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.
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.
Define your AI journey
On-device AI in Minutes
Get started today with AI models pre-optimized for Synaptics Astra Processors and discover the possibilities.
Optimize PyTorch, ONNX or TensorFlow Lite models for on-device AI accelerators with best in class embedded AI tools.
Making Edge AI Real
Astra Machina is the industry’s premier IoT system for compute, Edge AI, and connectivity built on open software.
Modular developer kit for Astra SL-Series of high-performance IoT processors with integrated wireless connectivity.
Astra Support & Resources
SL1640 System Block Diagram
Resources
Explore tools and helpful insights.
In the Media
Unleashing Astra: Synaptics’ Vision for the Future of IoT and Edge AI
The Evolving Edge AI Universe Needs A New Class Of Compute
