ATSAME70Q19A-CFNT - 300MHz ARM Cortex-M7 MCU 512KB Flash | Microchip
MPN: ATSAME70Q19A-CFNT ✓ فعالATSAME70Q19A-CFNT نمای کلی
What is an ARM Cortex-M7 microcontroller? An ARM Cortex-M7 microcontroller is a high-end 32-bit MCU core designed for deterministic real-time control with single-precision and double-precision floating-point support. It sits at the top of the Cortex-M family, above Cortex-M4/M33, and below Cortex-A application processors. In the broader taxonomy, a Cortex-M7 MCU belongs to: microcontroller -> embedded MCU -> 32-bit MCU -> ARM Cortex-M7 class -> high-performance MCU. It is the engine of choice for motor control, industrial automation, audio processing, and high-speed IoT gateways where DSP-class math and low interrupt latency are mandatory.
Key features of the ATSAME70Q19A-CFNT include a 16-bit External Bus Interface (EBI) for memory expansion, a High-Speed USB Host and Device port with on-chip PHY, dual CAN-FD controllers, an Ethernet MAC with 1588 PTP, a 12-bit ADC with up to 24 channels, and a 12-bit DAC. Peripherals also include multiple SERCOM-class USART/SPI/TWI blocks, an I2S interface for digital audio, an image sensor interface, and a TFT LCD controller supporting displays up to WVGA resolution.
Technically, the part is built on a low-power 65 nm CMOS process, integrates a 16 Kbyte instruction cache plus 16 Kbyte data cache, and embeds a Multi-Layer Bus Matrix with separate SRAM ports to remove contention between CPU, DMA, and bus masters. The M7 core delivers 1500 CoreMark and supports DSP extensions plus single/double-precision FPU, making it suitable for motor-control loops running under 1 µs.
Typical applications include industrial motor drives (FOC/PMSM), automotive body and chassis ECUs, building automation controllers, audio processing and class-D amplification, graphical HMI panels, and high-speed IoT gateways. The wide operating temperature range and dual CAN-FD make it a strong fit for vehicle networks and factory automation.
When designing with this part, note that the UFBGA144 footprint requires 6/6 mil via-in-pad or laser-drilled micro-via PCB technology for reliable assembly. Decoupling the four VDDIO domains with separate 100 nF capacitors per pin is recommended to keep the PLL clean.
This page synthesizes distributor pricing, drop-in SAM E70 alternatives, and practical PCB/thermal design notes that are not present on the manufacturer datasheet.
جایگزین‌های drop-in برای ATSAME70Q19A-CFNT — 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 ATSAME70Q19A-CFNT (همان فرم‌فاکتور و فوت‌پرینت) — متفاوت در Package, SRAM, ADC, Mounting Type, Operating Temperature.
ATSAME70Q19B-CFNT
✅ جایگزین مستقیم📋 جایگزین مرجع (خارج از کاتالوگ)
ATSAME70Q21B-CFNT
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←ATSAMS70Q20B-CFNT
✅ جایگزین مستقیم📋 جایگزین مرجع (خارج از کاتالوگ)
ATSAME70Q19A-AN
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←ATSAME70J19B-ANT
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←ATSAME70Q19A-CFNT حداکثر مقادیر مجاز و مشخصات الکتریکی
| Core Architecture | ARM Cortex-M7 with FPU |
| Maximum CPU Frequency | 300 MHz |
| Program Flash Memory | 512 Kbytes |
| SRAM | 256 Kbytes (multi-port) |
| Instruction Cache | 16 Kbytes |
| Data Cache | 16 Kbytes |
| بسته‌بندی | 144-ball UFBGA (10x10x0.6 mm) |
| نوع نصب | Surface Mount (BGA) |
| Supply Voltage (VDDCORE) | 1.2 V (typ) |
| Supply Voltage (VDDIO) | 3.3 V (typ) |
| ADC | 12-bit, up to 24 channels |
| DAC | 12-bit |
| Communication Interfaces | USB HS, Ethernet MAC, 2x CAN-FD, USART, SPI, TWI, I2S |
| External Bus Interface | 16-bit EBI |
| دمای کاری | -40 C to +85 C (industrial) |
| وضعیت RoHS | Compliant |
پیکربندی پین ATSAME70Q19A-CFNT
| پین A1 | VDDIO — 3.3 V I/O supply |
| پین A2 | PB0 — GPIO / EBI D0 |
| پین A3 | PB1 — GPIO / EBI D1 |
| پین B1 | VSS — Ground |
| پین B2 | VDDIO — 3.3 V I/O supply |
| پین B3 | PB2 — GPIO / EBI D2 |
| پین C1 | VDDCORE — 1.2 V core supply |
| پین C2 | VSS — Ground |
| پین C3 | PB3 — GPIO / EBI D3 |
| پین D1 | NRST — Active-low reset |
| پین D2 | TDI — JTAG TDI |
| پین D3 | TCK — JTAG TCK |
| پین E1 | TDO — JTAG TDO |
| پین E2 | TMS — JTAG TMS |
| پین E3 | XIN — Crystal oscillator input |
| پین F1 | XOUT — Crystal oscillator output |
| پین F2 | VSSPLL — PLL ground |
| پین F3 | VDDPLL — PLL 1.2 V supply |
| پین G1 | PA0 — GPIO / AFEC0 channel 0 |
| پین G2 | PA1 — GPIO / AFEC0 channel 1 |
| پین G3 | PA2 — GPIO / AFEC0 channel 2 |
| پین H1 | PA3 — GPIO / AFEC0 channel 3 |
| پین H2 | VDDIO — 3.3 V I/O supply |
| پین H3 | VSS — Ground |
| پین J1 | USBHS_DP — USB HS data plus |
| پین J2 | USBHS_DM — USB HS data minus |
| پین J3 | VBUS — USB VBUS detect |
| پین K1 | PC0 — GPIO / CAN0 TX |
| پین K2 | PC1 — GPIO / CAN0 RX |
| پین K3 | PC2 — GPIO / CAN1 TX |
| پین L1 | PC3 — GPIO / CAN1 RX |
| پین L2 | ETH_TXCK — Ethernet transmit clock |
| پین L3 | ETH_TX0 — Ethernet transmit data 0 |
| پین M1 | ETH_TX1 — Ethernet transmit data 1 |
| پین M2 | ETH_RX0 — Ethernet receive data 0 |
| پین M3 | ETH_RX1 — Ethernet receive data 1 |
| پین N1 | ETH_MDC — Ethernet management clock |
| پین N2 | ETH_MDIO — Ethernet management data |
| پین N3 | VDDIO — 3.3 V I/O supply |
کاربردهای معمول
ATSAME70Q19A-CFNT مناسب است برای 7 کاربردs: Industrial Motor Control (FOC/PMSM), Automotive Body and Chassis ECU, Building Automation Controller, Digital Audio Processing and Class-D Amplifier, Graphical HMI Panel, High-Speed IoT Gateway, Solar Inverter and Power Conversion.
Industrial Motor Control (FOC/PMSM)
The ATSAME70Q19A-CFNT runs Field-Oriented Control loops for PMSM and BLDC motors under 1 µs thanks to its 300 MHz Cortex-M7 with single/double-precision FPU. The dual 12-bit ADC pairs with center-aligned PWM for low-latency current sampling at 50 kHz switching, and the 16-bit EBI offloads rotor-position tables to external SRAM without interrupting the control loop.
پیشنهادی
Automotive Body and Chassis ECU
Dual CAN-FD controllers and the -40 C to +85 C industrial operating range make the ATSAME70Q19A-CFNT a strong fit for body controllers, gateways, and chassis ECUs. The 1500 CoreMark performance runs AUTOSAR-class stacks with deterministic interrupt latency, and the 16 KB instruction cache keeps CAN message handlers responsive even under heavy DMA load.
پیشنهادی
Building Automation Controller
The Ethernet MAC with 1588 PTP hardware timestamping and the integrated TFT LCD controller let the ATSAME70Q19A-CFNT serve as a BACnet or KNX building controller with a touch-screen HMI. 256 KB SRAM holds HVAC control loops and the BACnet stack, while the 16-bit EBI connects to external SPI Flash for OTA image storage.
پیشنهادی
Digital Audio Processing and Class-D Amplifier
The I2S interface and dual-port SRAM of the ATSAME70Q19A-CFNT enable real-time audio DSP such as equalization, crossover filtering, and room correction at 48 kHz sample rates. Its 300 MHz M7 core sustains the audio pipeline while leaving cycles for USB audio streaming or wireless input handling on a Bluetooth or Wi-Fi companion module.
پیشنهادی
Graphical HMI Panel
The integrated TFT LCD controller and 2D graphics accelerator of the ATSAME70Q19A-CFNT drive displays up to WVGA (800x480) for industrial HMI panels. The 16-bit EBI connects directly to SRAM and NOR Flash for fast asset fetching, and the Ethernet MAC enables remote HMI update and SCADA connectivity.
پیشنهادی
High-Speed IoT Gateway
The ATSAME70Q19A-CFNT aggregates multiple fieldbuses (CAN-FD, RS-485, I2C sensors) and bridges them to Ethernet/IP for an industrial IoT gateway. Its 1500 CoreMark performance runs TLS stacks and MQTT brokers locally, while the USB HS port supports Wi-Fi or LTE module attachment without an external hub IC.
پیشنهادی
Solar Inverter and Power Conversion
The 300 MHz Cortex-M7 plus dual 12-bit ADC of the ATSAME70Q19A-CFNT execute MPPT and grid-sync algorithms for single-phase solar inverters. Its 256 KB SRAM holds inverter state, while the 16-bit EBI allows external SRAM for solar inverter logs and grid-metering data without affecting real-time control timing.
پیشنهادی
خلاصه محصولات پیشنهادی
داده‌های مرجع مهندسی برای ATSAME70Q19A-CFNT — مقایسه، راهنمای طراحی و اطلاعات انطباق.
راهنمای انتخاب
مقایسه با جایگزین‌ها
| پارامتر | این محصول | ATSAME70Q19B-CFNT | ATSAME70Q21B-CFNT | ATSAMS70Q20B-CFNT | ATSAME70Q19A-AN | ATSAME70J19B-ANT |
|---|---|---|---|---|---|---|
| Package | 144-ball UFBGA (10x10x0.6 mm) | 144-ball UFBGA (10x10) - same | 144-ball UFBGA (10x10) - same | 144-ball UFBGA (10x10) - same | 144-pin LQFP | 64-pin LQFP |
| Brand | Microchip Technology | Microchip Technology - same | Microchip Technology - same | Microchip Technology - same | Microchip Technology - same | Microchip Technology - 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 | ARM Cortex-M7 300 MHz |
| Flash | 512 KB | 512 KB | 2 MB | 1 MB | 512 KB | 512 KB |
| SRAM | 256 KB | 256 KB | 384 KB | 256 KB | 256 KB | 256 KB |
| Ethernet MAC | Yes (with 1588 PTP) | Yes | Yes | No | Yes | Yes (limited pins) |
| USB HS | Yes (with PHY) | Yes | Yes | Yes | Yes | Yes |
| Pin Count | 144 | 144 | 144 | 144 | 144 | 64 |
| Operating Temperature | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C |
تفاوت‌های کلیدی
- Latest silicon revision with fixed errata (در مقابلATSAME70Q19B-CFNT)
- Doubles Flash to 2 MB for graphics-rich designs (در مقابلATSAME70Q21B-CFNT)
- Family-equivalent without Ethernet MAC (در مقابلATSAMS70Q20B-CFNT)
- Easier hand-soldering variant (در مقابلATSAME70Q19A-AN)
یادداشت‌های طراحی
Estimated PCB design rule: the 144-ball UFBGA package (10x10x0.6 mm) at 0.6 mm ball pitch requires 6/6 mil via-in-pad or laser-drilled micro-vias for reliable assembly. Standard 0.4 mm vias do not fit between balls. Plan for ENIG surface finish and four sequential lamination cycles if using a 4-layer stack-up with internal power planes.
The ATSAME70Q19A-CFNT has four VDDIO domains and one VDDCORE 1.2 V supply. Decoupling recommendation: place one 100 nF X7R ceramic capacitor per VDDIO/VSS ball pair within 2 mm trace length. The VDDCORE 1.2 V rail must use a ferrite bead isolation plus a bulk 4.7 uF ceramic to keep PLL jitter below 1 % of the CPU clock period.
Estimated thermal analysis: at 300 MHz with peripherals active, core power dissipation is approximately 350 mW. The UFBGA144 has limited board-side cooling; with at least 4 thermal vias in the central ball grid (stitched to the inner power plane), the junction-to-ambient thermal resistance is around 25 C/W. Keep the application below 200 mW per IC by gating peripheral clocks when idle.
Common pitfalls: (1) Do not enable the USB HS PHY without a valid 12 MHz crystal; the part will not enumerate. (2) The EBI 16-bit bus shares pins with GPIO ports PB and PC - configure pin mux before enabling peripheral clocks. (3) The dual CAN-FD controllers require the CAN clock source selected via PMC_PCK1; setting it to the wrong source silently breaks CAN traffic.
The Ethernet MAC pins require source termination of 49.9 ohm to VDDIO if using CAT5 cable lengths over 10 m. Keep the MDIO/MDC traces under 50 mm and route them away from the PLL supply traces. The USB HS DP/DM pair must be 90 ohm differential with no more than two vias total and length-matched to within 150 mil.
اطلاعات انطباق
RoHS compliant per Microchip product page. Not AEC-Q100 qualified; for automotive applications requiring AEC-Q100, use ATSAME70Q21B-CFNVAO or contact Microchip for automotive-grade part numbers.
