Introduction

KSTR-SAMA5D27 is a small-footprint single board computer designed with security and low power consumption in mind. It is equipped with a Microchip SAMA5D27 SoC based on an ARM Cortex-A5 core running at 500MHz. It is integrated with 256MB of LPDDR2 memory.  Connectivity with the outside world is possible via 10/100Mbps Ethernet interface, 802.11bgn Wi-Fi interface or Bluetooth 5.0. KSTR-SAMA5D27 offers state-of-the-art security options: secure boot strategies, ARM TrustZone® secure enclave and physical tamper protection. The SoC supports high-performance crypto accelerators: AES, SHA and TRNG.

Specifications

• Product page
• Product flyer
• Datasheet (preliminary)

Software support

See Feature support matrix for quick reference.

Linux

Supported kernel versions:

• 5.16

Ubuntu

Supported versions:

• 20.04 LTS (focal)

Buildroot

Yocto

U-Boot

U-Boot v2021.04 is supported. Booting from SD card, Ethernet (TFTP) and via JTAG is possible.

OP-TEE

OP-TEE is supported.

FreeBSD

Howtos and tutorials

• Installing Ubuntu image
• Creating a custom Ubuntu-based system
• Creating a custom Buildroot-based system

Software resources

• Prebuilt binaries:
  • Ubuntu 20.04 LTS
• Ubuntu build repostory: https://gitlab.conclusive.pl/devices/ubuntu-build.git
  • Branch: master
  • AT91Bootstrap
• AT91Bootstrap repository: https://gitlab.conclusive.pl/devices/kstr-sama5d27/at91bootstrap.git
  • Branch: master
  • U-Boot
• U-Boot repository: https://gitlab.conclusive.pl/devices/u-boot.git
  • Branch: master
  • Latest supported version: 2021.04
• Linux kernel repository: https://gitlab.conclusive.pl/conclusive/linux.git 
  • Branch: master
  • Latest supported version: 5.16

Documentation

• Datasheet