risc-v

Posted on by Jean-Luc Aufranc (CNXSoft) - 24 Comments on $25 Sipeed Tang Nano 20K FPGA board can simulate a RISC-V core, run Linux, retro games

$25 Sipeed Tang Nano 20K FPGA board can simulate a RISC-V core, run Linux, retro games

Sipeed Tang Nano 20K

The Sipeed Tang Nano 20K is a low-cost FPGA development board based on Gowin GW2AR-18 FPGA with 20,736 logic cells and 64Mbit RAM, which coupled with  64MBit QSPI flash provides enough resources to simulate a 32-bit RISC-V core booting Linux or playing retro games in an emulator. The FPGA board comes with a USB-C port for power and to load the FPGA bitstream through a BL616 microcontroller that also acts as a USB to serial chip, an HDMI port and an RGB LCD interface for video output, two user buttons, and two rows GPIOs to connect peripherals such as gamepads (through adapters). Sipeed Tang Nano 20K specifications: FPGA – Gowin GW2A-LV18QN88C8I7 with 20,736 logic units (LUT4) 15,552 flip-flops (FF) RAM 41,472 shadow SRAM (S-SRAM) 828K block SRAM (B-SRAM) Numbers of B-SRAM – 46 64Mbit 32-bit SDR SDRAM 48x 18×18 multipliers 2x PLLs 8x I/O Bank Onboard debugger – Bouffalo Labs […]

Posted on by Jean-Luc Aufranc (CNXSoft) - No Comments on AndesAIRE AnDLA I350 AI/ML IP block is configurable from 64 GOPS to 8TOPS for Edge AI SoCs

AndesAIRE AnDLA I350 AI/ML IP block is configurable from 64 GOPS to 8TOPS for Edge AI SoCs

AnDLA I350 Block Diagram

Andes Technology has just announced the AndesAIRE product line, where AndesAIRE stands for Andes AI Runs Everywhere, comprised of the AndesAIRE AnDLA I350 (Andes Deep Learning Accelerator) AI/ML hardware accelerator intellectual property (IP) and the AndesAIRE NN SDK with neural network software tools and runtimes. AndesAIRE AnDLA I350 AnDLA I350 specifications: Configurable MACs from 32 to 4096 (INT8) Maximum performance – 8 TOPS at 1GHz Configurable local memory – 16KB to 4MB Multi-dimension DMA Four 64-bit AXI bus interfaces NN type – CNN inference NN models Image and Video: AlexNet, VGG-16/19, MobileNet-v1/v2/v3, ResNet-8/50, Tiny YOLO v1/v2, YOLO v1/v2/v3/v4/v5, SSD MobileNet v1/v2, Inception v2, EfficientNet-lite, MobileFaceNet, BlazeNet Speech/Voice and audio: LSTM, RNN, GRU Operators: Conv2d, depthwise convolution, pointwise convolution, transpose convolution, dilated convolution, element-wise (add, sub, mul), fully-connected, activation (ReLU, leaky ReLU, sigmoid, Tanh, ReLU6, SiLU), pooling (max, ave), upsample, concatenation, batch normalization, channel padding Operator fusion NHWC data format The IP […]

Posted on by Jean-Luc Aufranc (CNXSoft) - 38 Comments on Lichee Pi 4A RISC-V SBC takes on Raspberry Pi 4 with TH1520 processor

Lichee Pi 4A RISC-V SBC takes on Raspberry Pi 4 with TH1520 processor

Lichee Pi 4A RISC V SBC

Lichee Pi 4A is a single board computer (SBC) powered by Alibaba T-Head TH1520 quad-core RISC-V Xuantie C910  processor @ 2.0 GHz with an Imagination GPU and a 4 TOPS NPU for AI that can compete against the Raspberry Pi 4 in terms of performance and features. We previously mentioned the Lichee Pi 4A (LPi4A) in our article about the Sipeed LM4A RISC-V system-on-module, but at the time we only had some benchmarks for the board and no photos and specifications about the SBC. Sipeed has now released photos, published detailed specifications, and is taking orders for the board. So let’s have a closer look. Lichee Pi 4A specifications against the ones for Raspberry Pi 4.   The TH1520 used to be advertised at up to 2.5 GHz, but it seems to have now come down to 2.0 GHz. Software support will include Debian, OpenWrt, and Android which should then […]

Posted on by Jean-Luc Aufranc (CNXSoft) - 2 Comments on Linux 6.3 release – Notable changes, Arm, RISC-V and MIPS architectures

Linux 6.3 release – Notable changes, Arm, RISC-V and MIPS architectures

Linux 6.3 release

Linux Torvalds has just announced the release of Linux 6.3 on the Linux Kernel Mailing List (LKML): It’s been a calm release this time around, and the last week was really no different. So here we are, right on schedule, with the 6.3 release out and ready for your enjoyment. That doesn’t mean that something nasty couldn’t have been lurking all these weeks, of course, but let’s just take things at face value and hope it all means that everything is fine, and it really was a nice controlled release cycle. It happens. This also obviously means the merge window for 6.4 will open tomorrow. I already have two dozen pull requests waiting for me to start doing my pulls, and I appreciate it. I expect I’ll have even more when I wake up tomorrow. But in the meantime, let’s enjoy (and test) the 6.3 release. As always, the shortlog […]

Posted on by Jean-Luc Aufranc (CNXSoft) - 4 Comments on Nordic Semi nRF54H20 Cortex-M33 + RISC-V wireless SoC supports Bluetooth 5.4, LE Audio, Bluetooth mesh, Thread, Matter, and more

Nordic Semi nRF54H20 Cortex-M33 + RISC-V wireless SoC supports Bluetooth 5.4, LE Audio, Bluetooth mesh, Thread, Matter, and more

nRF54H20

Nordic Semi nRF54H20 is a 320 MHz multiprotocol wireless SoC with several Arm Cortex-M33 and RISC-V cores, support for Bluetooth 5.4 and greater with features like LE Audio and Bluetooth mesh, as well as Thread, Matter, and so on. It is the first part of the fourth generation nRF54 family manufactured with a 22nm process, and its application processor doubles the processing power (2x CoreMark) of the Arm Cortex-M33 application core in the nRF5340 SoC and embeds up to 2MB flash, 1MB SRAM. nRF54H20 preliminary specifications and highlights: CPU Application core  – Arm Cortex-M33 @ up to 320 MHz with 2 MB Flash + 1MB SRAM Network core –  Arm Cortex-M33 Several RISC-V cores (for low power?) Wireless Bluetooth 5.4 LE with direction-finding, Bluetooth mesh, LE audio, etc… 802.15.4 radio for Thread, Matter -100 dBm RX sensitivity @ 1 Mbps for Bluetooth LE Up to 10 dBm TX power New […]

Posted on by Jean-Luc Aufranc (CNXSoft) - 10 Comments on PineTab-V RISC-V tablet devkit is based on StarFive JH7110 SoC, PineTab2 design

PineTab-V RISC-V tablet devkit is based on StarFive JH7110 SoC, PineTab2 design

Pinetab2 RISC-V motherboard

The PineTab-V is a RISC-V tablet, or rather a tablet development kit, based on StarFive JH7110 quad-core RISC-V SoC, and with the same design as the upcoming Arm-based PineTab2 tablet that’s scheduled to launch on April 11. Pine64 just launched the Star64 single board computer to help with software development on Linux-capable RISC-V hardware, and they took the opportunity to lay out a tablet board based on the same JH7110 to replace the Rockchip RK3566 board found in the PineTab2, so eventually, a working sample should look like that… PineTab-V preliminary specifications: SoC – StarFive JH7110 with CPU – Quad-core 64-bit RISC-V (SiFive U74 – RV64GC) processor @ up to 1.5 GHz GPU – Imagination BXE-4-32 GPU @ up to 600 MHz supporting OpenGL ES 3.2, OpenCL 1.2, Vulkan 1.2 VPU 4Kp60 H.265/H.264 video decoder 1080p30 H.265 video encoder System & Storage Option 1 – 4GB LPDDR4, 64GB eMMC flash […]

Posted on by Jean-Luc Aufranc (CNXSoft) - 43 Comments on Pine64 Star64 SBC with StarFive JH7110 RISC-V SoC with GPU to launch for $69.99 and up

Pine64 Star64 SBC with StarFive JH7110 RISC-V SoC with GPU to launch for $69.99 and up

Pine64 RISC-V Linux single board computer

Pine64 Star64 is a single board computer (SBC) powered by StarFive JH7110 quad-core 64-bit RISC-V processor equipped with an Imagination BXE-4-32 GPU, and in a form factor similar to the earlier Pine64 model A boards such as the Quartz64 Model A. The Star64 SBC ships with either 4GB or 8GB of RAM, an HDMI 2.0 video output connector, two Gigabit Ethernet ports, a WiFi 6 and Bluetooth 5.2 module, USB 3.0 ports, a PCIe slot, and a GPIO header for expansion. Star64 specifications: SoC – StarFive JH7110 with CPU – Quad-core 64-bit RISC-V (SiFive U74 – RV64GC) processor @ up to 1.5 GHz GPU – Imagination BXE-4-32 GPU @ up to 600 MHz supporting OpenGL ES 3.2, OpenCL 1.2, Vulkan 1.2 VPU 4Kp60 H.265/H.264 video decoder 1080p30 H.265 video encoder System Memory – 4GB or 8GB LPDDR4 Storage – MicroSD card slot, eMMC flash module socket up to 128GB, 128Mbit […]

Posted on by Jean-Luc Aufranc (CNXSoft) - 10 Comments on ASUS unveils Tinker V RISC-V single board computer, Tinker board 3 SBC with Rockchip RK3568 SoC

ASUS unveils Tinker V RISC-V single board computer, Tinker board 3 SBC with Rockchip RK3568 SoC

ASUS Tinker V RISC-V SBC

ASUS IoT has added two new members to the Tinker board family with the Tinker V and Tinker Board 3 single board computers powered by respectively Renesas RZ/Five single-core RISC-V SoC and Rockchip RK3568 quad-core Arm Cortex-A55 processor. ASUS Tinker V RISC-V SBC Tinker V specifications: SoC – Renesas RZ/Five single core AndesCore AX45MP RISC-V processor clocked at 1.0 GHz System Memory – 1GB DDR4 Storage – MicroSD card slot, optional 16GB eMMC flash, optional SPI flash Networking – 2x Gigabit Ethernet RJ45 ports USB – 1x Micro USB port, 1x Micro USB (OTG) port Serial – 2x CAN Bus via 6-pin terminal block 2x COM RS232 via 5-pin terminal block Expansion – 20-pin GPIO header with up to 2x UART, 2x I2C, 4x GPIO, 2x ADC, 1x SPI, 3.3V, and GND Debugging – JTAG pin header Power Supply – 10 to 24V DC via 5.5/2.5 mm DC barrel jack […]

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