OrangeCrab

The OrangeCrab is an Adafruit Feather compatible SBC based on the Lattice ECP5 FPGA. The FPGA can emulate various CPU architectures, notably RISC-V. It’s equipped with 128MB DDR3L, a microSD slot, and I/O that the FPGA can assign as GPIOs, ADC, PWM, I2C, SPI, UART, and more.


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Overview...
  • Board Name -- OrangeCrab
  • Category -- SBC
  • Model (if known) -- r0.2
  • Manufacturer -- GsD
  • Official website -- https://groupgets.com/crab
  • Price (if known) -- $99 (USD)
  • Additional info may be found via this automated Google search
  • Dated posted -- Mar. 15, 2020 3:05pm
System-on-Chip...
  • Lattice ECP5-25F
  • Primary processor type -- RISC-V
  • Primary processor word-width -- 32-bit
  • Primary processor cores -- 1
  • Primary processor clock rate (GHz) -- 0.07
Additional processors (if any)...
  • GPU (graphics) --
  • MCU (microcontroller) --
  • FPGA (gates) -- Lattice ECP5-25F
  • Other (DSP, FPU, NPU, TPU, AI...) --
System RAM...
  • Maximum capacity (GB) -- 0
  • Type -- DDR3L
  • ECC support -- No
  • Factory installed? -- Yes
On-board solid-state storage...
  • Maximum capacity (GB) -- 0.0
  • Type -- QSPI
  • Factory installed? -- Yes
Removable solid-state storage...
  • Interface type -- microSD
  • m.2 interfaces -- 0
  • m.2 NVMe support --
SATA support...
  • SATA ports -- 0
USB ports...
  • USB hosts -- 0
  • USB host types --
  • USB OTG ports -- 1
Ethernet...
  • Ethernet interfaces -- 0
  • Maximum LAN speed (Mbps) --
  • Wake-on-LAN support? --
Wireless...
  • WiFi --
  • Bluetooth --
  • Broadband --
  • LoRa --
HDMI...
  • Number of HDMI ports -- 0
  • HDMI version --
  • Max. HDMI resolution --
  • FPS at max. resolution --
  • HDMI audio support? -- No
Other display interfaces...
  • Composite video (CVBS) ports -- 0
  • Other display interfaces (DSI, LVDS, VGA...) --
Camera interfaces...
  • Number of camera ports -- 0
  • Camera interface types --
Audio I/O...
  • Analog output ports -- 0
  • Audio connector type -- n/a
  • Audio via HDMI? -- No
  • SPDIF interfaces -- 0
  • Line inputs -- 0
  • Mic inputs -- 0
  • On-board microphones -- 0
Other I/O...
  • GPIO -- 20
  • ADC -- 6
  • PWM -- 0
  • SPI -- 0
  • I2C -- 0
  • UARTs -- 0
  • RS232 (or 485 or 422) -- 0
  • IR receiver -- No
Expansion connector compatibility?
  • Arduino compatible -- No
  • Raspberry Pi compatible -- No
Miscellaneous functions...
  • Real time clock (RTC) support --
  • PMIC/PMU (power management controllers) --
  • Lithium battery support -- 3.7V Li-Po cells
Operating system support...
  • Linux -- Kernel 5.0
  • Android --
  • Windows --
  • Other OSes --
Other features not listed elsewhere:

* Full-speed (12Mbit) USB with a direct connection to the FPGA
* JTAG debug header
* Compatible with Adafruit FeatherWing add-on boards
* More specs here: https://gregdavill.github.io/OrangeCrab/r0.2/

Physical specs...
  • Width (mm) -- 51
  • Height (mm) -- 23
  • Depth (mm) -- 9
  • Weight (gm) -- 6
  • Input voltage, min. (V) -- 5
  • Input voltage, max. (V) -- 5
  • Input current, min. (A) -- 0
  • Input current, max. (A) -- 0.1
  • Operating temp., min. (°C) --
  • Operating temp., max. (°C) --
  • Certifications -- (none listed)
Further information...
[board ID = 413]

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