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Description
D1s Product Overview
The D1s (also known as F133) is a cost‑effective RISC‑V decoding display processor from Allwinner Technology in LQFP-128-EP package (14×14mm, 0.4mm pitch). It integrates 64MB DDR2 memory via SiP, is manufactured on a 22nm process, and runs at up to 1GHz. The D1s supports full‑format 1080p video decoding (H.265/H.264/MPEG-1/2/4/JPEG, etc.) and features multiple display interfaces including RGB, LVDS, and MIPI DSI. Widely recognised as a reliable “screen‑wizard” by embedded developers, the D1s is ideal for industrial HMIs, smart home panels, commercial displays, automotive applications, and AIoT terminals.
D1s Core Features
64‑bit XuanTie C906 RISC‑V Processor： Alibaba T‑Head 64‑bit XuanTie C906 RISC‑V core up to 1GHz with RV64GC instruction set, supporting Linux and RTOS
Integrated 64MB DDR2 Memory： SiP‑integrated 64MB DDR2 running up to 533MHz – 2‑layer PCB runs Linux with ease, lowering hardware barriers and BOM cost
1080p Full‑Format Video Decode： H.265/H.264/MPEG-1/2/4/JPEG/VC1 decode up to 1080p@60fps; JPEG/MJPEG encode up to 1080p@60fps
SmartColor 2.0 Display Enhancement： Supports de‑interlacer (DI) up to 1080p@60fps, delivering superior visual quality
Multiple Display Outputs： RGB (up to 1920×1080), 4‑lane MIPI DSI (up to 1920×1200), single‑link LVDS (up to 1280×720) – compatible with a wide range of display modules
Camera Input Interface： 8‑bit parallel CSI (BT.601/BT.656) for camera video capture
Rich Peripheral Interfaces： GMAC Gigabit Ethernet MAC, USB 2.0 OTG/Host, 3×SD/MMC controllers (SD3.0/SDIO3.0/eMMC5.0), plus multiple UART/SPI/I2C/TWI/PWM
Flexible Boot Options： Boots from SPI NOR/NAND Flash, eMMC, or SD card
User‑Friendly LQFP-128-EP Package： Exposed‑pin LQFP requires no BGA precision soldering – standard reflow works, and rework is easy, significantly lowering production costs
D1s Applications
Industrial HMI： Industrial touch controllers, equipment control panels, instrument displays
Smart Home Panels： Central control panels, 86‑box panels, smart switches, video doorbells
Smart Commercial Displays： Advertising machines, digital signage, self‑service kiosks
Automotive & Consumer Electronics： In‑car MP5, rear‑seat entertainment screens, action cameras
Educational & Open‑Source Hardware： Learning devices, e‑dictionaries, RISC‑V development boards
AIoT Gateways： Edge computing nodes, data acquisition gateways
D1s Key Advantages
Integrated 64MB DDR for Ultimate Hardware Simplicity： The D1s‘s most significant advantage is its SiP‑integrated 64MB DDR2 memory, eliminating external DDR chips and enabling 2‑layer PCB designs – dramatically lowering hardware complexity and cost for embedded Linux systems
“Screen‑Wizard” Compatible with Numerous Display Modules： RGB, MIPI DSI, and single‑link LVDS interfaces cover a wide range of 2.4″ to 10.1″ screens with resolutions up to 1080p – ideal for embedded GUI development
1080p Full‑Format Hardware Decode + Efficient Encode： H.265/HEVC, H.264, MPEG-1/2/4, JPEG, Xvid, VC1 decode up to 1080p@60fps plus JPEG/MJPEG encode up to 1080p@60fps – complete multimedia solution for playback and capture
LQFP Package Lowers Manufacturing Costs： Unlike BGA‑packaged SoCs, the LQFP-128-EP package exposes all pins, requiring no X‑ray inspection – standard reflow soldering and even hand rework are feasible, reducing both production and maintenance costs
Stable Linux Mainline Support + Mature RISC‑V Ecosystem： Mainline Linux kernel and U‑Boot community support, with Allwinner providing complete Tina Linux BSP/SDK and RT-Thread/FreeRTOS support – a rich ecosystem that accelerates time‑to‑market
Excellent Cost‑Effectiveness for RISC‑V Linux Platform： As the first mass‑production RISC‑V application processor, the D1s balances performance and affordability, offering a highly cost‑effective core solution for domestic industrial HMI, commercial displays, and smart home products
Why Choose QIXINWEI
Years of experience in the electronics industry. Trusted by global customers. Massive In-Stock Inventory – Ready to ship promptly. BOM Matching Service – One-stop solution, save time. PCBA Customization – Professional engineering team creates tailor-made solutions based on your needs. Cost-Effective & Efficient – Better channel, better cost. A dedicated team makes your procurement smoother. Contact us for BOM quotes or PCBA inquiries.
FAQ:
What is the Allwinner D1s and what are its core specifications?
The Allwinner D1s is a highly integrated RISC‑V application processor built around the XuanTie C906 core, running at up to 1.0 GHz. It integrates 64 MB of on‑chip DDR2 memory, a 1080p video decoder, a 2D graphics accelerator, and a rich set of display and audio interfaces, all in an LQFP‑128‑EP package. Designed for cost‑sensitive HMI, smart home, and IoT gateway applications, the D1s delivers the performance of a modern 64‑bit RISC‑V processor in a hand‑solderable, mass‑production‑friendly package.
What is the XuanTie C906 core, and how does it benefit the D1s?
The XuanTie C906 is a high‑efficiency 64‑bit RISC‑V core developed by Alibaba's T‑Head, featuring RV64GC ISA support, an integrated MMU for Linux, and a single‑precision FPU. Its in‑order, deeply‑pipelined architecture provides excellent performance per watt. Combined with Allwinner's mature SoC design, the C906 allows the D1s to run a full Linux operating system with a modern instruction‑set architecture that is open, royalty‑free, and backed by a rapidly growing global software ecosystem.
Why does the D1s integrate 64 MB of on‑chip DDR2 memory? Is it enough?
The on‑chip 64 MB DDR2 eliminates the need for an external DRAM chip, drastically simplifying PCB layout, reducing BOM cost, and shrinking the overall board area. This amount of memory is sufficient to run a tailored Linux distribution (such as Tina Linux), a lightweight GUI framework, and application code. It is specifically sized for single‑purpose HMI panels, smart displays, and IoT gateways where the software stack is well‑defined and memory requirements are modest.
What video and display capabilities does the D1s offer?
The D1s integrates a hardware video decoder capable of playing 1080p H.264 and H.265 (HEVC) video at up to 60 frames per second. It supports display outputs including parallel RGB LCD and MIPI DSI, enabling direct connection to TFT panels up to 1080p resolution. The built‑in 2D graphics accelerator handles smooth UI rendering, making the D1s ideal for smart home control panels, industrial HMI screens, and digital signage.
How does the D1s compare with the Allwinner D1‑H? When should I choose the D1s?
Both chips share the same XuanTie C906 core and 64 MB on‑chip DDR2. The D1‑H is a larger package (LFBGA‑337) that provides an HDMI output and more I/O pins. The D1s is the streamlined version in an LQFP‑128‑EP package, which omits HDMI and reduces the I/O count. Choose the D1s when your product needs a RISC‑V Linux processor with a small, hand‑solderable footprint and you do not require HDMI. It is perfectly suited for integrated LCD panels and embedded HMI modules.
What is the advantage of the LQFP‑128‑EP package for the D1s?
The LQFP‑128‑EP package has exposed leads that can be drag‑soldered with a standard soldering iron and visually inspected. It is far more prototyping‑ and small‑batch‑production‑friendly than BGA packages. Combined with the on‑chip DDR2, the D1s enables a true single‑chip solution that can be manufactured by smaller contract assembly houses without X‑ray inspection, accelerating time‑to‑market and reducing production costs for start‑ups and mid‑volume products.
Can the D1s run Linux? What development tools and SDK are available?
Yes, the D1s fully supports Linux. Allwinner provides the Tina Linux SDK, which is based on OpenWrt and includes the U‑Boot bootloader, the RISC‑V Linux kernel, and a complete build environment. The SDK includes drivers for the GPU, video decoder, and display controller, as well as sample applications. The open‑source RISC‑V GCC toolchain is used for compilation, and the D1s is also supported by mainstream RTOS options such as RT‑Thread and FreeRTOS, giving developers a wide range of software choices.
Is the RISC‑V software ecosystem mature enough for commercial products built on the D1s?
Yes, the RISC‑V ecosystem has matured rapidly. The D1s benefits from the extensive software work done for the D1 series, including stable Linux kernel support, Debian/Ubuntu distribution ports, and a large number of third‑party libraries that have been validated on the C906 core. For embedded HMI and IoT gateway applications, the software stack is complete and production‑ready. The open‑source nature of RISC‑V also eliminates licensing fees and provides long‑term architectural flexibility.
How does the D1s handle audio and connectivity for IoT applications?
The D1s integrates audio interfaces including I²S and TDM, allowing connection to external audio codecs for microphone input and speaker output. For connectivity, it provides SDIO 3.0 for Wi‑Fi/BT modules, USB 2.0 OTG, Gigabit Ethernet (RGMII), and standard UART/SPI/I²C for sensors and peripherals. This makes the D1s a powerful central processor for IoT gateways that need to bridge Wi‑Fi or Ethernet networks with local sensors, displays, and audio devices.
What are the most typical applications for the Allwinner D1s RISC‑V processor?
It is used in smart home control panels, industrial HMI displays, IoT gateways, smart thermostats, digital signage, coffee machine displays, and any embedded product that needs a compact, cost‑effective RISC‑V Linux processor with a built‑in display interface and video playback. Its LQFP‑128‑EP package and on‑chip memory make it particularly attractive for products transitioning from microcontroller‑based designs to Linux‑capable systems.