Conclusive Engineering KSTR-SAMA5D27 is a compact single board computer (70x50mm) featuring a 500 MHz Microchip SAMA5D27 Arm Cortex-A5 processor with 256MB LPDDR2. It includes a microSD slot and EEPROM for storage, Fast Ethernet, WiFi 4, Bluetooth 4.1, a USB-C port, two GPIO headers, and supports both USB and battery power—ideal for IoT, smart systems, and edge computing.
Specifications:
– SiP: Microchip SAMA5D27
– CPU: Arm Cortex-A5 @ 500 MHz
– Memory: 256 MB LPDDR2
– Storage:
– MicroSD card slot
– 4KB EEPROM
– Networking:
– 10/100Mbps Ethernet RJ45
– 2.4 GHz WiFi and Bluetooth 4.1
– USB:
– 1x USB 2.0 OTG Type-C
– USB 2.0 Host on expansion header
– Expansion:
– 34-pin and 30-pin connectors
– Interfaces: Flexcom, I2C, SPI, UART, ADC, ISC, PWM, Timer I/O, CAN Bus, USB, PDMIC, Console UART
– Debug:
– Console debug UART
– Developer Cable: UART, JTAG, I2C
– Security:
– Arm TrustZone, Secure Boot, Encryption engine, Memory monitor
– Misc:
– Reset button, 3 status LEDs, RTC with battery backup, Voltage switch pins
– Power Management:
– 5V DC USB Type-C
– Li-Ion battery support, consumption below 200 μA (low power state), 5 μA (backup mode)
– Dimensions: 70 x 50 mm
Conclusive Engineering supports Linux 6.1 & 6.5, U-Boot, Yocto Project, Buildroot, and Ubuntu, with FreeBSD available on request. Documentation and OS images are on the wiki.
The SAMA5D2 series launched in 2018, with similar boards released from 2019 to 2021. The KSTR-SAMA5D7, although based on an older chip, seems new, available since last year.
Available for $119 (+VAT) on the Conclusive store, with more info on the product page.