPIO / EBI D3 |
| Pin produk 33 | PB4 — GPIO / EBI D4 |
| Pin produk 34 | PB5 — GPIO / EBI D5 |
| Pin produk 35 | PB6 — GPIO / EBI D6 |
| Pin produk 36 | PB7 — GPIO / EBI D7 |
| Pin produk 37 | PB8 — GPIO / EBI D8 |
| Pin produk 38 | PB9 — GPIO / EBI D9 |
| Pin produk 39 | PB10 — GPIO / EBI D10 |
| Pin produk 40 | PB11 — GPIO / EBI D11 |
| Pin produk 41 | PB12 — GPIO / EBI D12 |
| Pin produk 42 | PB13 — GPIO / EBI D13 |
| Pin produk 43 | PB14 — GPIO / EBI D14 |
| Pin produk 44 | PB15 — GPIO / EBI D15 |
| Pin produk 45 | VDDIO — I/O supply voltage |
| Pin produk 46 | GND — Common ground |
| Pin produk 47 | PC0 — GPIO / EBI A0 / NCS0 |
| Pin produk 48 | PC1 — GPIO / EBI A1 / NCS1 |
| Pin produk 49 | PC2 — GPIO / EBI A2 / NCS2 |
| Pin produk 50 | PC3 — GPIO / EBI A3 / NCS3 |
| Pin produk 51 | PC4 — GPIO / EBI A4 |
| Pin produk 52 | PC5 — GPIO / EBI A5 |
| Pin produk 53 | PC6 — GPIO / EBI A6 |
| Pin produk 54 | PC7 — GPIO / EBI A7 |
| Pin produk 55 | PC8 — GPIO / EBI NRD |
| Pin produk 56 | PC9 — GPIO / EBI NWE |
| Pin produk 57 | PC10 — GPIO / EBI NCS0 |
| Pin produk 58 | PC11 — GPIO / EBI NCS1 |
| Pin produk 59 | PC12 — GPIO / EBI NCS2 |
| Pin produk 60 | PC13 — GPIO / EBI NCS3 |
| Pin produk 61 | PC14 — GPIO / EBI NCS4 |
| Pin produk 62 | PC15 — GPIO / EBI NCS5 |
| Pin produk 63 | VDDIO — I/O supply voltage |
| Pin produk 64 | GND — Common ground |
| Pin produk 65 | PD0 — GPIO / EBI D16 |
| Pin produk 66 | PD1 — GPIO / EBI D17 |
| Pin produk 67 | PD2 — GPIO / EBI D18 |
| Pin produk 68 | PD3 — GPIO / EBI D19 |
| Pin produk 69 | PD4 — GPIO / EBI D20 |
| Pin produk 70 | PD5 — GPIO / EBI D21 |
| Pin produk 71 | PD6 — GPIO / EBI D22 |
| Pin produk 72 | PD7 — GPIO / EBI D23 |
| Pin produk 73 | PD8 — GPIO / EBI D24 |
| Pin produk 74 | PD9 — GPIO / EBI D25 |
| Pin produk 75 | PD10 — GPIO / EBI D26 |
| Pin produk 76 | PD11 — GPIO / EBI D27 |
| Pin produk 77 | PD12 — GPIO / EBI D28 |
| Pin produk 78 | PD13 — GPIO / EBI D29 |
| Pin produk 79 | PD14 — GPIO / EBI D30 |
| Pin produk 80 | PD15 — GPIO / EBI D31 |
| Pin produk 81 | VDDCORE — Core supply (1.2 V) |
| Pin produk 82 | GND — Common ground |
| Pin produk 83 | PE0 — GPIO / PWM0 |
| Pin produk 84 | PE1 — GPIO / PWM1 |
| Pin produk 85 | PE2 — GPIO / PWM2 |
| Pin produk 86 | PE3 — GPIO / PWM3 |
| Pin produk 87 | PE4 — GPIO / CANRX0 |
| Pin produk 88 | PE5 — GPIO / CANTX0 |
| Pin produk 89 | PE6 — GPIO / CANRX1 |
| Pin produk 90 | PE7 — GPIO / CANTX1 |
| Pin produk 91 | PE8 — GPIO / I2S0 MCK |
| Pin produk 92 | PE9 — GPIO / I2S0 CK |
| Pin produk 93 | PE10 — GPIO / I2S0 WS |
| Pin produk 94 | PE11 — GPIO / I2S0 DIN |
| Pin produk 95 | PE12 — GPIO / I2S0 DOUT |
| Pin produk 96 | VDDIO — I/O supply voltage |
| Pin produk 97 | GND — Common ground |
| Pin produk 98 | PF0 — GPIO / I2S1 MCK |
| Pin produk 99 | PF1 — GPIO / I2S1 CK |
| Pin produk 100 | PF2 — GPIO / I2S1 WS |
| Pin produk 101 | PF3 — GPIO / I2S1 DIN |
| Pin produk 102 | PF4 — GPIO / I2S1 DOUT |
| Pin produk 103 | PF5 — GPIO / ISI D0 |
| Pin produk 104 | PF6 — GPIO / ISI D1 |
| Pin produk 105 | PF7 — GPIO / ISI D2 |
| Pin produk 106 | PF8 — GPIO / ISI D3 |
| Pin produk 107 | PF9 — GPIO / ISI D4 |
| Pin produk 108 | PF10 — GPIO / ISI D5 |
| Pin produk 109 | PF11 — GPIO / ISI D6 |
| Pin produk 110 | PF12 — GPIO / ISI D7 |
| Pin produk 111 | PF13 — GPIO / ISI PCLK |
| Pin produk 112 | PF14 — GPIO / ISI VSYNC |
| Pin produk 113 | PF15 — GPIO / ISI HSYNC |
| Pin produk 114 | VDDIO — I/O supply voltage |
| Pin produk 115 | GND — Common ground |
| Pin produk 116 | PG0 — GPIO / LCD DAT0 |
| Pin produk 117 | PG1 — GPIO / LCD DAT1 |
| Pin produk 118 | PG2 — GPIO / LCD DAT2 |
| Pin produk 119 | PG3 — GPIO / LCD DAT3 |
| Pin produk 120 | PG4 — GPIO / LCD DAT4 |
| Pin produk 121 | PG5 — GPIO / LCD DAT5 |
| Pin produk 122 | PG6 — GPIO / LCD DAT6 |
| Pin produk 123 | PG7 — GPIO / LCD DAT7 |
| Pin produk 124 | PG8 — GPIO / LCD DAT8 |
| Pin produk 125 | PG9 — GPIO / LCD DAT9 |
| Pin produk 126 | PG10 — GPIO / LCD DAT10 |
| Pin produk 127 | PG11 — GPIO / LCD DAT11 |
| Pin produk 128 | PG12 — GPIO / LCD DAT12 |
| Pin produk 129 | PG13 — GPIO / LCD DAT13 |
| Pin produk 130 | PG14 — GPIO / LCD DAT14 |
| Pin produk 131 | PG15 — GPIO / LCD DAT15 |
| Pin produk 132 | VDDCORE — Core supply (1.2 V) |
| Pin produk 133 | GND — Common ground |
| Pin produk 134 | PH0 — GPIO / ETH GTXCK |
| Pin produk 135 | PH1 — GPIO / ETH GTXEN |
| Pin produk 136 | PH2 — GPIO / ETH GTX0 |
| Pin produk 137 | PH3 — GPIO / ETH GTX1 |
| Pin produk 138 | PH4 — GPIO / ETH GRXDV |
| Pin produk 139 | PH5 — GPIO / ETH GRX0 |
| Pin produk 140 | PH6 — GPIO / ETH GRX1 |
| Pin produk 141 | PH7 — GPIO / ETH GRXER |
| Pin produk 142 | PH8 — GPIO / ETH MDC |
| Pin produk 143 | PH9 — GPIO / ETH MDIO |
| Pin produk 144 | JTAGSEL — JTAG selection (tie to VDDCORE for JTAG, GND for SWD) |
Aplikasi Umum
ATSAMS70Q20A-AN cocok untuk 6 aplikasis: 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.
Direkomendasikan
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.
Direkomendasikan
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.
Direkomendasikan
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.
Direkomendasikan
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.
Direkomendasikan
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.
Direkomendasikan
Ringkasan Produk Direkomendasikan
Data referensi engineering untuk ATSAMS70Q20A-AN — pembandingan, panduan desain, dan informasi konformitas.
Panduan Pemilihan
Pembandingan dengan Alternatif
| Parameter Umum | Produk Ini | 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 |
Diferensiator Kunci
- Same-family Ethernet-focused drop-in alternative (vsATSAME70Q20A-AN)
- Higher Flash option at same package (vsATSAME70Q21B-AN)
- Same-die tape-and-reel variant (vsATSAMS70Q20A-ANT)
Catatan Desain
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.
Informasi Konformitas
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'.
