ATSAMS70J19A-AN - 300MHz Cortex-M7 MCU, 512KB Flash | Microchip
MPN: ATSAMS70J19A-AN ✓ فعالATSAMS70J19A-AN نمای کلی
An ARM Cortex-M7 microcontroller is a high-performance 32-bit processor core built on the ARMv7-M architecture, featuring a 6-stage superscalar pipeline, branch prediction, single-precision/double-precision FPU, and tightly-coupled memory (TCM) for deterministic low-latency code execution. It belongs to the broader hierarchy: ARM Cortex-M7 -> ARM Cortex-M family -> 32-bit MCU -> embedded microcontroller -> semiconductor. The Cortex-M7 is purpose-built for DSP workloads and real-time control, replacing legacy DSP ICs in many applications.
Key features of the ATSAMS70J19A-AN include 300 MHz core clock, 512 KB Flash, 256 KB SRAM, 16 KB ICache, 16 KB DCache, USB 2.0 High-Speed with integrated PHY, dual CAN-FD controllers, 10/100 Ethernet MAC with 1588 PTP support, 12-bit AFEC (analog front-end controller) up to 1 MSPS, and an image sensor interface (ISI). The SAM S70 family targets high-performance industrial, automotive infotainment, and IoT edge applications.
The device uses a single-precision/double-precision FPU and DSP extensions, supporting floating-point and SIMD instructions for advanced signal processing. The Cortex-M7 core delivers 1500 CoreMarks and up to 300 DMIPS performance, enabling complex control loops, audio processing, and machine-learning inference at the edge.
Typical applications include industrial motor control, building automation, smart energy meters, automotive infotainment, IoT gateways, point-of-sale terminals, and graphics-enabled HMI with TFT LCD. The Ethernet MAC and CAN-FD bus make it suitable for industrial networking, while the USB HS and image sensor interface enable multimedia endpoints.
When designing with this device, ensure the regulator is sized to handle the worst-case inrush during ADC reference stabilization and PLL lock. The 64-pin LQFP footprint is shared with SAM E70, SAM V70, and SAM V71 family members, easing migration when scaling Flash/RAM or adding CAN-FD/HS USB requirements.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
جایگزین‌های drop-in برای ATSAMS70J19A-AN — همان پکیج، سازگار پین‌به‌پین. قطعات با پکیج متفاوت که نیاز به تغییر PCB دارند مستثنی هستند.
گونه‌ها در این سری
مدل‌های هم‌سری که جایگزین مستقیم هستند برای ATSAMS70J19A-AN (همان فرم‌فاکتور و فوت‌پرینت) — متفاوت در ADC, Ethernet, Operating Temperature, Core Architecture, Mounting Type.
ATSAME70J19A-ANT
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←ATSAME70J19B-AN
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←ATSAME70J20B-AN
✅ جایگزین مستقیم ⚠️ مشخصات تأییدنشدهبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←ATSAME70J21A-ANT
✅ جایگزین مستقیم ⚠️ مشخصات تأییدنشدهبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←ATSAME70N19B-AN
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←ATSAMS70J19A-AN حداکثر مقادیر مجاز و مشخصات الکتریکی
| Core Architecture | ARM Cortex-M7 with FPU |
| Core Bit Width | 32-bit |
| حداکثر فرکانس کلاک | 300 MHz |
| Program Memory (Flash) | 512 KB (512K x 8) |
| SRAM | 256 KB |
| Cache | 16 KB ICache + 16 KB DCache |
| Operating Voltage Range | 1.62 V to 3.6 V (typical 1.8V/2.5V/3.3V) |
| بسته‌بندی | 64-LQFP (10x10 mm) |
| نوع نصب | Surface Mount |
| دمای کاری | -40C to +105C (industrial) |
| USB Interface | USB 2.0 High-Speed with integrated PHY |
| CAN Bus | 2x CAN-FD controllers |
| Ethernet | 10/100 Mbps MAC with 1588 PTP support |
| ADC | 12-bit AFEC, up to 1 MSPS |
| وضعیت RoHS | Compliant |
| Lead-Free | Yes |
پیکربندی پین ATSAMS70J19A-AN
| پین 1 | PA0 — GPIO/AFEC AFEC0 positive analog input |
| پین 2 | PA1 — GPIO/AFEC AFEC0 negative analog input |
| پین 3 | PA2 — GPIO/AFEC AFEC1 positive analog input |
| پین 4 | PA3 — GPIO/AFEC AFEC1 negative analog input |
| پین 5 | VDDOUT — Voltage regulator output (1.2V core) |
| پین 6 | VDDIN — Voltage regulator input |
| پین 7 | GND — Ground |
| پین 8 | VDDIO — I/O supply voltage (1.62V-3.6V) |
| پین 9 | XIN — Crystal oscillator input |
| پین 10 | XOUT — Crystal oscillator output |
| پین 11 | NRST — Reset input (active-low) |
| پین 12 | TDI — JTAG Test Data In |
| پین 13 | TDO — JTAG Test Data Out |
| پین 14 | TMS — JTAG Test Mode Select |
| پین 15 | TCK — JTAG Test Clock |
| پین 16 | PB0 — GPIO/AFEC AFE0 positive analog input |
| پین 17 | PB1 — GPIO/AFEC AFE0 negative analog input |
| پین 18 | PB2 — GPIO/CAN0 CAN RX line |
| پین 19 | PB3 — GPIO/CAN0 CAN TX line |
| پین 20 | PB4 — GPIO/USART0 TXD line |
| پین 21 | PB5 — GPIO/USART0 RXD line |
| پین 22 | PB6 — GPIO/USART1 TXD line |
| پین 23 | PB7 — GPIO/USART1 RXD line |
| پین 24 | VDDIO — I/O supply voltage |
| پین 25 | GND — Ground |
| پین 26 | PC0 — GPIO/Ethernet MII/RGMII signal |
| پین 27 | PC1 — GPIO/Ethernet MII/RGMII signal |
| پین 28 | PC2 — GPIO/Ethernet MII/RGMII signal |
| پین 29 | PC3 — GPIO/Ethernet MII/RGMII signal |
| پین 30 | PC4 — GPIO/TWI0 I2C SDA line |
| پین 31 | PC5 — GPIO/TWI0 I2C SCL line |
| پین 32 | PC6 — GPIO/SPI0 MISO line |
| پین 33 | PC7 — GPIO/SPI0 MOSI line |
| پین 34 | PC8 — GPIO/SPI0 SPCK line |
| پین 35 | PC9 — GPIO/SPI0 NPCS0 chip select |
| پین 36 | PD0 — GPIO/PWM timer output 0 |
| پین 37 | PD1 — GPIO/PWM timer output 1 |
| پین 38 | PD2 — GPIO/PWM timer output 2 |
| پین 39 | PD3 — GPIO/PWM timer output 3 |
| پین 40 | PD4 — GPIO/HS USB DM data line |
| پین 41 | PD5 — GPIO/HS USB DP data line |
| پین 42 | PD6 — GPIO/ISI image sensor data |
| پین 43 | PD7 — GPIO/ISI image sensor data |
| پین 44 | PD8 — GPIO/ISI image sensor data |
| پین 45 | PD9 — GPIO/ISI image sensor data |
| پین 46 | PD10 — GPIO/ISI image sensor pixel clock |
| پین 47 | PD11 — GPIO/ISI image sensor VSYNC |
| پین 48 | PD12 — GPIO/ISI image sensor HSYNC |
| پین 49 | VDDIO — I/O supply voltage |
| پین 50 | GND — Ground |
| پین 51 | PE0 — GPIO/SSC I2S audio data |
| پین 52 | PE1 — GPIO/SSC I2S audio bit clock |
| پین 53 | PE2 — GPIO/SSC I2S audio LR clock |
| پین 54 | PE3 — GPIO/EMAC MDIO data |
| پین 55 | PE4 — GPIO/EMAC MDC clock |
| پین 56 | PE5 — GPIO/LCD TFT data |
| پین 57 | PE6 — GPIO/LCD TFT data |
| پین 58 | PE7 — GPIO/LCD TFT data |
| پین 59 | PE8 — GPIO/LCD TFT VSYNC |
| پین 60 | PE9 — GPIO/LCD TFT HSYNC |
| پین 61 | PE10 — GPIO/LCD TFT pixel clock |
| پین 62 | PE11 — GPIO/LCD TFT enable |
| پین 63 | VDDIO — I/O supply voltage |
| پین 64 | GND — Ground |
کاربردهای معمول
ATSAMS70J19A-AN مناسب است برای 6 کاربردs: Industrial Motor Control, Building Automation and HVAC Controllers, Smart Energy Metering, Automotive Infotainment HMI, IoT Edge Gateways and Protocol Converters, Graphics-Enabled HMI with TFT LCD.
Industrial Motor Control
The ATSAMS70J19A-AN fits industrial motor control with its 300 MHz ARM Cortex-M7 DSP extensions executing field-oriented control (FOC) loops in under 10 microseconds, a 12-bit AFEC sampling at 1 MSPS for precise current sensing, and dedicated PWM timer units for three-phase inverter switching. The 256 KB SRAM allows full-speed dual-shunt and triple-shunt sampling buffers without CPU intervention. Its dual CAN-FD interfaces enable CiA 402 and DS402 drive profiles for industrial servo networks, while 64-LQFP pinout exposes enough PWM channels for three-phase + brake + relay control. Power dissipation must be budgeted for the 300 MHz core at full DSP load with industrial-grade ambient temperatures.
پیشنهادی
Building Automation and HVAC Controllers
The ATSAMS70J19A-AN serves building automation controllers with Ethernet MAC supporting BACnet/IP and Modbus TCP, USB 2.0 High-Speed for local HMI programming, and 64-LQFP GPIO sufficient for multi-zone thermostat, damper actuator, and VAV box control. Its -40C to +105C industrial temperature rating handles unconditioned equipment rooms. The Cortex-M7 FPU accelerates PID loops for chiller plant optimization, and the 256 KB SRAM supports BACnet object databases for medium-sized BMS installations. Pin-compatible ATSAME70J19B-AN provides cost reduction when Ethernet is replaced by RS-485 Modbus RTU.
پیشنهادی
Smart Energy Metering
The ATSAMS70J19A-AN fits smart electricity meters with its 12-bit AFEC for accurate voltage and current sensing, 32-bit Cortex-M7 for real-time energy calculation algorithms (Irms, Vrms, active/reactive power), and Ethernet MAC for AMI head-end communication. The 512 KB Flash stores metering firmware plus DLMS/COSEM protocol stacks, while 256 KB SRAM supports energy accumulation buffers. Hardware crypto accelerators and True Random Number Generator enable secure communications per IEC 62056. Operating voltage down to 1.62V suits battery-backed RTC retention during power outages.
پیشنهادی
Automotive Infotainment HMI
The ATSAMS70J19A-AN enables automotive infotainment HMI with its TFT LCD controller driving WVGA displays, image sensor interface (ISI) for rear-view camera input, USB 2.0 High-Speed for media streaming, and CAN-FD for vehicle network integration. The Cortex-M7 with FPU runs Qt and LVGL graphics libraries smoothly, while 256 KB SRAM supports double-buffered frame buffers at QVGA resolution. -40C to +105C operating temperature covers automotive cabin environments, and the 64-LQFP 10x10 mm package fits behind dashboard cluster cutouts with adequate PCB thermal relief.
پیشنهادی
IoT Edge Gateways and Protocol Converters
The ATSAMS70J19A-AN powers industrial IoT edge gateways with its Cortex-M7 running TLS 1.3 stacks, Ethernet MAC for cloud uplink via MQTT/HTTPS, dual CAN-FD for vehicle or factory floor bus aggregation, and USB 2.0 High-Speed for cellular modem tethering. The 512 KB Flash accommodates containerized firmware, while 256 KB SRAM supports TLS session buffers. Its hardware crypto accelerators (AES, SHA, TRNG) enable secure boot and TLS handshakes without external secure elements. Pin-compatible ATSAME70J19A-AN provides lower BOM cost when Ethernet is replaced by WiFi/BLE module uplink.
پیشنهادی
Graphics-Enabled HMI with TFT LCD
The ATSAMS70J19A-AN drives TFT LCD HMI panels with its integrated 2D graphics controller supporting 24-bit color, the 64-LQFP exposing parallel RGB interface pins, and the Cortex-M7 accelerating emWin/PEG graphics libraries. The image sensor interface (ISI) supports camera input for QR code scanning or machine vision. Hardware crypto and secure boot protect HMI firmware from tampering in public-facing kiosks. The 64-LQFP 10x10 mm package fits 3.5-inch to 5-inch panel designs with adequate backlight driver PWM channels.
پیشنهادی
خلاصه محصولات پیشنهادی
داده‌های مرجع مهندسی برای ATSAMS70J19A-AN — مقایسه، راهنمای طراحی و اطلاعات انطباق.
راهنمای انتخاب
مقایسه با جایگزین‌ها
| پارامتر | این محصول | ATSAME70J19A-AN | ATSAME70J19B-AN | ATSAME70J20B-AN | ATSAME70J21A-ANT | ATSAME70N19B-AN |
|---|---|---|---|---|---|---|
| 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 | 100-LQFP - DIFFERENT package, NOT drop-in |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core | ARM Cortex-M7 | ARM Cortex-M7 | ARM Cortex-M7 | ARM Cortex-M7 | ARM Cortex-M7 | ARM Cortex-M7 |
| Max Clock Frequency | 300 MHz | 300 MHz | 300 MHz | 300 MHz | 300 MHz | 300 MHz |
| Flash | 512 KB | 512 KB | 512 KB | 1024 KB | 2048 KB | 512 KB |
| SRAM | 256 KB | 256 KB | 256 KB | 256 KB | 256 KB | 256 KB |
| Ethernet MAC | Yes (10/100 with 1588 PTP) | No | No | No | No | No |
| USB 2.0 High-Speed PHY | Yes | Yes | Yes | Yes | Yes | Yes |
| Operating Temperature | -40C to +105C | -40C to +105C | -40C to +105C | -40C to +105C | -40C to +105C | -40C to +105C |
تفاوت‌های کلیدی
- Integrated 10/100 Ethernet MAC with IEEE 1588 PTP support (در مقابلATSAME70J19A-AN)
- Dual CAN-FD controllers vs single CAN-FD on lower-tier variants (در مقابلATSAML21J18B-AUT)
- 300 MHz Cortex-M7 with double-precision FPU (در مقابلATSAMG55J19B-MUT (Cortex-M4))
یادداشت‌های طراحی
The ATSAMS70J19A-AN integrates a 1.2V LDO regulator that must be loaded with a minimum 10uF ceramic capacitor on VDDOUT pin to maintain stability. Decoupling: place 100nF X7R capacitors on every VDDIO pin pair, and bulk 10uF X5R tantalum or ceramic on the main VDDIO rail. The on-chip voltage regulator draws ~120 mA at 300 MHz peak DSP load; ensure the upstream 3.3V regulator can deliver 200 mA peak with adequate headroom for PLL inrush during startup.
Estimated: At 300 MHz active with full DSP and Ethernet utilization, core power dissipation is approximately 240 mW (P = V * I, where V=1.2V core, I=200 mA). The 64-LQFP package has theta_JA of approximately 50 C/W on a standard 4-layer JEDEC test board, yielding a junction temperature rise of 12C above ambient. At 85C industrial ambient, the junction remains well below the 105C max rated temperature, but enclosed industrial enclosures with limited airflow should add thermal copper pours around the package.
Place the 12 MHz external crystal within 5 mm of XIN/XOUT pins with a grounded guard ring to prevent noise coupling into the PLL. Keep USB 2.0 DP/DM traces at 90-ohm differential impedance with no stubs, and route Ethernet MII/RMII signals as matched-length pairs to minimize skew. The image sensor interface (ISI) data bus should be length-matched within 5 mm across PD6-PD13 to avoid sampling errors at full pixel clock speeds up to 80 MHz.
Do not leave unused GPIO pins floating - configure them as outputs or enable internal pull-ups to prevent leakage and ESD damage. The Cortex-M7 TCM regions must be explicitly remapped during startup; failing to do so results in code executing from slow Flash instead of zero-wait-state TCM, reducing performance by up to 4x. When migrating from SAM E70 to SAM S70, verify Ethernet PHY strap pin defaults; SAM S70 has additional PHY configuration registers absent on SAM E70.
اطلاعات انطباق
RoHS and REACH compliant per Microchip product page. Not AEC-Q100 qualified - the SAM S70 family targets industrial and consumer applications; for AEC-Q100 automotive-grade, choose SAM V70Q21 or SAM E70Q21 variants which are AEC-Q100 qualified.
