SAM E54 Xplained Pro
by Microchip
The SAM E54 Xplained Pro evaluation kit is a hardware platform for evaluating the ATSAME54P20A microcontroller (MCU). Supported by the Studio integrated development platform, the kit provides easy access to the features of the ATSAME54P20A and explains how to integrate the device into a custom design.
In addition to ATSAME54P20A, the SAM E54 Xplained Pro Evaluation kit can also be used for evaluating the ATSAMD51P20A microcontroller as both MCUs are identical in pin count and peripherals except that ATSAMD51P20A does not have Ethernet and CAN FD.
The Xplained Pro MCU series evaluation kits include an on-board Embedded Debugger, eliminating the need for external tools to program or debug the ATSAME54P20A. The kits offers additional peripherals to extend the features of the board and ease the development of custom designs.
Note: Not all peripherals are supported by CircuitPython. The Ethernet, CAN, and Q-Touch button are not supported by CircuitPython at this time. Only 16MB (128MiB) of the QSPI flash is accessible via the CIRCUITPY drive.
CircuitPython requires that the board be flashed with the UF2 bootloader. This can be done using the second USB connector, which provides a debug interface. After this has been done once, CircuitPython can be installed and updated in the usual way using the UF2 bootloader, or by using the debug USB connector.
- ATSAME54P20A microcontroller
- Embedded Debugger
- Digital I/O - Two mechanical buttons (user and reset button). One Atmel QTouch button. One yellow user LED. Three Xplained Pro extension headers.
- 256Mb QSPI Flash
- ATECC508 CryptoAuthentication™ device
- AT24MAC402 serial EEPROM with EUI-48™ MAC address
- Ethernet - RJ45 connector with built-in magnetics, KSZ8091RNA PHY, 10Base-T/100Base-TX IEEE 802.3 compliant Ethernet tranceiver
- SD/SDIO card connector
- Parallell Capture Controller header (ArduCAM compatible)
- ATA6561 CAN transceiver
- Backup SuperCapacitor
- 32.768kHz & 12MHz crystal
- Debug connectors - 10-pin Cortex Debug Connector with SWD, 20-pin Cortex Debug + ETM Connector with four bit trace.
- Supported with application examples in Atmel START
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CircuitPython 9.2.1
This is the latest stable release of CircuitPython that will work with the SAM E54 Xplained Pro.
Use this release if you are new to CircuitPython.
Built-in modules available: _asyncio, _bleio, _pixelmap, adafruit_bus_device, adafruit_pixelbuf, aesio, analogio, array, atexit, audiobusio, audiocore, audioio, audiomixer, audiomp3, binascii, bitbangio, bitmapfilter, bitmaptools, board, builtins, builtins.pow3, busdisplay, busio, busio.SPI, busio.UART, canio, codeop, collections, countio, digitalio, displayio, epaperdisplay, errno, fontio, fourwire, framebufferio, frequencyio, getpass, gifio, i2cdisplaybus, i2ctarget, io, jpegio, json, keypad, keypad.KeyMatrix, keypad.Keys, keypad.ShiftRegisterKeys, locale, math, microcontroller, msgpack, neopixel_write, nvm, onewireio, os, os.getenv, paralleldisplaybus, pulseio, pwmio, rainbowio, random, re, rotaryio, rtc, sdcardio, sdioio, select, sharpdisplay, storage, struct, supervisor, synthio, sys, terminalio, time, touchio, traceback, ulab, usb_cdc, usb_hid, usb_midi, vectorio, warnings, zlib
Absolute Newest
Every time we commit new code to CircuitPython we automatically build binaries for each board and language. The binaries are stored on Amazon S3, organized by board, and then by language. These releases are even newer than the development release listed above. Try them if you want the absolute latest and are feeling daring or want to see if a problem has been fixed.
Previous Versions of CircuitPython
All previous releases of CircuitPython are available for download from Amazon S3 through the button below. For very old releases, look in the OLD/ folder for each board. Release notes for each release are available at GitHub button below.
Older releases are useful for testing if you something appears to be broken in a newer release but used to work, or if you have older code that depends on features only available in an older release. Otherwise we recommend using the latest stable release.
Update UF2 Bootloader
Latest version: v3.15.0
The bootloader allows you to load CircuitPython, MakeCode, and Arduino programs. The bootloader is not CircuitPython. You can check the current version of your bootloader by looking in the INFO_UF2.TXT file when the BOOT drive is visible (FEATHERBOOT, CPLAYBOOT, etc.).
It is not necessary to update your bootloader if it is working fine. Read the release notes on GitHub to see what has been changed. In general, we recommend you not update the bootloader unless you know there is a problem with it or a support person has asked you to try updating it.
To update, first save the contents of CIRCUITPY, just in case. Then double-click the reset button to show the BOOT drive. Drag the update-bootloader .uf2 file to the BOOT drive. Wait a few tens of seconds for the bootloader to update; the BOOT drive will reappear. After you update, check INFO_UF2.TXT to verify that the bootloader version has been updated. Then you will need to reload CircuitPython.