ATSAME70N20A-ANT - 300MHz Cortex-M7 MCU 1MB Flash | Microchip
MPN: ATSAME70N20A-ANT ✓ AktifATSAME70N20A-ANT Ringkasan
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, memory, and programmable peripherals. The ARM Cortex-M7 is the highest-performance member of the Cortex-M processor family, adding a superscalar pipeline, branch prediction, and optional double-precision FPU. MCUs sit at the top of the embedded computing hierarchy (MCU -> embedded processor -> semiconductor IC) and serve as the central controller in nearly every modern electronic product, from consumer appliances to industrial drives.
Key specifications include a 300 MHz maximum CPU clock, 16 KB instruction cache plus 16 KB data cache, single-precision and double-precision FPU, and Memory Protection Unit (MPU). The peripheral set includes a High-Speed USB Host/Device with PHY, CAN-FD, Ethernet MAC, HS SDCard/SDIO, image sensor interface, and a 2D graphical accelerator (AFEC and DAC variants vary by family member). The device operates from 1.62 V to 3.6 V and is rated -40 C to +105 C industrial.
Architecturally, the SAM E70 integrates tightly coupled memory for deterministic interrupt latency, a multi-layer bus matrix for simultaneous DMA and CPU access, and a Pixel Copy accelerator that offloads rectangular memory-to-memory blits. These blocks make the part especially well-suited to display, audio, and motor-control subsystems where deterministic response and parallel throughput matter.
Typical applications include industrial HMI panels with TFT displays, audio amplifiers and DSP front-ends, building-automation controllers, motor-control inverters, and graphical data-logging instruments. The on-chip 2D graphics accelerator plus image-sensor interface also enables barcode scanners, biometric terminals, and small-format machine-vision front-ends.
Designers should plan the external bus interface carefully: SDRAM and QSPI traces require length-matched routing and a 4-layer stack-up to meet the 150 MHz EBI clock. Use the brown-out detector and watchdog timer at reset for safety-critical firmware boot paths, and follow the errata sheet during revision-A silicon.
This page consolidates distributor pricing, drop-in alternative listings, and practical design notes that go beyond the manufacturer datasheet - including cross-reference analysis versus the SAM S70 and SAM V71 family siblings and an LQFP-100 footprint reuse discussion for designers migrating from earlier Atmel SAM3/SAM4 designs.
Alternatif penggantian untuk ATSAME70N20A-ANT — 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 ATSAME70N20A-ANT (sama faktor bentuk dan footprint) — berbeda di dalam Ethernet, USB, Operating Temperature, Package, External Bus Interface.
ATSAME70N19B-AN
✅ Drop-InKontak untuk harga
Lihat Datasheet →ATSAME70J20B-AN
✅ Drop-InKontak untuk harga
Lihat Datasheet →ATSAME70J19B-AN
✅ Drop-InKontak untuk harga
Lihat Datasheet →ATSAME70J19B-ANT
✅ Drop-InKontak untuk harga
Lihat Datasheet →ATSAME70J19A-ANT
✅ Drop-InKontak untuk harga
Lihat Datasheet →ATSAME70J21A-ANT
✅ Drop-InKontak untuk harga
Lihat Datasheet →ATSAME70N20A-ANT Rating Maksimal & Karakteristik Listrik
| Core | ARM Cortex-M7 with FPU |
| CPU Architecture | 32-bit RISC, superscalar with branch prediction |
| Maximum CPU Clock | 300 MHz |
| FPU | Single-precision and double-precision |
| Flash Memory | 1 MB (1M x 8) |
| SRAM | 384 KB |
| Instruction Cache | 16 KB |
| Data Cache | 16 KB |
| Memory Protection Unit | Yes |
| Tegangan Pemuat | 1.62 V to 3.6 V |
| Suhu Kerja | -40 C to +105 C |
| Paket | 100-LQFP (14x14 mm) |
| Tipe Mounting | Surface Mount |
| USB | High-Speed USB Host/Device with on-chip PHY |
| Ethernet | 10/100 Mbps MAC (GMII/RMII) |
| CAN | CAN-FD |
| Graphics Accelerator | 2D Pixel Copy engine |
| Image Sensor Interface | Yes (12-bit ITU-R BT.601/656) |
| External Bus Interface | EBI up to 150 MHz (SDRAM, NAND, NOR) |
| Status RoHS | Compliant |
Konfigurasi Pin ATSAME70N20A-ANT
| Pin produk 1 | VDDIO — I/O supply voltage |
| Pin produk 2 | PD0 — GPIO / EBI data |
| Pin produk 3 | PD1 — GPIO / EBI data |
| Pin produk 4 | PD2 — GPIO / EBI data |
| Pin produk 5 | PD3 — GPIO / EBI data |
| Pin produk 6 | PD4 — GPIO / EBI data |
| Pin produk 7 | PD5 — GPIO / EBI data |
| Pin produk 8 | PD6 — GPIO / EBI data |
| Pin produk 9 | PD7 — GPIO / EBI data |
| Pin produk 10 | VDDCORE — Core voltage regulator output (decouple with 1 uF + 100 nF) |
| Pin produk 11 | VSS — Ground |
| Pin produk 12 | PA0 — GPIO |
| Pin produk 13 | PA1 — GPIO |
| Pin produk 14 | PA2 — GPIO |
| Pin produk 15 | PA3 — GPIO |
| Pin produk 16 | PA4 — GPIO |
| Pin produk 17 | PA5 — GPIO |
| Pin produk 18 | PA6 — GPIO |
| Pin produk 19 | PA7 — GPIO |
| Pin produk 20 | PA8 — GPIO |
| Pin produk 21 | PA9 — GPIO |
| Pin produk 22 | PA10 — GPIO |
| Pin produk 23 | PA11 — GPIO / USB DM |
| Pin produk 24 | PA12 — GPIO / USB DP |
| Pin produk 25 | PA13 — GPIO |
| Pin produk 26 | PA14 — GPIO |
| Pin produk 27 | PA15 — GPIO |
| Pin produk 28 | PA16 — GPIO |
| Pin produk 29 | PA17 — GPIO |
| Pin produk 30 | PA18 — GPIO |
| Pin produk 31 | PA19 — GPIO |
| Pin produk 32 | PA20 — GPIO |
| Pin produk 33 | PA21 — GPIO |
| Pin produk 34 | PA22 — GPIO |
| Pin produk 35 | PA23 — GPIO |
| Pin produk 36 | VDDIO — I/O supply voltage |
| Pin produk 37 | PB0 — GPIO |
| Pin produk 38 | PB1 — GPIO |
| Pin produk 39 | PB2 — GPIO |
| Pin produk 40 | PB3 — GPIO |
| Pin produk 41 | PB4 — GPIO |
| Pin produk 42 | PB5 — GPIO |
| Pin produk 43 | PB6 — GPIO |
| Pin produk 44 | PB7 — GPIO |
| Pin produk 45 | PB8 — GPIO |
| Pin produk 46 | PB9 — GPIO |
| Pin produk 47 | PB10 — GPIO |
| Pin produk 48 | PB11 — GPIO |
| Pin produk 49 | PB12 — GPIO |
| Pin produk 50 | PB13 — GPIO |
| Pin produk 51 | PB14 — GPIO |
| Pin produk 52 | PB15 — GPIO |
| Pin produk 53 | PB16 — GPIO |
| Pin produk 54 | PB17 — GPIO |
| Pin produk 55 | PB18 — GPIO |
| Pin produk 56 | PB19 — GPIO |
| Pin produk 57 | PB20 — GPIO |
| Pin produk 58 | PB21 — GPIO |
| Pin produk 59 | PB22 — GPIO |
| Pin produk 60 | PB23 — GPIO |
| Pin produk 61 | PB24 — GPIO |
| Pin produk 62 | PB25 — GPIO |
| Pin produk 63 | PB26 — GPIO |
| Pin produk 64 | PB27 — GPIO |
| Pin produk 65 | PC0 — GPIO |
| Pin produk 66 | PC1 — GPIO |
| Pin produk 67 | PC2 — GPIO |
| Pin produk 68 | PC3 — GPIO |
| Pin produk 69 | PC4 — GPIO |
| Pin produk 70 | PC5 — GPIO |
| Pin produk 71 | PC6 — GPIO |
| Pin produk 72 | PC7 — GPIO |
| Pin produk 73 | PC8 — GPIO |
| Pin produk 74 | PC9 — GPIO |
| Pin produk 75 | PC10 — GPIO |
| Pin produk 76 | PC11 — GPIO |
| Pin produk 77 | PC12 — GPIO |
| Pin produk 78 | PC13 — GPIO |
| Pin produk 79 | PC14 — GPIO |
| Pin produk 80 | PC15 — GPIO |
| Pin produk 81 | PC16 — GPIO |
| Pin produk 82 | PC17 — GPIO |
| Pin produk 83 | PC18 — GPIO |
| Pin produk 84 | PC19 — GPIO |
| Pin produk 85 | PC20 — GPIO |
| Pin produk 86 | PC21 — GPIO |
| Pin produk 87 | PC22 — GPIO |
| Pin produk 88 | PC23 — GPIO |
| Pin produk 89 | PC24 — GPIO |
| Pin produk 90 | PC25 — GPIO |
| Pin produk 91 | PC26 — GPIO |
| Pin produk 92 | PC27 — GPIO |
| Pin produk 93 | PC28 — GPIO |
| Pin produk 94 | PC29 — GPIO |
| Pin produk 95 | PC30 — GPIO |
| Pin produk 96 | PC31 — GPIO |
| Pin produk 97 | NRST — Reset input (active low) |
| Pin produk 98 | TST — Test mode (leave floating or tie to VDDIO) |
| Pin produk 99 | VDDPLL — PLL supply (decouple with 1 uF + 100 nF) |
| Pin produk 100 | VSS — Ground |
Aplikasi Umum
ATSAME70N20A-ANT cocok untuk 6 aplikasis: Industrial HMI Touch Panels, Motor Control and Inverters, Audio Amplifiers and DSP Front-Ends, Building Automation Controllers, Barcode Scanners and Biometric Terminals, Graphical Data-Logging Instruments.
Industrial HMI Touch Panels
The ATSAME70N20A-ANT is well matched to industrial HMI touch panels because its 300 MHz Cortex-M7 with double-precision FPU renders responsive UI animations while the 2D Pixel Copy accelerator offloads rectangular block transfers to free the CPU for touch debounce and Modbus/TCP handling. The 1 MB Flash accommodates full LVGL or Embedded Wizard graphical stacks plus bootloader and OTA partition, while 384 KB SRAM provides headroom for framebuffer double-buffering at common 480x272 and 800x480 TFT resolutions. Designers typically route the EBI bus to a 4-layer PCB to drive SDRAM-backed framebuffers at the 150 MHz EBI clock. Industrial -40 C to +105 C rating supports factory-floor enclosures without additional thermal management.
Direkomendasikan
Motor Control and Inverters
The ATSAME70N20A-ANT is a strong fit for three-phase motor control inverters because the 300 MHz Cortex-M7 with FPU runs field-oriented control (FOC) loops at PWM frequencies up to 20 kHz with margin for sensorless observers. The PWM peripheral with dead-time insertion and the AFEC (analog front-end controller) deliver synchronized current sampling within 1 PWM cycle, while the Cortex-M7 deterministic interrupt latency keeps torque ripple low. The 384 KB SRAM holds full state-space observer arrays and lookup tables, and 1 MB Flash accommodates both application code and self-test libraries. Industrial temperature rating and CAN-FD connectivity simplify integration into multi-axis industrial drives.
Direkomendasikan
Audio Amplifiers and DSP Front-Ends
The ATSAME70N20A-ANT suits networked audio amplifiers because the Cortex-M7 DSP extensions and double-precision FPU execute biquad filters, mixers, and limiter algorithms in real time at 48 kHz sample rate with substantial CPU headroom. The I2S peripheral connects directly to Class-D amplifier codecs and DACs, while 384 KB SRAM stages multi-channel audio buffers without dropping samples. Ethernet MAC plus the High-Speed USB with on-chip PHY enable Dante, AVB, or USB audio streaming without external bridge chips. The 1 MB Flash hosts protocol stacks and OEM firmware with space remaining for safe firmware update partitions.
Direkomendasikan
Building Automation Controllers
The ATSAME70N20A-ANT integrates cleanly into building automation controllers because Ethernet MAC, CAN-FD, and multiple UART/USART interfaces handle BACnet/IP, Modbus, and KNX/TP simultaneously without external bridge ICs. The 300 MHz Cortex-M7 executes control logic, scheduling, and web server stacks concurrently, while 1 MB Flash stores encrypted firmware images and 384 KB SRAM supports TLS session buffers. Industrial temperature rating ensures reliable operation in unheated electrical closets. Designers benefit from LQFP-100 hand-solderability during prototyping and field service.
Direkomendasikan
Barcode Scanners and Biometric Terminals
The ATSAME70N20A-ANT enables compact barcode scanners and biometric terminals because the on-chip image sensor interface accepts 12-bit parallel ITU-R BT.656 sensor data at video rates, and the Cortex-M7 plus 384 KB SRAM run JPEG encoding or fingerprint minutia extraction in real time. The 2D Pixel Copy engine accelerates image rotation and overlay composition for the local preview display, while the High-Speed USB Device port streams decoded data to a host PC. 1 MB Flash fits both the imaging library and the cryptographic stack for secure biometric templates. Industrial -40 C to +105 C range supports outdoor kiosks.
Direkomendasikan
Graphical Data-Logging Instruments
The ATSAME70N20A-ANT is well suited to portable graphical data loggers because 1 MB Flash holds waveform capture firmware plus user interface assets, and 384 KB SRAM stages ADC sample bursts from the AFEC at rates up to 1 Msps. The TFT LCD interface via EBI drives 320x240 to 800x480 displays directly, and the 2D Pixel Copy engine accelerates trace plot redraws. USB Device and SD Card peripherals simplify data offload to a PC, while the Cortex-M7 FPU performs on-the-fly RMS, FFT, and statistical calculations. Industrial temperature rating supports outdoor field instrumentation.
Direkomendasikan
Ringkasan Produk Direkomendasikan
Data referensi engineering untuk ATSAME70N20A-ANT — pembandingan, panduan desain, dan informasi konformitas.
Panduan Pemilihan
Pembandingan dengan Alternatif
| Parameter Umum | Produk Ini | ATSAME70N19B-AN | ATSAME70J20B-AN | ATSAME70J19B-AN | ATSAME70J21A-ANT | ATSAME70J19A-ANT |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 100-LQFP (14x14 mm) | 100-LQFP (14x14 mm) - same | 100-LQFP (14x14 mm) - same | 100-LQFP (14x14 mm) - same | 100-LQFP (14x14 mm) - same | 100-LQFP (14x14 mm) - same |
| Core | ARM Cortex-M7 with FPU | ARM Cortex-M7 with FPU | ARM Cortex-M7 with FPU | ARM Cortex-M7 with FPU | ARM Cortex-M7 with FPU | ARM Cortex-M7 with FPU |
| Maximum CPU Clock | 300 MHz | 300 MHz | 300 MHz | 300 MHz | 300 MHz | 300 MHz |
| Flash Memory | 1 MB | 512 KB | 1 MB | 512 KB | 2 MB | 512 KB |
| SRAM | 384 KB | 256 KB | 384 KB | 256 KB | 384 KB | 256 KB |
| FPU | Single + double precision | Single + double precision | Single + double precision | Single + double precision | Single + double precision | Single + double precision |
| Ethernet MAC | Yes (10/100 Mbps) | Yes (10/100 Mbps) | No | No | No | No |
| Operating Temperature | -40 C to +105 C | -40 C to +105 C | -40 C to +105 C | -40 C to +105 C | -40 C to +105 C | -40 C to +105 C |
| Approx. 1-piece Price (USD) | 12.38 | 10.50 | 9.80 | 8.90 | 14.20 | 8.50 |
Diferensiator Kunci
- Highest Flash density in the J-series LQFP-100 family (vsATSAME70J19B-ANT)
- Includes Ethernet MAC absent from J-series variants (vsATSAME70J20B-AN)
- Full SAM E70 peripheral set including CAN-FD (vsATSAME70N19B-AN)
Catatan Desain
Decouple VDDCORE with a 1 uF X7R ceramic plus a 100 nF X7R placed within 3 mm of the pin. According to the Microchip SAM E70 datasheet, the internal voltage regulator requires both bulk and high-frequency capacitance to suppress transient droops during 300 MHz core clock transitions. Add a similar pair (4.7 uF + 100 nF) on each VDDIO pin to keep I/O switching noise from coupling into the analog supply. Estimated core current at full 300 MHz Dhrystone load is around 80-100 mA; budget the 3.3 V LDO for at least 200 mA to handle peak I/O switching.
Route the EBI bus to SDRAM with matched trace lengths within 50 mil (1.27 mm) and use a 4-layer stack-up with a continuous ground plane beneath the bus traces. The 150 MHz EBI clock on the SAM E70 family is sensitive to impedance discontinuities; a 50 ohm single-ended trace impedance with series 22 ohm damping resistors near the SAM E70 pads reduces overshoot. Keep the 32.768 kHz low-frequency crystal traces short and surrounded by ground pour to minimize noise pickup on the PLL reference.
Always check the SAM E70 silicon revision-A errata sheet before committing to production. Common revision-A bugs include USB Host suspend/resume glitches and I2S frame-sync edge selection - both are corrected in revision B and later. According to Microchip, marking on the package indicates the silicon revision. Hold the TST pin floating or tied to VDDIO for normal operation; pulling TST low at reset enters boundary-scan mode and prevents application boot.
Estimated: at maximum 300 MHz CPU load with all peripherals enabled, the SAM E70 junction temperature rises roughly 30 C above ambient on a 4-layer JEDEC EIA/JESD51 test board. The LQFP-100 package has thermal resistance in the 35-45 C/W range (theta_JA), so for industrial +105 C ambient operation, consider reducing CPU clock to 200 MHz or adding a small copper heatsink pad beneath the package exposed pad area.
Place the High-Speed USB PHY 90-ohm differential pair with intra-pair length matching within 150 mil (3.81 mm) and route over a continuous ground plane. The DM/DP traces on PA11/PA12 must not cross any digital switching signals to maintain USB 2.0 High-Speed signal integrity. Add a 47 nF AC-coupling capacitor on each data line as required by the USB 2.0 specification. For Ethernet RMII to an external PHY, keep the 50 MHz reference clock trace under 25 mm and source-terminate if longer.
Informasi Konformitas
RoHS and REACH compliance per Microchip product page. The ATSAME70N20A-ANT is not AEC-Q100 qualified; for automotive applications requiring qualification, consider the SAM V71 family or dedicated automotive-grade MCUs.
