ATSAME53J18A-MF - 120MHz Cortex-M4F MCU, 256KB Flash | Microchip
MPN: ATSAME53J18A-MF ✓ Hoạt độngATSAME53J18A-MF Tóm tắt
What is a Cortex-M4F microcontroller? An ARM Cortex-M4F MCU is a low-power 32-bit microcontroller core with hardware single-precision floating-point and DSP instructions, designed for deterministic real-time embedded control. The Cortex-M4F sits within the broader ARM Cortex-M family (Cortex-M0/M0+/M3/M4/M7) and is widely used in motor control, industrial automation, audio processing, and connected sensor nodes where floating-point math and signal processing are needed.
Key features of the ATSAME53J18A-MF include a 120 MHz core, 256 KB dual-panel Flash with ECC, 128 KB SRAM, a 12-bit 1 MSPS ADC, two 12-bit DACs, multiple SERCOM (serial communication) interfaces configurable as UART/SPI/I2C, an on-chip 10/100 Ethernet MAC with IEEE 1588 PTP support, USB 2.0 Full-Speed, CAN-FD, and an integrated PTC (Peripheral Touch Controller) for capacitive touch sensing. The 64-QFN package exposes up to 51 GPIO lines for peripheral expansion.
Architecture-wise, the ATSAME53J18A-MF uses a Harvard-bus Cortex-M4F core with a tightly coupled 4 KB instruction cache, single-cycle MAC, and a Memory Protection Unit (MPU). The dual-panel Flash with ECC and SRAM with ECC enhance functional safety, making the part suitable for IEC 60730 class-B aware designs. The Event System, SERCOM, and configurable logic peripherals allow flexible pin-mapping and event-driven response without CPU overhead.
Typical applications include industrial Ethernet gateways, building automation controllers, USB-to-UART/CAN bridges, capacitive touch human-machine interfaces (HMIs), low-end motor control, and connected sensor nodes with Ethernet or USB connectivity. The wide operating temperature range and integrated peripherals reduce external component count for these designs.
When designing with the ATSAME53J18A-MF, ensure that the 64-QFN exposed pad is soldered to a sufficient ground copper pour for thermal dissipation and signal integrity, and that decoupling capacitors are placed close to each VDD pin. Programming is supported through SWD or the Atmel/Microchip bootloader, and development can be done in Microchip Studio (ASF) or MPLAB X with the Harmony 3 framework.
Bộ thay thế dễ dàng lắp đặt cho ATSAME53J18A-MF — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với ATSAME53J18A-MF (cùng hình factor và footprint) — khác nhau ở SRAM, USB, Operating Temperature, Package, ADC.
ATSAME53J19A-MF
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →ATSAME51J19A-MF
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →ATSAME51J18A-AF
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →ATSAME51J20A-MU
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →ATSAME53J18A-MFT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →ATSAME53J18A-MF Tỷ lệ tối đa & tính chất điện
| Core Architecture | ARM Cortex-M4F (32-bit) |
| Tần số xung maksimum | 120 MHz |
| FPU | Single-precision IEEE 754 |
| DSP Instructions | Yes (SIMD, MAC) |
| Flash Memory | 256 KB (256K x 8) with ECC |
| SRAM | 128 KB with ECC |
| Operating Voltage | 3.3 V typical (1.62 V to 3.6 V) |
| Package Type | 64-pin QFN with exposed thermal pad (9x9 mm) |
| Kiểu lắp đặt | Surface Mount |
| Ethernet MAC | 10/100 Mbps with IEEE 1588 PTP |
| USB | USB 2.0 Full-Speed Device/Host |
| CAN | CAN-FD |
| ADC | 12-bit, up to 1 MSPS |
| DAC | 2x 12-bit |
| GPIO Count | Up to 51 |
| Peripheral Touch Controller (PTC) | Yes (capacitive touch) |
| Nhiệt độ hoạt động | -40C to +125C (extended) |
| Trạng thái RoHS | Compliant |
Cấu hình chân ATSAME53J18A-MF
| Chân 1 | PA00 — General-purpose I/O / XIN32 (32.768 kHz crystal input) |
| Chân 2 | PA01 — General-purpose I/O / XOUT32 |
| Chân 3 | PA02 — General-purpose I/O / AIN0 (ADC input) |
| Chân 4 | PA03 — General-purpose I/O / AIN1 / VREFA |
| Chân 5 | VDDIO — Digital I/O supply (1.62 V to 3.6 V) |
| Chân 6 | GND — Ground |
| Chân 7 | PA04 — General-purpose I/O / AIN2 |
| Chân 8 | PA05 — General-purpose I/O / AIN3 |
| Chân 9 | PA06 — General-purpose I/O / AIN4 |
| Chân 10 | PA07 — General-purpose I/O / AIN5 |
| Chân 11 | PA08 — General-purpose I/O / I2C SDA |
| Chân 12 | PA09 — General-purpose I/O / I2C SCL |
| Chân 13 | PA10 — General-purpose I/O / UART RX |
| Chân 14 | PA11 — General-purpose I/O / UART TX |
| Chân 15 | VDDIO — Digital I/O supply |
| Chân 16 | GND — Ground |
| Chân 17 | PB10 — General-purpose I/O |
| Chân 18 | PB11 — General-purpose I/O |
| Chân 19 | PB12 — General-purpose I/O |
| Chân 20 | PB13 — General-purpose I/O |
| Chân 21 | PB14 — General-purpose I/O |
| Chân 22 | PB15 — General-purpose I/O |
| Chân 23 | PC05 — General-purpose I/O |
| Chân 24 | PC06 — General-purpose I/O |
| Chân 25 | PC07 — General-purpose I/O |
| Chân 26 | PC08 — General-purpose I/O |
| Chân 27 | PC09 — General-purpose I/O |
| Chân 28 | PC10 — General-purpose I/O |
| Chân 29 | PC11 — General-purpose I/O |
| Chân 30 | PC13 — General-purpose I/O |
| Chân 31 | PC14 — General-purpose I/O |
| Chân 32 | PC15 — General-purpose I/O |
| Chân 33 | VDDIO — Digital I/O supply |
| Chân 34 | GND — Ground |
| Chân 35 | PD00 — General-purpose I/O |
| Chân 36 | PD01 — General-purpose I/O |
| Chân 37 | PD02 — General-purpose I/O |
| Chân 38 | PD03 — General-purpose I/O |
| Chân 39 | PD04 — General-purpose I/O |
| Chân 40 | PD05 — General-purpose I/O |
| Chân 41 | PD06 — General-purpose I/O / USB DP |
| Chân 42 | PD07 — General-purpose I/O / USB DM |
| Chân 43 | PD08 — General-purpose I/O |
| Chân 44 | PD09 — General-purpose I/O |
| Chân 45 | PD10 — General-purpose I/O |
| Chân 46 | PD11 — General-purpose I/O |
| Chân 47 | PD12 — General-purpose I/O |
| Chân 48 | PB00 — General-purpose I/O |
| Chân 49 | PB01 — General-purpose I/O |
| Chân 50 | PB02 — General-purpose I/O / AIN10 |
| Chân 51 | PB03 — General-purpose I/O / AIN11 |
| Chân 52 | PB04 — General-purpose I/O / AIN12 |
| Chân 53 | PB05 — General-purpose I/O / AIN13 |
| Chân 54 | VBAT — Battery backup domain supply |
| Chân 55 | GND — Ground |
| Chân 56 | VDDIO — Digital I/O supply |
| Chân 57 | RESETn — Active-low reset input |
| Chân 58 | SWDIO — Serial Wire Debug I/O |
| Chân 59 | SWCLK — Serial Wire Debug clock |
| Chân 60 | GND — Ground |
| Chân 61 | VDDCORE — Internal core voltage regulator output (decoupling) |
| Chân 62 | VDDIN — Voltage regulator input (1.62 V to 3.6 V) |
| Chân 63 | GND — Ground |
| Chân 64 | EP — Exposed thermal pad (must be soldered to ground plane) |
Ứng dụng tiêu biểu
ATSAME53J18A-MF phù hợp cho 6 Áp dụngs: Industrial Ethernet Gateway, Capacitive Touch HMI, USB-to-CAN Bridge, Building Automation Controller, Low-End Motor Control, Connected IoT Sensor Node.
Industrial Ethernet Gateway
The ATSAME53J18A-MF fits industrial Ethernet gateways because it integrates a 10/100 Ethernet MAC with hardware IEEE 1588 PTP timestamping alongside a 120 MHz Cortex-M4F core capable of running lwIP or uIP TCP/IP stacks within its 128 KB SRAM. Engineers can implement Modbus-TCP, EtherNet/IP, or PROFINET slave stacks while the FPU accelerates real-time data pre-processing. The on-chip USB 2.0 Full-Speed and CAN-FD further simplify gateway-to-sensor and gateway-to-actuator bridging. Compared with discrete MCU + external Ethernet PHY designs, the integrated MAC reduces BOM and PCB area while keeping deterministic latency for time-critical protocols.
Được đề xuất
Capacitive Touch HMI
The ATSAME53J18A-MF supports capacitive touch human-machine interfaces through its integrated Peripheral Touch Controller (PTC), which provides hardware-driven acquisition for up to 256 touch channels and supports Microchip's water-tolerant QTouch libraries. The 120 MHz Cortex-M4F core executes touch processing, gesture recognition, and display refresh with single-cycle MAC performance, while 256 KB Flash holds both the touch library and application UI code. The 64-QFN package offers up to 51 GPIO for sensor routing, and the dual 12-bit DAC can drive audio feedback for button-press cues. Designers can replace discrete touch ICs and reduce total BOM cost while gaining field firmware-upgrade flexibility over USB.
Được đề xuất
USB-to-CAN Bridge
The ATSAME53J18A-MF serves well as a USB-to-CAN bridge because it integrates both USB 2.0 Full-Speed device/host with on-chip PHY and a CAN-FD controller, eliminating the need for an external USB transceiver or CAN controller. The 120 MHz Cortex-M4F executes USB HID/CDC class drivers and CAN-FD frame handling concurrently within its 128 KB SRAM, while 256 KB Flash holds the bridging firmware. Hardware-accelerated DMA moves USB and CAN traffic with minimal CPU overhead, achieving sustained throughput above the 1 Mbps classic CAN limit and into the 5 Mbps CAN-FD range.
Được đề xuất
Building Automation Controller
The ATSAME53J18A-MF fits building automation controllers (HVAC, lighting, access) by combining Cortex-M4F performance for control loops with Ethernet for BACnet/Modbus-TCP connectivity, USB for local configuration, and CAN-FD for inter-controller wiring. The 12-bit 1 MSPS ADC captures analog sensor inputs (temperature, humidity, light), while the dual 12-bit DAC generates analog control outputs for valves and dimmers. Flash with ECC and SRAM with ECC support IEC 60730 class-B aware firmware designs, and the extended -40C to +125C temperature range suits indoor equipment closets and outdoor enclosures alike.
Được đề xuất
Low-End Motor Control
The ATSAME53J18A-MF drives low-end BLDC, PMSM, and stepper motors using its Cortex-M4F core with hardware MAC for field-oriented control (FOC) math, and the on-chip 12-bit DAC for set-point generation alongside PWM timers for three-phase inverter switching. The extended -40C to +125C operating range supports industrial and appliance motor applications, and the 64-QFN exposed pad provides adequate thermal dissipation for the 100 mA-scale operation. Engineers can implement sensorless FOC, or use the on-chip PTC for capacitive touch speed dials replacing mechanical potentiometers.
Được đề xuất
Connected IoT Sensor Node
The ATSAME53J18A-MF powers connected IoT sensor nodes by aggregating analog sensor data through its 12-bit 1 MSPS ADC, processing with the Cortex-M4F DSP instructions, and forwarding via Ethernet or USB. SERCOM peripherals configurable as UART/SPI/I2C connect to radios, sensors, and EEPROMs, while the 256 KB Flash and 128 KB SRAM hold MQTT-SN or CoAP clients. Hardware ECC on Flash and SRAM improves data integrity in long-life deployments, and the wide operating voltage range (1.62 V to 3.6 V) supports direct battery or energy-harvester supply without an external LDO.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho ATSAME53J18A-MF — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | ATSAME53J19A-MF | ATSAME51J19A-MF | ATSAME51J18A-AF | ATSAME51J20A-MU | ATSAME53J18A-MFT |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | QFN-64 (9x9 mm) - same | QFN-64 (9x9 mm) - same | QFN-64 (9x9 mm) - same | QFN-64 (9x9 mm) - same | QFN-64 (9x9 mm) - same | QFN-64 (9x9 mm) - same |
| Core | ARM Cortex-M4F @ 120 MHz | ARM Cortex-M4F @ 120 MHz | ARM Cortex-M4F @ 120 MHz | ARM Cortex-M4F @ 120 MHz | ARM Cortex-M4F @ 120 MHz | ARM Cortex-M4F @ 120 MHz |
| Flash Memory | 256 KB | 512 KB | 512 KB | 256 KB | 1 MB | 256 KB |
| SRAM | 128 KB | 256 KB | 256 KB | 128 KB | 256 KB | 128 KB |
| Ethernet MAC | 10/100 + IEEE 1588 | 10/100 + IEEE 1588 | Not present | Not present | Not present | 10/100 + IEEE 1588 |
| USB 2.0 FS | Yes (device/host) | Yes (device/host) | Yes (device/host, SAM E51) | Yes (device/host) | Yes (device/host) | Yes (device/host) |
| CAN-FD | Yes | Yes | No | No | No | Yes |
| Operating Temperature | -40C to +125C | -40C to +125C | -40C to +125C | -40C to +85C (industrial) | -40C to +125C | -40C to +125C |
Bảo phân biệt quan trọng
- Integrated 10/100 Ethernet MAC with hardware IEEE 1588 PTP (vsATSAME51J18A-AF)
- Dual 12-bit DAC plus CAN-FD for industrial protocols (vsATSAME51J20A-MU)
- Peripheral Touch Controller (PTC) with up to 256 touch channels (vsATSAME51J19A-MF)
Ghi chú thiết kế
The 64-QFN package relies on its exposed thermal pad (pin 64) for heat dissipation. Per the Microchip SAM E53 datasheet, thermal resistance (theta_JA) on a standard JEDEC 4-layer test board is approximately 28 C/W. For an MCU drawing 100 mA at 3.3 V (330 mW), this yields a 9C rise above ambient - well within the 125C limit - but applications that drive many GPIO simultaneously at high toggle rates should allocate at least 4 vias (0.3 mm drill, 0.6 mm pad) under the EP to a 1 oz ground copper pour.
Place a 100 nF decoupling capacitor within 2 mm of each VDDIO pin (pins 5, 15, 33, 56) and a single 10 uF bulk capacitor near the VDDIN pin (pin 62). The internal LDO on pin 61 (VDDCORE) requires a 1 uF ceramic capacitor with ESR below 50 milliohm. Keep analog and digital supply traces separated, and short the VDDANA plane to VDDIO with a ferrite bead if analog accuracy below 1 LSB on the ADC is required.
Route the SWDIO/SWDCLK pair (pins 58/59) with ground return, no stubs, and keep traces under 50 mm to avoid debug connectivity failures. The 32.768 kHz crystal traces on PA00/PA01 should be guarded by a ground ring and isolated from high-speed signals. USB DP/DM differential pair (PD06/PD07, pins 41/42) requires 90 ohm differential impedance with no splits in the underlying ground plane.
Do not leave the RESETn pin floating; tie it to VDDIO through a 10 kohm resistor and provide a tactile or supervisory reset button for field recovery. The NVMCTRL row-write and page-erase commands lock the Flash for several ms - during which no code executes from the same bank; place non-time-critical data in a different Flash bank or use the dual-bank mode to keep executing while erasing.
Thông tin tuân thủ
RoHS compliant per Microchip product page. Industrial/extended temperature grade -40C to +125C. Not AEC-Q100 automotive qualified; choose ATSAME53J18A-AF automotive variant for automotive designs.
