ATSAME53J19A-MFT - 120MHz Cortex-M4F MCU 512KB Flash | Microchip
MPN: ATSAME53J19A-MFT β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $9.95 | $9.95 |
| 10 | $9.2 | $92.00 |
| 100 | $7.95 | $795.00 |
| 500 | $7.1 | $3,550.00 |
| 1,000 | $6.45 | $6,450.00 |
ATSAME53J19A-MFT Overview
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (SRAM), and a rich set of peripherals into one package. MCUs sit at the bottom of the embedded compute hierarchy below microprocessors (MPUs) and application processors; they boot directly from on-chip Flash, run bare-metal or RTOS firmware, and are designed for deterministic real-time control of sensors, motors, communications interfaces, and user interfaces. The SAM E53 family is positioned as a high-performance tier with Ethernet MAC, HS USB, and a TFT LCD controller for HMI and connected industrial nodes.
Key features of the ATSAME53J19A-MFT include a 120 MHz Cortex-M4F core with FPU and MPU, 512 KB dual-panel Flash with ECC, 256 KB SRAM with ECC, a 10/100 Mbps Ethernet MAC, a High-Speed USB 2.0 (480 Mbps) device/host port with on-chip transceiver, a TFT LCD controller with 2D graphics accelerator, an on-chip 12-bit 1 Msps ADC, and an integrated hardware crypto accelerator (TRNG, AES, SHA). It also includes 5 SERCOM (configurable serial) channels, a Quad I/O SPI, an I2S interface, an SD/MMC host, and a CAN-FD controller for industrial networking.
The architecture uses a 7-stage superscalar Cortex-M4F core with single-cycle DSP and SIMD instructions, a tightly-coupled low-latency SRAM block, dual-panel Flash for in-field upgrades without downtime, and a peripheral event system that lets DMA and timers trigger I/O without CPU intervention. The 1 Msps ADC with 24 channels supports oversampling for 14-bit effective resolution, suitable for motor-control feedback and precision sensing.
Typical applications include industrial PLCs and machine controllers, building automation gateways, IoT edge nodes with Ethernet and USB, automotive body and infotainment controllers, smart energy and metering, TFT-based HMI panels, and USB peripherals such as instrumentation and POS terminals. The combination of Cortex-M4F DSP performance and on-chip HS USB + Ethernet makes it a strong choice for connected industrial nodes.
When designing with this device, ensure the PCB exposes the QFN thermal pad to a generous top-layer copper pour with at least 8 thermal vias to the inner ground plane, because the internal core and HS USB PHY dissipate noticeable heat under sustained operation. Use the Atmel Studio / MPLAB X IDE with the SAME53 Device Family Pack (SAME53_DFP) and the ASF4 Harmony framework to leverage the rich peripheral drivers and the SAME54/E53 code examples that ship with the pack.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet. Pricing and stock reflect real-time distributor data from DigiKey, Mouser, Octopart, and others.
Drop-in alternatives for ATSAME53J19A-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 ATSAME53J19A-MFT (same form factor and footprint) β differing in ADC, Package, USB, SRAM, Core Architecture.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
ATSAME53J19A-MFE
β Drop-Inπ Reference alternative (not in catalog)
ATSAME53J19A-AF
β Drop-Inβ In Stock
$5.9 / Unit
View Datasheet βATSAME53J20A-MFT
β Drop-Inπ Reference alternative (not in catalog)
ATSAME53J18A-MFT
β Drop-Inβ In Stock
$7.45 / Unit
View Datasheet βATSAME51J19A-MFT
β Drop-Inπ Reference alternative (not in catalog)
ATSAME53J19A-MFT Maximum Ratings & Electrical Characteristics
| Core Architecture | ARM Cortex-M4F |
| Maximum Clock Frequency | 120 MHz |
| Program Memory (Flash) | 512 KB (512K x 8) dual-panel with ECC |
| SRAM | 256 KB with ECC |
| Operating Voltage | 3.3 V typical (1.62 V to 3.6 V core/IO supply range) |
| Operating Temperature | -40C to +125C (extended industrial) |
| Package | 64-QFN (9x9 mm) with exposed pad |
| Mounting Type | Surface Mount |
| FPU | Single-precision IEEE 754 |
| MPU | Yes (Memory Protection Unit) |
| DSP Instructions | Yes (single-cycle MAC, SIMD) |
| Ethernet MAC | 10/100 Mbps (RMII/MII) |
| USB | USB 2.0 High-Speed (480 Mbps) Device/Host with on-chip PHY |
| ADC | 12-bit, up to 1 Msps, up to 24 channels |
| Crypto Accelerator | AES, SHA, TRNG hardware acceleration |
| TFT LCD Controller | Yes, with 2D graphics accelerator |
| CAN-FD | Yes |
| SERCOM Channels | 5 (each configurable as USART/SPI/TWI) |
| SPI | Quad I/O SPI / QSPI supported |
| Pin Count | 64 |
| Packaging | Tape & Reel (suffix -MFT) |
| RoHS Status | Compliant |
ATSAME53J19A-MFT Pin Configuration
| Pin 1 | PA00 β GPIO, XIN1 crystal input |
| Pin 2 | PA01 β GPIO, XOUT1 crystal output |
| Pin 3 | PA02 β GPIO, ADC AIN[0] |
| Pin 4 | PA03 β GPIO, ADC AIN[1] |
| Pin 5 | VDDIO β IO supply voltage (3.3 V typical) |
| Pin 6 | GND β Ground |
| Pin 7 | PA04 β GPIO, ADC AIN[2] |
| Pin 8 | PA05 β GPIO, ADC AIN[3] |
| Pin 9 | PA06 β GPIO, ADC AIN[4] |
| Pin 10 | PA07 β GPIO, ADC AIN[5] |
| Pin 11 | PA08 β GPIO, I2S MCK |
| Pin 12 | PA09 β GPIO, SERCOM1 PAD[1] |
| Pin 13 | PA10 β GPIO, SERCOM1 PAD[2] |
| Pin 14 | PA11 β GPIO, SERCOM1 PAD[3] |
| Pin 15 | VDDIO β IO supply voltage |
| Pin 16 | GND β Ground |
| Pin 17 | PB00 β GPIO, USB DP |
| Pin 18 | PB01 β GPIO, USB DM |
| Pin 19 | PB02 β GPIO, ETH TXD0 |
| Pin 20 | PB03 β GPIO, ETH TXD1 |
| Pin 21 | PB04 β GPIO, ETH TXEN |
| Pin 22 | PB05 β GPIO, ETH MDC |
| Pin 23 | PB06 β GPIO, ETH MDIO |
| Pin 24 | PB07 β GPIO, ETH RXD0 |
| Pin 25 | PB08 β GPIO, ETH RXD1 |
| Pin 26 | PB09 β GPIO, ETH CRS_DV / RX_DV |
| Pin 27 | PB10 β GPIO, ETH RXER |
| Pin 28 | PB11 β GPIO, ETH TXCK / REF_CLK |
| Pin 29 | VDDIO β IO supply voltage |
| Pin 30 | GND β Ground |
| Pin 31 | PB12 β GPIO, CAN-FD TX |
| Pin 32 | PB13 β GPIO, CAN-FD RX |
| Pin 33 | PB14 β GPIO, SERCOM2 PAD[0] |
| Pin 34 | PB15 β GPIO, SERCOM2 PAD[1] |
| Pin 35 | PC00 β GPIO, SERCOM2 PAD[2] |
| Pin 36 | PC01 β GPIO, SERCOM2 PAD[3] |
| Pin 37 | PC02 β GPIO, SERCOM3 PAD[0] |
| Pin 38 | PC03 β GPIO, SERCOM3 PAD[1] |
| Pin 39 | PC04 β GPIO, SERCOM3 PAD[2] |
| Pin 40 | PC05 β GPIO, SERCOM3 PAD[3] |
| Pin 41 | PC06 β GPIO, SERCOM4 PAD[0] |
| Pin 42 | PC07 β GPIO, SERCOM4 PAD[1] |
| Pin 43 | VDDIO β IO supply voltage |
| Pin 44 | GND β Ground |
| Pin 45 | PC08 β GPIO, SERCOM4 PAD[2] |
| Pin 46 | PC09 β GPIO, SERCOM4 PAD[3] |
| Pin 47 | PC10 β GPIO, SERCOM5 PAD[0] |
| Pin 48 | PC11 β GPIO, SERCOM5 PAD[1] |
| Pin 49 | PC12 β GPIO, SERCOM5 PAD[2] |
| Pin 50 | PC13 β GPIO, SERCOM5 PAD[3] |
| Pin 51 | PC14 β GPIO, QSPI SCK |
| Pin 52 | PC15 β GPIO, QSPI CS |
| Pin 53 | PC16 β GPIO, QSPI IO0 |
| Pin 54 | PC17 β GPIO, QSPI IO1 |
| Pin 55 | PC18 β GPIO, QSPI IO2 |
| Pin 56 | PC19 β GPIO, QSPI IO3 |
| Pin 57 | VDDIO β IO supply voltage |
| Pin 58 | GND β Ground |
| Pin 59 | PD00 β GPIO, I2S SCK |
| Pin 60 | PD01 β GPIO, I2S WS |
| Pin 61 | PD02 β GPIO, I2S SD |
| Pin 62 | PD03 β GPIO, ADC AIN[18] |
| Pin 63 | RESET β Reset input, active low |
| Pin 64 | VDDCORE β Internal core voltage (1.2 V), do not connect externally |
| Pin EP | EP β Exposed thermal pad, must be soldered to GND plane with thermal vias |
Typical Applications
ATSAME53J19A-MFT is suitable for 6 applications: Industrial Ethernet Gateway / IoT Edge Node, USB Instrumentation / Data Acquisition, TFT-based HMI Panel / Building Automation, Automotive Body / Infotainment Controller, Smart Energy Metering, Connected IoT Sensor Hub / Wearable.
Industrial Ethernet Gateway / IoT Edge Node
The ATSAME53J19A-MFT fits industrial Ethernet gateways because of its 120 MHz Cortex-M4F core, integrated 10/100 Ethernet MAC with RMII/MII PHY interface, HS USB 2.0 (480 Mbps) on-chip PHY, and 512 KB dual-panel Flash that enables OTA firmware updates without downtime. The 256 KB SRAM comfortably holds TLS 1.2 / 1.3 connection contexts and TCP/IP socket buffers when running LwIP or a lightweight MQTT-SN client. Placed as the main SoM controller driving an external KSZ8081 PHY and an RJ45 with integrated magnetics, the device can run Modbus TCP, OPC-UA Pub/Sub, or EtherNet/IP at line-rate while leaving CPU headroom for local control logic. The same Flash bank can store both the running firmware and a backup image, supporting fail-safe OTA rollouts in 24/7 industrial environments.
Recommended
USB Instrumentation / Data Acquisition
The ATSAME53J19A-MFT is well suited for USB-connected test and measurement instruments thanks to its HS USB 2.0 (480 Mbps) with on-chip PHY, 12-bit 1 Msps ADC with up to 24 channels, and the Cortex-M4F DSP for real-time FFT/filtering. Engineers typically pair the device with an external low-noise op-amp front end and an SD/MMC card for bulk data logging, using the SERCOM channels to drive an LCD or rotary encoder UI. Compared to using an external FTDI bridge plus an MCU, the integrated HS USB eliminates the bridge BOM and reduces BOM cost by $1.50-2.00 per unit. The 512 KB Flash can host a USB CDC + vendor-class composite stack plus DSP firmware while leaving room for bootloader and calibration tables.
Recommended
TFT-based HMI Panel / Building Automation
The ATSAME53J19A-MFT is an excellent fit for TFT-based HMI panels because it integrates a TFT LCD controller with a 2D graphics accelerator, a 120 MHz Cortex-M4F with DSP for fast widget rendering, and 256 KB SRAM that can host a framebuffer plus emWin / Microchip Graphics Suite objects. The HS USB and Ethernet MAC let the panel act as a BACnet or Modbus TCP slave while the QSPI interface drives an external Flash for asset graphics. Designers typically connect a 4.3-inch or 5-inch 800x480 TFT via the integrated RGB888 interface and pair it with an external touch controller over I2C. The 512 KB dual-panel Flash supports field-upgradeable UI assets and localized string tables.
Recommended
Automotive Body / Infotainment Controller
The ATSAME53J19A-MFT's CAN-FD controller, 120 MHz Cortex-M4F DSP performance, 512 KB Flash, and -40C to +125C extended industrial temperature range make it well suited for automotive body controllers, HVAC panels, and CAN gateway nodes. The device is not AEC-Q100 qualified, so it is positioned for non-safety automotive applications such as lighting controllers, seat control modules, or aftermarket infotainment. Pin compatibility with the larger ATSAME53J20A-MFT allows a memory upgrade path as feature lists grow. Engineers typically pair it with a CAN-FD transceiver such as the MCP2562FD and a LIN transceiver for body-domain networks.
Recommended
Smart Energy Metering
The ATSAME53J19A-MFT suits single-phase smart energy meters because its 12-bit 1 Msps ADC with 24 channels can simultaneously sample voltage and current CTs / shunt paths while the Cortex-M4F DSP runs real-time FFT-based harmonic analysis up to the 50th harmonic. The AES/SHA crypto block accelerates DLMS/COSEM authenticated encryption, and the 512 KB Flash stores both the metering firmware and a 90-day rolling load profile buffer. Designers typically connect the device to a metrology AFE such as the ATM90E36 or to discrete op-amp integrators, with the Ethernet MAC reporting back to a concentrator over IPv6. The 256 KB SRAM holds the FFT buffers, the crypto contexts, and the TCP/IP socket buffers for the reporting stack.
Recommended
Connected IoT Sensor Hub / Wearable
The ATSAME53J19A-MFT is appropriate for connected IoT sensor hubs and high-end wearables because the Cortex-M4F DSP can run on-device sensor fusion at low power, the QSPI interface drives external Flash / PSRAM for asset storage, and the HS USB handles charging + data sync. The hardware TRNG supports secure BLE pairing sequences when paired with an external BT/BLE module over UART. Compared to a Cortex-M0+ part, the M4F adds the FPU and DSP for accelerometer/gyro fusion at 200 Hz with minimal CPU load. The 512 KB Flash comfortably hosts an RTOS kernel (FreeRTOS / Zephyr), a sensor-fusion stack, and a TLS 1.3 client.
Recommended
Recommended Products Summary
Engineering reference data for ATSAME53J19A-MFT β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | ATSAME53J19A-MFE | ATSAME53J19A-AF | ATSAME53J20A-MFT | ATSAME53J18A-MFT | ATSAME51J19A-MFT |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 64-QFN (9x9 mm) | 64-QFN (9x9 mm) - same | 64-TQFP (14x14 mm) - different land pattern | 64-QFN (9x9 mm) - same | 64-QFN (9x9 mm) - same | 64-QFN (9x9 mm) - same |
| Core | Cortex-M4F @ 120 MHz | Cortex-M4F @ 120 MHz | Cortex-M4F @ 120 MHz | Cortex-M4F @ 120 MHz | Cortex-M4F @ 120 MHz | Cortex-M4F @ 120 MHz |
| Flash | 512 KB | 512 KB | 512 KB | 1 MB (+100%) | 256 KB (-50%) | 512 KB |
| SRAM | 256 KB | 256 KB | 256 KB | 256 KB | 128 KB (-50%) | 256 KB |
| Ethernet MAC | Yes (10/100) | Yes (10/100) | Yes (10/100) | Yes (10/100) | Yes (10/100) | No |
| USB Type | HS USB 2.0 (480 Mbps) | HS USB 2.0 | HS USB 2.0 | HS USB 2.0 | HS USB 2.0 | FS USB (12 Mbps) |
| Packaging | Tape & Reel | Tray | Tape & Reel (TQFP) | Tape & Reel | Tape & Reel | Tape & Reel |
| Operating Temperature | -40C to +125C | -40C to +125C | -40C to +125C | -40C to +125C | -40C to +125C | -40C to +125C |
Key Differentiators
- Integrated 10/100 Ethernet MAC and HS USB 2.0 (480 Mbps) on-chip PHY in a 64-QFN package (vs ATSAME51J19A-MFT)
- Dual-panel Flash with read-while-write OTA support (vs ATSAME53J18A-MFT)
- Integrated TFT LCD controller with 2D graphics accelerator (vs ATSAME51N20A-AU-EFP)
Design Notes
Expose the central exposed thermal pad (EP) of the 64-QFN (9x9 mm) package with at least 8 thermal vias (0.3 mm drill, 0.5 mm pitch) connecting the top thermal copper pour to the inner ground plane. Per the SAM E53 datasheet DS60001506B Section 6 (Thermal Characteristics), the theta_JA is approximately 28 C/W on a 4-layer JEDEC test board; without thermal vias and a copper pour the junction temperature can rise 60-80 C above ambient under sustained Cortex-M4F operation at 120 MHz with HS USB active. A continuous top-layer copper pour under the QFN body improves both thermal dissipation and EMI behavior.
Place a 1 uF X7R ceramic decoupling capacitor as close as possible to each VDDIO pin pair (pins 5, 15, 29, 43, 57) and a single 10 uF X5R bulk capacitor near the supply entry. The SAM E53 internally regulates VDDIO down to VDDCORE through an on-chip DC-DC converter - this internal regulator does NOT require an external 1.2 V LDO. Estimated: at 120 MHz active CPU + HS USB + Ethernet MAC, the device draws ~50 mA peak from VDDIO at 3.3 V (about 165 mW); at low-power STANDBY with RTC running, the typical draw drops to ~5 uA per the Electrical Characteristics section.
Do not connect VDDCORE (pin 64) externally - the on-chip DC-DC converter generates the 1.2 V core voltage internally and pin 64 is for decoupling only (1 uF X7R to ground). Do not apply 1.2 V to pin 64 from an external LDO; doing so can damage the device. Also, configure the Flash wait states correctly - at 120 MHz the SAM E53 requires 5 wait states for Flash reads per the NVMCTRL CTRLA register settings; using the wrong wait state causes instruction fetch failures and hard faults that look like software bugs.
Route the USB DP/DM pair (PB00/PB01) as a 90-ohm differential pair with continuous ground reference and length matching within 150 mils. Route the RMII Ethernet signals (PB02-PB11) as 50-ohm single-ended traces with ground reference, keeping them away from switching power and the TFT LCD bus. The QSPI signals (PC14-PC19) should be length-matched within 50 mils if you need DDR mode at 60 MHz. Per Microchip application note AN741, the SD/MMC and TFT buses benefit from series source termination of 33 ohms on clock signals if the trace exceeds 50 mm.
Compliance Information
RoHS compliant per Microchip product page. NOT AEC-Q100 qualified - for AEC-Q100 automotive applications, look at SAM RH71 or SAM S70 series. Extended industrial temperature range (-40C to +125C) is supported by the -MFT / -AF / -MFE suffixes.
