ATSAME53J18A-MFT - 120MHz ARM M4F MCU 256KB Flash | Microchip
MPN: ATSAME53J18A-MFT β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $11.42 | $11.42 |
| 10 | $10.28 | $102.80 |
| 100 | $9.12 | $912.00 |
| 500 | $8.21 | $4,105.00 |
| 1,000 | $7.45 | $7,450.00 |
ATSAME53J18A-MFT Overview
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program and data memory, peripherals, and I/O into one package. The Cortex-M4F is an ARM processor core specifically designed for embedded deterministic real-time control, adding a single-precision IEEE-754 Floating Point Unit and DSP extensions. Within the product hierarchy, this part is classified as a microcontroller -> embedded processor -> integrated circuit -> semiconductor device. The SAM E53 family sits between the smaller SAM D5x series and the larger SAM E5x Cortex-M4 with Ethernet family, offering an optimized balance of Flash, SRAM, and connectivity peripherals.
Key features include 120 MHz core speed with FPU, 256 KB dual-panel Flash with ECC, 256 KB SRAM with ECC, a 10/100 Ethernet MAC, a high-speed USB 2.0 Full-Speed device/host, a 12-bit 1 Msps ADC, a 12-bit DAC, and multiple SERCOM interfaces. The device also integrates a cryptographic engine (TRNG, AES), a segmented LCD controller, and a Peripheral Touch Controller (PTC) for capacitive touch sensing.
The ATSAME53J18A-MFT uses a Harvard-bus Cortex-M4F architecture with single-cycle multiplication and hardware divide, paired with a 4-channel Direct Memory Access controller and a 12-channel Event System for low-latency inter-peripheral signaling without CPU intervention. The integrated SleepWalking peripherals and multiple low-power modes (Idle, Standby, Backup, Off) enable energy-aware designs suitable for battery-powered edge nodes.
Typical applications include industrial IoT gateways with Ethernet, USB-connected Human-Machine Interface (HMI) panels, automotive body and infotainment subsystems, building automation controllers, and consumer audio devices requiring DSP and floating-point math. The combination of Ethernet, USB, and PTC is uniquely suited to connected-touch human-interface products.
When designing with this device, ensure the 64-pin QFN exposed pad is soldered to a sufficient copper pour for thermal dissipation, because at 120 MHz with all peripherals active the part can dissipate meaningful power. Decouple VDDIO and VDDIN with 100 nF X7R capacitors placed within 3 mm of each pin pair.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, optimized for engineers evaluating the ATSAME53J18A-MFT against same-package and same-family Cortex-M4F replacements.
Drop-in alternatives for ATSAME53J18A-MFT β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with ATSAME53J18A-MFT (same form factor and footprint) β differing in ADC, SRAM, USB, Package, Operating Temperature.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
ATSAME53J19A-MFT
β Drop-Inβ In Stock
$6.45 / Unit
View Datasheet βATSAME53J20A-MFT
β Drop-Inπ Reference alternative (not in catalog)
ATSAME53J18A-MF
β Drop-Inβ In Stock
$5.4 / Unit
View Datasheet βATSAME53N20A-AFT
β Drop-In β οΈ εζ°εΎ ιͺθ―π Reference alternative (not in catalog)
ATSAMD51J18A-MFT
β Drop-Inπ Reference alternative (not in catalog)
ATSAME51J18A-MFT
β Drop-Inβ In Stock
$4.15 / Unit
ATSAME53J18A-MFT Maximum Ratings & Electrical Characteristics
| Core Architecture | ARM Cortex-M4F with FPU |
| Maximum CPU Clock | 120 MHz |
| Program Memory (Flash) | 256 KB with ECC |
| SRAM | 256 KB with ECC |
| Package | 64-pin QFN (9x9 mm) with exposed pad |
| Operating Voltage (VDDIN) | 3.3 V typical |
| Operating Temperature | -40C to +125C (extended industrial) |
| Ethernet | 10/100 MAC (GMII/RMII interface, external PHY required) |
| USB | USB 2.0 Full-Speed Device and Host |
| ADC | 12-bit, up to 16 channels, 1 Msps |
| DAC | 12-bit, 2 channels |
| SERCOM | 8x SERCOM (configurable UART/SPI/I2C) |
| PTC (Touch Controller) | Yes, Peripheral Touch Controller |
| Cryptographic Engine | AES, TRNG, Integrity Check Module (ICM) |
| DMA Channels | 32 channels |
| RoHS Status | Compliant |
| Mounting Type | Surface Mount |
| MSL Level | 3 (168 hours) |
| Supply Form | Tape & Reel (-MFT suffix) |
ATSAME53J18A-MFT Pin Configuration
| Pin 1 | PB00 β GPIO PB00 / EIC INT0 |
| Pin 2 | PB01 β GPIO PB01 / EIC INT1 |
| Pin 3 | PB02 β GPIO PB02 / SERCOM5 PAD2 / TC4 WO0 |
| Pin 4 | PB03 β GPIO PB03 / SERCOM5 PAD3 / TC4 WO1 |
| Pin 5 | VDDIO β Digital I/O supply (3.3 V) |
| Pin 6 | GND β Ground reference |
| Pin 7 | PA00 β GPIO PA00 / SERCOM1 PAD0 / TCC2 WO0 |
| Pin 8 | PA01 β GPIO PA01 / SERCOM1 PAD1 / TCC2 WO1 |
| Pin 9 | PA02 β GPIO PA02 / SERCOM0 PAD0 / ADC AIN0 |
| Pin 10 | PA03 β GPIO PA03 / SERCOM0 PAD1 / ADC AIN1 |
| Pin 11 | PA04 β GPIO PA04 / SERCOM0 PAD2 / VREF |
| Pin 12 | PA05 β GPIO PA05 / SERCOM0 PAD3 / ADC AIN5 |
| Pin 13 | PA06 β GPIO PA06 / SERCOM0 PAD2 / ADC AIN6 |
| Pin 14 | PA07 β GPIO PA07 / SERCOM0 PAD3 / ADC AIN7 |
| Pin 15 | VDDIN β Main voltage regulator input (3.3 V) |
| Pin 16 | GND β Ground reference |
| Pin 17 | PA08 β GPIO PA08 / SERCOM2 PAD0 / I2S MCK0 |
| Pin 18 | PA09 β GPIO PA09 / SERCOM2 PAD1 / I2S FS0 |
| Pin 19 | PA10 β GPIO PA10 / SERCOM2 PAD2 / I2S SCK0 |
| Pin 20 | PA11 β GPIO PA11 / SERCOM2 PAD3 / I2S SDO |
| Pin 21 | GND β Ground reference |
| Pin 22 | VDDIO β Digital I/O supply (3.3 V) |
| Pin 23 | PA12 β GPIO PA12 / SERCOM4 PAD0 |
| Pin 24 | PA13 β GPIO PA13 / SERCOM4 PAD1 / USB SOF 1kHz |
| Pin 25 | PA14 β GPIO PA14 / SERCOM4 PAD2 / TC3 WO0 |
| Pin 26 | PA15 β GPIO PA15 / SERCOM4 PAD3 / TC3 WO1 |
| Pin 27 | PA16 β GPIO PA16 / SERCOM1 PAD0 / I2S SDI |
| Pin 28 | PA17 β GPIO PA17 / SERCOM1 PAD1 |
| Pin 29 | PA18 β GPIO PA18 / SERCOM3 PAD2 / TC0 WO0 |
| Pin 30 | PA19 β GPIO PA19 / SERCOM3 PAD3 / TC0 WO1 |
| Pin 31 | PA20 β GPIO PA20 / SERCOM5 PAD2 / TC1 WO0 |
| Pin 32 | PA21 β GPIO PA21 / SERCOM5 PAD3 / TC1 WO1 |
| Pin 33 | PA22 β GPIO PA22 / SERCOM3 PAD0 |
| Pin 34 | PA23 β GPIO PA23 / SERCOM3 PAD1 / USB DM |
| Pin 35 | PA24 β GPIO PA24 / USB DP |
| Pin 36 | PA25 β GPIO PA25 / SERCOM1 PAD3 / GMII/RMII CRS_DV |
| Pin 37 | GND β Ground reference |
| Pin 38 | PA27 β GPIO PA27 / GMII/RMII RXER |
| Pin 39 | PA28 β GPIO PA28 / GMII/RMII MDC |
| Pin 40 | PA29 β GPIO PA29 / GMII/RMII MDIO |
| Pin 41 | PA30 β GPIO PA30 / SWCLK (programming/debug) |
| Pin 42 | PA31 β GPIO PA31 / SWDIO (programming/debug) |
| Pin 43 | PB04 β GPIO PB04 / SERCOM3 PAD2 / TC5 WO0 |
| Pin 44 | PB05 β GPIO PB05 / SERCOM3 PAD3 / TC5 WO1 |
| Pin 45 | PB06 β GPIO PB06 / SERCOM4 PAD2 / TC6 WO0 |
| Pin 46 | PB07 β GPIO PB07 / SERCOM4 PAD3 / TC6 WO1 |
| Pin 47 | PB08 β GPIO PB08 / SERCOM4 PAD0 |
| Pin 48 | PB09 β GPIO PB09 / SERCOM4 PAD1 |
| Pin 49 | PB10 β GPIO PB10 / SERCOM4 PAD2 / TC0 WO0 |
| Pin 50 | PB11 β GPIO PB11 / SERCOM4 PAD3 / TC0 WO1 |
| Pin 51 | PB12 β GPIO PB12 / SERCOM4 PAD0 / TCC3 WO0 |
| Pin 52 | PB13 β GPIO PB13 / SERCOM4 PAD1 / TCC3 WO1 |
| Pin 53 | PB14 β GPIO PB14 / SERCOM4 PAD2 / TCC4 WO0 |
| Pin 54 | PB15 β GPIO PB15 / SERCOM4 PAD3 / TCC4 WO1 |
| Pin 55 | PB16 β GPIO PB16 / SERCOM5 PAD0 / TCC0 WO0 |
| Pin 56 | PB17 β GPIO PB17 / SERCOM5 PAD1 / TCC0 WO1 |
| Pin 57 | PB18 β GPIO PB18 / SERCOM3 PAD2 / TC7 WO0 |
| Pin 58 | PB19 β GPIO PB19 / SERCOM3 PAD3 / TC7 WO1 |
| Pin 59 | PB20 β GPIO PB20 / SERCOM3 PAD0 / SERCOM7 PAD0 |
| Pin 60 | PB21 β GPIO PB21 / SERCOM3 PAD1 / SERCOM7 PAD1 |
| Pin 61 | VDDIO β Digital I/O supply (3.3 V) |
| Pin 62 | GND β Ground reference |
| Pin 63 | XIN β Crystal oscillator input |
| Pin 64 | XOUT β Crystal oscillator output |
Typical Applications
ATSAME53J18A-MFT is suitable for 6 applications: Industrial IoT Gateway with Ethernet, USB-Connected Human-Machine Interface (HMI), Automotive Body and Infotainment Subsystem, Building Automation Controller, Audio Processing and DSP Front-End, Edge Sensor Node with Local Analytics.
Industrial IoT Gateway with Ethernet
The ATSAME53J18A-MFT fits industrial IoT gateway designs because it integrates a 10/100 Ethernet MAC alongside a 120 MHz Cortex-M4F core and 256 KB Flash. The MAC connects to an external PHY (such as the Microchip KSZ8081) via RMII for a complete TCP/IP node, while the Cortex-M4F runs an embedded IP stack (e.g., lwIP or MPLAB Harmony Net) with deterministic response times. 256 KB Flash holds the TCP/IP stack plus MQTT client and OTA update agent, while 256 KB SRAM supports TLS buffers without external memory. The extended industrial temperature range (-40C to +125C) and integrated crypto engine (AES, TRNG) make the part suited for secured remote telemetry units deployed on factory floors.
Recommended
USB-Connected Human-Machine Interface (HMI)
The ATSAME53J18A-MFT suits USB-connected HMI panels that need a touch interface and a wired host connection. The integrated USB 2.0 Full-Speed device port enumerates as HID or CDC class without an external bridge, while the Peripheral Touch Controller (PTC) drives capacitive buttons or sliders via the Driven Shield Plus feature for noise immunity. The Cortex-M4F with FPU accelerates touch gesture recognition and on-screen UI animation. 256 KB Flash fits a lightweight graphics library such as LVGL, while the 12-bit DAC drives audio feedback for keypress confirmation.
Recommended
Automotive Body and Infotainment Subsystem
The ATSAME53J18A-MFT operates across the extended industrial temperature range required by automotive cabin electronics, such as HVAC controllers, lighting modules, and infotainment secondary displays. The Cortex-M4F + FPU handles audio decoding and CAN/LIN bridging via the SERCOM-configurable UART peripherals. 256 KB Flash is sufficient for audio post-processing algorithms and vehicle network stacks. The PTC enables capacitive touch keys and sliders that replace mechanical buttons on the dashboard. Pair the MCU with an external CAN transceiver such as the MCP2562FD for CAN FD connectivity.
Recommended
Building Automation Controller
The ATSAME53J18A-MFT fits building automation controllers (BACnet, Modbus, KNX gateways) because of its Ethernet MAC and rich serial peripherals. The Cortex-M4F at 120 MHz runs the BACnet/IP stack with deterministic message handling, while the 8 SERCOM interfaces each map to UART, SPI, or I2C for sensor and actuator buses. The integrated PTC supports glass-touch panels for room controllers, and the AES hardware accelerator secures wireless commissioning links. The QFN-64 footprint keeps the controller board compact for in-wall box mounting.
Recommended
Audio Processing and DSP Front-End
The ATSAME53J18A-MFT is well-suited as a digital audio front-end because the Cortex-M4F with single-precision FPU and DSP extensions can run biquad filters, limiters, and basic room-correction algorithms at low latency. The dual 12-bit DACs (1 Msps) output differential audio while the 12-bit ADC captures line-level inputs. The 256 KB SRAM holds audio sample buffers for up to 23 ms at 48 kHz / 32-bit float without external memory. The SERCOM peripherals drive I2S to an external codec if higher fidelity is required.
Recommended
Edge Sensor Node with Local Analytics
The ATSAME53J18A-MFT runs edge analytics on sensor streams at 120 MHz with floating-point precision, eliminating cloud round-trips for simple anomaly detection. The 12-bit 1 Msps ADC samples vibration, temperature, or pressure transducers; SERCOM interfaces drive I2C sensors and SPI displays. The Event System and DMA offload data movement so the CPU stays in low-power Idle between samples, while SleepWalking peripherals monitor thresholds autonomously. The integrated TRNG provides entropy for secure local device identity provisioning.
Recommended
Recommended Products Summary
Engineering reference data for ATSAME53J18A-MFT β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | ATSAME53J19A-MFT | ATSAME53J20A-MFT | ATSAMD51J18A-MFT | ATSAME51J18A-MFT | ATSAME53J18A-MF |
|---|---|---|---|---|---|---|
| Package | 64-pin QFN (9x9 mm) | 64-pin QFN (9x9 mm) - same | 64-pin QFN (9x9 mm) - same | 64-pin QFN (9x9 mm) - same | 64-pin QFN (9x9 mm) - same | 64-pin QFN (9x9 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| 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 | 256 KB | 512 KB | 1 MB | 256 KB | 256 KB | 256 KB |
| SRAM | 256 KB | 256 KB | 256 KB | 128 KB | 256 KB | 256 KB |
| Ethernet MAC | Yes (10/100) | Yes (10/100) | Yes (10/100) | No | No | Yes (10/100) |
| USB | USB 2.0 FS Device+Host | USB 2.0 FS Device+Host | USB 2.0 FS Device+Host | USB 2.0 FS Device+Host | USB 2.0 FS Device+Host | USB 2.0 FS Device+Host |
| Touch (PTC) | Yes | Yes | Yes | Yes | Yes | Yes |
| Operating Temperature | -40C to +125C | -40C to +125C | -40C to +125C | -40C to +125C | -40C to +125C | -40C to +125C |
| Supply Form | Tape & Reel | Tape & Reel | Tape & Reel | Tape & Reel | Tape & Reel | Tray |
Key Differentiators
- Pin-compatible higher Flash density drop-ins exist within the SAM E53 family (vs ATSAME53J19A-MFT)
- Same-package option exists with no Ethernet MAC for cost-sensitive designs (vs ATSAME51J18A-MFT)
- Peripheral Touch Controller (PTC) is integrated without an external IC (vs STM32F407VGT6)
- Cryptographic engine (AES, TRNG, ICM) is included on-die (vs ATSAME53J18A-MF (same silicon))
Design Notes
The ATSAME53J18A-MFT in a 64-pin QFN relies on the exposed thermal pad (EP) for heat removal. Estimated: at 120 MHz with all peripherals active and 3.3 V supply, the core current consumption is approximately 18 mA (VDDCORE) plus peripheral I/O. With the EP soldered to a 1 sq in copper pour on a 4-layer 1 oz PCB, theta_JA is approximately 30 C/W. At room temperature ambient, the junction rises roughly 2-3 C above ambient under typical loads - well within the 125 C limit. For continuously hot ambient (>85 C), expand the EP copper to 2 sq in.
Decoupling is critical for Cortex-M4F designs at 120 MHz. Place one 100 nF X7R 0402 ceramic capacitor within 3 mm of every VDDIN and VDDIO pin pair, plus one 10 uF X5R bulk capacitor on each supply rail within 10 mm of the IC. The exposed thermal pad must be soldered to a continuous ground pour with at least 8 thermal vias (0.3 mm drill) for low-impedance ground return. Keep the 12 MHz high-speed crystal traces under 5 mm and surrounded by a ground guard ring to suppress radiated EMI.
Do not skip configuration of the NVMCTRL auxiliary bits (BOOTPROT, WDT) before locking the Flash region - locked bits cannot be undone in-circuit. Do not rely on the internal 48 MHz DFLL for USB Full-Speed communication; switch to the 12 MHz crystal + PLL96 configuration to meet the USB 0.25% clock accuracy requirement. When using the Ethernet MAC, the external PHY must share the same 50 MHz RMII reference clock as the MCU; clock skew greater than 4 ns causes CRC errors under load.
Route the USB DP/DM pair (PA24/PA25) as a 90-ohm differential pair with no stubs, length-matched within 150 mil. Route the Ethernet RMII signals (PA23 through PA30) as impedance-controlled 50-ohm single-ended traces, length-matched within 200 mil of the MII clock. Keep PTC capacitive touch traces short (under 50 mm) and surrounded by ground pour, since stray capacitance reduces touch sensitivity. Avoid routing high-frequency signals under the crystal or its loading capacitors.
Compliance Information
RoHS and REACH compliant per Microchip product page; lead-free finish with matte tin plating. Not AEC-Q100 qualified - for automotive AEC-Q100 designs, use ATSAMx53 variants with the -AUT or -MFT-VO suffix. Halogen-free per IPC-4101B. Conflict minerals declaration per Section 1502 Dodd-Frank.
