SL1640 Embedded IoT Processor
Product Overview
The Synaptics SL Series of embedded processors are highly integrated AI-native Linux® and Android™ systems on chip (SoCs) optimized for multi-modal consumer, enterprise, and industrial IoT workloads with hardware accelerators for edge inferencing, security, video, graphics, and audio. The SL1640 is a cost and power optimized secure embedded SoC with high-performance compute engines including a quad-core Arm® Cortex®-A55, 1.6+ TOPS NPU, Imagination GE9920 GPU with 90 GFLOPS 16-bit operations, Ultra HD video encode and decode pipelines, and audio DSP.
The SL1640 supports the Synaptics Astra™ platform, delivering a unified experience combining standards-based open software frameworks, full-featured AI toolkits, and Synaptics’ best-in-class wireless connectivity portfolio.
Documentation
| Type | Title | Format |
|---|---|---|
| Product Brief | SL1640 Product Brief | |
| Datasheet | SL1640 Datasheet | |
| Functional Specifications | SL1640 Functional Specifications | |
| Application Note | SL1640 General PCB Design DDR4 LPDDR4(x) Interface Layout Guide | |
| Application Note | Astra Machina SL16x0 SoC Interface-to-10base-T1S Ethernet App Note | |
| Application Note | Astra Machina SL-Series Power Consumption Application Note | |
| Register Specification | SL1640 Register Specifications: Peripheral Registers | |
| Register Specification | SL1640 Register Specification: SoC Registers |
Features
Compute, Memory, AI
- Quad-core Arm® Cortex®-A55 @ 1.9GHz
- Cache: 32KB/32KB L1 I/D-cache and 64KB L2 per core, 512KB shared L3
- DRAM Controller: 32-bit DDR4-3200, LPDDR4/LPDDR4x-3733
- 1.6+ TOPS secure NPU with support for multiple DNN frameworks
- Dual Tensilica HiFi4 DSP
GFX, Vision, Display
- GPU: Imagination™ PowerVR™ Series9XE GE9608
- Multi-standard video decoding with AV1, H.265/264, VP8/9, MPEG-2
- H.264 single 1080p30 8-bit encoding
- OpenGL® ES™ up to 3.2, OpenCL™ 1.2, Vulkan® 1.1, Android™ NN
Audio
- Far-field voice, keyword detection, decompression, post-processing
Security
- Secure CPU, Secure Boot with RSA, memory scrambling
- Integrity checking, physical attack mitigation, true random number generator
Connectivity, I/O, Sensing
- PCIe, 10/100 Ethernet, eMMC 5.1, SPI, SDIO, UART, USB, GPIO, ADCs
- Always-on domain for multi-protocol wake-up events
Related Products
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SL1620
The SL1620 is designed and optimized for embedded applications that require powerful processing, advanced AI capability, and 3D graphics. This chip comes with Linux® OS, superior audio algorithms, a variety of peripherals, dual displays, companion Synaptics SoC for connectivity and audio front end.
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SL1680
The SL1680 incorporates high-performance compute engines, with a quad-core Arm® Cortex®-A73 64-bit CPU subsystem, a multi-TOPS NPU, a feature-rich GPU for advanced graphics and AI acceleration, and multimedia accelerators for image signal processing (ISP), 4K video encode/decode, and audio.
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Astra Machina
Astra Machina is a modular developer kit for Synaptics SL-Series of high-performance embedded processors. It integrates advanced AI capabilities, robust multimedia processing, and secure hardware, enabling rapid development of IoT and edge computing devices.
Leverage an AI-Native SoC for Your IoT Devices
Build Quickly With On-Device AI
The SL1640 comes with ready-made AI models, empowering you to implement smart features on your devices quickly. Use our top-quality embedded AI tools to deploy your existing ONNX, TensorFlow Lite and PyTorch AI models on the device's built-in AI accelerators.
Unlock the SL1640's Capabilities With Astra Machina
The Astra Machina Foundation is the development and evaluation platform for the SL1640. It provides the compute, wireless and software tools to help you fully utilize the processor's capabilities.
Astra Support & Resources
SL1640 System Block Diagram
Resources
Explore tools and helpful insights.
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