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SL1620 Embedded IoT Processor

Product Overview

Choose the Synaptics SL Series whenever you want to integrate AI-native systems on chip (SoCs) into your products. These embedded IoT processors run popular operating systems like Linux^® and Android^™, giving you the flexibility to create solutions for multiple applications.

The SL Series is the perfect option for building edge devices for multimodal industrial, enterprise and consumer IoT workloads. Featuring hardware accelerators, our chips speed up edge inferencing, provide data security, and process audio, graphics and video efficiently.

The SL1620 has a high-performance SoC design-optimized for demanding applications that need strong computing power, advanced AI capabilities and high-quality 3D graphics. It comes with a ready-to-use Linux^® OS out of the box, built-in superior audio processing algorithms, various peripherals, dual displays and compatibility with the companion Synaptics SoC for connectivity and audio front end.

Streamline product development with an embedded processor that also features a quad-core Arm^® Cortex^®-A55 CPU subsystem and a robust GPU for superior graphics.

Software and SDK

Documentation

Type	Title	Format
Product Brief	SL1620 Product Brief	PDF
Datasheet	SL1620 Datasheet	PDF
Functional Specifications	SL1620 Functional Specifications	PDF
Application Note	SL1620 General PCB Design DDR4 DDR3 Interface Layout Guide	PDF
Application Note	Astra Machina SL1620 HW Platform GPIO Pinmux	PDF
Application Note	Astra Machina SL16x0 SoC Interface-to-10base-T1S Ethernet App Note	PDF
Application Note	Astra Machina SL-Series Power Consumption Application Note	PDF
Register Specification	SL1620 Register Specifications: Peripheral Registers	PDF
Register Specification	SL1620 Register Specification: SoC Registers	PDF

AI-Native Edge SOC

High Performance Per Watt

Proven Security Model

Linux/Android SDX

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: 32/16-bit DDR3/DDR3L-1866/DDR4-2133
eMMC-5.1 and NAND controllers

GFX, Vision, Display

GPU: Imagination™ BXE-2-32
Dual display, MIPI DSI®
OpenGL® ES™ 3.2, OpenCL™ 3.0, EGL™ 1.5, Vulkan® 1.3, Android™ NN

Audio

I2S (Rx + Tx) or 10 channel TDM
Audio hardware mute
Far-field voice, keyword detection, decompression, post-processing

Security

Secure CPU, Secure Boot with RSA, DRM engine, integrity checking, true random number generator, on-chip anti-fuse OTP

Connectivity & I/O

GbE, IEEE 1588 PTP
USB3.0/2.0, UART, SDIO3.0, SPI, GPIOs, PWMs, Temp Sensor

Multi-modal IoT SoC with lower system cost
Powerful GPU enabling advanced graphics and out-of-the-box AI
Pairs with best-in-class Synaptics connectivity
Enables fast time to market

Enterprise conferencing
Home security gateways
Smart speakers and soundbars
Industrial control systems
Signage, displays, and wearables

SL1640

The power- and cost-efficient SL1640 is an embedded, reliable SoC. It uses superior compute engines, such as 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.

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SL1680

The SL1680 features powerful compute engines, such as 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 platform for development and evaluation. It allows developers to unlock the capabilities of Synaptics embedded processors. The kit integrates powerful multimedia processing, best-in-class AI capabilities and secure hardware, empowering you to develop edge and IoT devices quickly.

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