ATSAME70J20A-ANT - 300MHz Cortex-M7 MCU 1MB Flash 64-LQFP
MPN: ATSAME70J20A-ANT ✓ AktifATSAME70J20A-ANT Ringkasan
What is a Cortex-M7 microcontroller? The ARM Cortex-M7 is a high-end 32-bit microcontroller core featuring a 6-stage superscalar pipeline with branch prediction, single-precision and double-precision floating-point unit (FPU), and tightly-coupled memory (TCM) for deterministic latency. The SAM E70 series extends the Cortex-M7 with Microchip's proprietary peripheral set, on-chip high-speed USB 2.0 PHY, 12-bit ADC up to 2 Msps, and an integrated 10/100 Ethernet MAC with IEEE 1588 PTP hardware support. This hierarchy places the part above Cortex-M4 controllers and below Cortex-A application processors in performance and integration.
Key specifications include 300 MHz core with 600 DMIPS and 1284 CoreMark performance, 1 MB Flash with ECC, 384 KB SRAM, an external bus interface for SDRAM, and a high-speed USB 2.0 PHY supporting Device, Host, and OTG modes. The 12-bit ADC provides up to 24 channels and 2 Msps conversion rate, while the HSMCI interface supports SD/SDHC cards. The integrated EMAC with 1588 PTP makes the device especially attractive for industrial Ethernet and motor-control protocols.
The architecture couples the Cortex-M7 core to an AHB/APB matrix with multi-layer bus arbitration, allowing simultaneous DMA-driven Ethernet, USB, and HSMCI transfers without CPU intervention. Hardware cryptography (AES, TRNG) and a Secure Bootloader enable tamper-resistant firmware. The on-chip FPU and DSP extensions accelerate audio codecs, motor-control loops, and sensor fusion at very low power.
Typical applications include industrial Ethernet gateways, PLC and motor-control servo drives, automotive infotainment and ADAS sensor hubs, medical patient monitors, and connected IoT edge nodes. The combination of LQFP-64 footprint and broad peripheral set also makes it a drop-in upgrade for designs previously built around Cortex-M4 devices.
When designing with this part, allocate the 64-LQFP ground pins properly to maintain signal integrity on the high-speed USB and Ethernet pairs. The 1.2V internal core regulator requires an external 1uF decoupling capacitor; placing it within 3 mm of the VCORE pin reduces startup jitter and improves EMC performance.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
Alternatif penggantian untuk ATSAME70J20A-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 ATSAME70J20A-ANT (sama faktor bentuk dan footprint) — berbeda di dalam Ethernet, Operating Temperature, Core Architecture, SRAM, ADC.
ATSAME70J19B-ANT
✅ Drop-InKontak untuk harga
Lihat Datasheet →ATSAME70J19A-ANT
✅ Drop-InKontak untuk harga
Lihat Datasheet →ATSAMS70J20A-ANT
✅ Drop-In📋 Alternatif referensi (tidak dalam katalog)
ATSAMS70J19A-AN
✅ Drop-InKontak untuk harga
Lihat Datasheet →ATSAME70J20A-ANT Rating Maksimal & Karakteristik Listrik
| Core Architecture | ARM Cortex-M7 |
| CPU Bit Width | 32-bit |
| Maximum CPU Frequency | 300 MHz |
| FPU | Single + Double Precision IEEE 754 |
| Program Flash | 1024 KB (1 MB) |
| SRAM | 384 KB |
| Operating Voltage (VDDIO) | 3.3 V |
| Operating Voltage (VDDCORE) | 1.2 V |
| Paket | 64-LQFP (10x10 mm) |
| Jumlah Pin | 64 |
| Temperature Grade | Industrial (-40C to +85C) |
| Tipe Mounting | Surface Mount |
| Level MSL | 3 (168 hours) |
| Status RoHS | Compliant |
| Packaging | Tape & Reel |
| USB Interface | USB 2.0 High-Speed PHY (Device/Host/OTG) |
| Ethernet | 10/100 MAC with 1588 PTP |
| CAN-FD | Yes |
| ADC | 12-bit, up to 24 channels, up to 2 Msps |
| AES / TRNG | Hardware AES 256-bit + True Random Number Generator |
Konfigurasi Pin ATSAME70J20A-ANT
| Pin produk 1 | PB0 — GPIO/TC0_TIO2/PCK0 |
| Pin produk 2 | PB1 — GPIO/TC0_TIO3 |
| Pin produk 3 | PB2 — GPIO/TC0_TIO4 |
| Pin produk 4 | PB3 — GPIO/TC0_TIO5 |
| Pin produk 5 | VDDOUT — Voltage regulator output (1.2V) |
| Pin produk 6 | VDDIO — I/O supply (3.3V) |
| Pin produk 7 | GND — Ground |
| Pin produk 8 | VDDCORE — Core supply (1.2V) |
| Pin produk 9 | XIN — Crystal oscillator input |
| Pin produk 10 | XOUT — Crystal oscillator output |
| Pin produk 11 | NRST — Active-low reset input |
| Pin produk 12 | PA0 — GPIO/WKUP0 |
| Pin produk 13 | PA1 — GPIO/WKUP1 |
| 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 | VDDIO — I/O supply (3.3V) |
| Pin produk 21 | GND — Ground |
| Pin produk 22 | PA8 — GPIO |
| Pin produk 23 | PA9 — GPIO/URXD0 |
| Pin produk 24 | PA10 — GPIO/UTXD0 |
| Pin produk 25 | PA11 — GPIO |
| Pin produk 26 | PA12 — GPIO |
| Pin produk 27 | PA13 — GPIO |
| Pin produk 28 | PA14 — GPIO |
| Pin produk 29 | PA15 — GPIO |
| Pin produk 30 | VDDIO — I/O supply (3.3V) |
| Pin produk 31 | GND — Ground |
| Pin produk 32 | PA16 — GPIO |
| Pin produk 33 | PA17 — GPIO |
| Pin produk 34 | PA18 — GPIO |
| Pin produk 35 | PA19 — GPIO |
| Pin produk 36 | PA20 — GPIO |
| Pin produk 37 | PA21 — GPIO |
| Pin produk 38 | PB4 — GPIO |
| Pin produk 39 | PB5 — GPIO |
| Pin produk 40 | PB6 — GPIO |
| Pin produk 41 | PB7 — GPIO |
| Pin produk 42 | PB8 — GPIO |
| Pin produk 43 | PB9 — GPIO |
| Pin produk 44 | VDDIO — I/O supply (3.3V) |
| Pin produk 45 | GND — Ground |
| Pin produk 46 | PB10 — GPIO |
| Pin produk 47 | PB11 — GPIO |
| Pin produk 48 | PB12 — GPIO |
| Pin produk 49 | PB13 — GPIO |
| Pin produk 50 | PB14 — GPIO |
| Pin produk 51 | VDDCORE — Core supply (1.2V) |
| Pin produk 52 | PC0 — GPIO |
| Pin produk 53 | PC1 — GPIO |
| Pin produk 54 | PC2 — GPIO |
| Pin produk 55 | PC3 — GPIO |
| Pin produk 56 | PC4 — GPIO |
| Pin produk 57 | PC5 — GPIO |
| Pin produk 58 | PC6 — GPIO |
| Pin produk 59 | PC7 — GPIO |
| Pin produk 60 | GND — Ground |
| Pin produk 61 | PC8 — GPIO |
| Pin produk 62 | PC9 — GPIO |
| Pin produk 63 | PC10 — GPIO |
| Pin produk 64 | PC11 — GPIO |
Aplikasi Umum
ATSAME70J20A-ANT cocok untuk 6 aplikasis: Industrial Ethernet Gateway, Three-Phase Motor Control / Servo Drive, Automotive Infotainment and ADAS Sensor Hub, Medical Patient Monitor, IoT Edge Sensor Node with Cloud Connectivity, Audio Processing / Soundbar / Smart Speaker.
Industrial Ethernet Gateway
The ATSAME70J20A-ANT is purpose-built for industrial Ethernet gateways because its integrated 10/100 MAC with IEEE 1588 PTP hardware timestamping achieves sub-microsecond synchronization accuracy required by EtherCAT, PROFINET IRT, and TSN protocols. The 300 MHz Cortex-M7 core with double-precision FPU can run TCP/IP stacks plus protocol-specific schedulers concurrently while leaving cycles for application logic. With 1 MB Flash it holds full TLS libraries and Modbus/CIP firmware, and the 384 KB SRAM accommodates multi-connection TCP buffers without external memory. The 64-LQFP pinout exposes dedicated RMII/MII pins and GMII-compatible timers, reducing BOM cost versus external Ethernet PHYs. Engineers place the MCU between the PHY and the host controller with the on-chip USB 2.0 HS port carrying data uplink.
Direkomendasikan
Three-Phase Motor Control / Servo Drive
The ATSAME70J20A-ANT excels in three-phase motor control because its Cortex-M7 core runs field-oriented control (FOC) loops at 20-50 kHz while the dedicated PWM timer block outputs complementary center-aligned waveforms with hardware dead-time insertion. The integrated 12-bit ADC at 2 Msps synchronizes with the PWM triggers for sub-microsecond current-sense sampling, eliminating software jitter. The 1 MB Flash accommodates sensorless and encoder-based FOC libraries plus velocity/position PID loops, while 384 KB SRAM holds full state-space controller and observer data. The 64-LQFP exposes all PWM channels and ADC inputs without multiplexing, and the FPU accelerates park/clarke transforms in single-cycle math.
Direkomendasikan
Automotive Infotainment and ADAS Sensor Hub
The ATSAME70J20A-ANT suits automotive infotainment and ADAS sensor hub applications because it integrates USB 2.0 High-Speed PHY for media streaming, CAN-FD for vehicle network connectivity, and a high-throughput AHB matrix that supports simultaneous Ethernet (camera link), USB (touchscreen), and SD card (media) data flows without CPU intervention. The 1 MB Flash with ECC and hardware AES-256 enable secure firmware updates and content DRM. The 384 KB SRAM buffers camera frames at VGA resolution for pre-processing algorithms. With its industrial temperature grade (-40C to +85C), it serves body-electronics modules, instrument clusters, and surround-view ECUs that demand deterministic real-time behavior.
Direkomendasikan
Medical Patient Monitor
The ATSAME70J20A-ANT fits medical patient monitor designs because its Cortex-M7 with FPU runs ECG/EEG/spO2 signal-processing algorithms (FFT, wavelet transforms, finite-impulse-response filters) in real time at 300 MHz. The 12-bit ADC at 2 Msps captures multi-lead physiological signals simultaneously with synchronized sampling. The 1 MB Flash stores patient data logs, lookup tables, and waveform analysis libraries, while 384 KB SRAM holds intermediate DSP buffers. The hardware AES-256 and TRNG support HIPAA-compliant secure data transmission. The industrial-grade LQFP-64 package meets IEC 60601-1 reliability expectations when paired with proper isolation and the long-term Microchip silicon supply commitment.
Direkomendasikan
IoT Edge Sensor Node with Cloud Connectivity
The ATSAME70J20A-ANT powers IoT edge sensor nodes because its 300 MHz Cortex-M7 with DSP extensions processes sensor fusion (accelerometer + gyroscope + magnetometer) at high sample rates locally before transmitting only refined data over Ethernet, USB, or CAN-FD to the cloud. The 1 MB Flash holds full TLS stacks, MQTT-SN libraries, and on-device machine-learning inference models, while 384 KB SRAM buffers time-series data between transmissions. The integrated Ethernet MAC with IEEE 1588 enables industrial-grade time synchronization for distributed sensing. The 64-LQFP package and Microchip's long-term supply program suit industrial IoT deployments requiring 10+ year product lifecycles.
Direkomendasikan
Audio Processing / Soundbar / Smart Speaker
The ATSAME70J20A-ANT targets audio processing applications because its Cortex-M7 with double-precision FPU runs multi-channel audio decoders (Dolby, DTS, AAC) and acoustic echo cancellation algorithms at 48 kHz sample rates. The USB 2.0 High-Speed PHY accepts digital audio streams from PCs and mobile devices, while the I2S ports interface directly to Class-D amplifiers. The 1 MB Flash stores firmware plus licensing keys for premium codecs, and 384 KB SRAM holds audio buffers and coefficient tables. Multiple DMA channels enable parallel I2S streams to multiple amplifiers, and the 64-LQFP pinout exposes ample GPIO for LED ring/button-matrix interfaces.
Direkomendasikan
Ringkasan Produk Direkomendasikan
Data referensi engineering untuk ATSAME70J20A-ANT — pembandingan, panduan desain, dan informasi konformitas.
Panduan Pemilihan
Pembandingan dengan Alternatif
| Parameter Umum | Produk Ini | ATSAME70J19B-ANT | ATSAME70J19A-ANT | ATSAMS70J20A-ANT | ATSAMS70J19A-AN |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 64-LQFP (10x10 mm) | 64-LQFP (10x10 mm) - same | 64-LQFP (10x10 mm) - same | 64-LQFP (10x10 mm) - same | 64-LQFP (10x10 mm) - same |
| 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 | 1024 KB | 512 KB (-50%) | 512 KB (-50%) | 1024 KB | 512 KB (-50%) |
| SRAM | 384 KB | 256 KB (-33%) | 256 KB (-33%) | 384 KB | 256 KB (-33%) |
| Ethernet MAC | Yes (10/100 + 1588 PTP) | Yes (10/100 + 1588 PTP) | Yes (10/100 + 1588 PTP) | No (SAM S70 lacks EMAC) | No (SAM S70 lacks EMAC) |
| USB HS PHY | Yes (integrated) | Yes (integrated) | Yes (integrated) | Yes (integrated) | Yes (integrated) |
| Packaging | Tape & Reel | Tape & Reel | Tape & Reel | Tape & Reel | Tray |
Diferensiator Kunci
- Largest Flash in 64-LQFP SAM E70 family (vsATSAME70J19B-ANT)
- Integrated Ethernet MAC vs SAM S70 family (vsATSAMS70J20A-ANT)
- Tape & Reel for production lines (vsATSAME70J20A-AN)
Catatan Desain
The ATSAME70J20A-ANT requires a clean 3.3V supply on VDDIO and uses the internal 1.2V regulator (VDDOUT pin) to source VDDCORE. Place a 1uF X7R 0402 ceramic capacitor within 3 mm of the VDDOUT pin and a 100 nF decoupling capacitor on every VDDIO pin pair. For noise-sensitive analog peripherals (ADC, DAC), add a ferrite bead between the 3.3V digital and analog rails. The internal regulator can source up to 200 mA; if USB HS or Ethernet are active simultaneously at full load, ensure the supply can deliver at least 250 mA. Estimated: VDDIO 3.3V x 200 mA worst case = 660 mW dissipation at the VDDOUT pin, so provide adequate copper pour for heat dissipation.
A common design pitfall is omitting the external 32.768 kHz crystal loading capacitors on XIN/XOUT for RTC operation. The SAM E70 has built-in biasing but still needs external capacitors matching the crystal's load capacitance (typically 7-12 pF). Another pitfall is failing to configure the WKUP pins for low-power modes; the chip enters Wait mode with all peripherals running by default unless explicit clock gating is applied. Finally, ensure the NRST line has a 10 kOhm pull-up and a 100 nF capacitor to GND to guarantee clean reset behavior on power-up.
For the 64-LQFP package, route high-speed USB 2.0 HS differential pair (USB_DP, USB_DM) with 90 ohm differential impedance and length matching within 1 mm. Similarly, route the Ethernet RMII/MII signals (ETH_xxx) with controlled impedance and keep the PHY within 50 mm of the MCU. Provide a continuous ground plane under the LQFP footprint to reduce EMI and thermal resistance (estimated theta_JA 50 C/W for LQFP-64 on 4-layer JEDEC test board). Place a 4-layer PCB stack-up with 1 oz copper on outer layers and 0.5 oz on inner layers for best thermal performance.
Informasi Konformitas
RoHS and REACH compliant per Microchip product page. Industrial temperature grade (-40C to +85C). For AEC-Q100 automotive applications, evaluate the ATSAME70Q20B-ANT automotive-qualified variant instead.
