Sparkfun QuickLogic Thing Plus Documento técnico

QuickLogic Thing Plus (EOS S3) Hookup Guide

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Introduction

Note: Content for this user guide was originally written by QuickLogic.

This guide provides users with functional descriptions, configuration options for the QuickLogic Thing Plus EOS

S3. It also serves as a “Getting Started” and “How To” guide.

SparkFun QuickLogic Thing Plus - EOS S3

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DEV-17273

Product Showcase: SparkFun QuickLogic Thing PlusProduct Showcase: SparkFun QuickLogic Thing Plus

Required Materials

To follow along with this tutorial, you will need the following materials. You may not need everything though

depending on what you have. Add it to your cart, read through the guide, and adjust the cart as necessary.

You Will Also Need

You will also need a computer with a terminal program or any UART console application. For the scope of this

tutorial, we will use PuTTY.

Computer with Windows 10 OS or Linux OS

Serial Terminal

Note: Windows 7, Windows 8 and Virtual Ubuntu machines are not supported.

Suggested Reading

If you aren't familiar with the Qwiic system, we recommend reading here for an overview .

SparkFun QuickLogic Thing Plus - EOS S3

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DEV-17273

Reversible USB A to Reversible Micro-B Cable -

0.8m

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CAB-15428

Qwiic Connect System

If you aren’t familiar with the following concepts, we also recommend checking out a few of these tutorials before

continuing.

Hardware Overview

Serial Peripheral Interface (SPI)

SPI is commonly used to connect microcontrollers to

peripherals such as sensors, shift registers, and SD

cards.

Logic Levels

Learn the difference between 3.3V and 5V devices and

logic levels.

Accelerometer Basics

A quick introduction to accelerometers, how they work,

and why they're used.

I2C

An introduction to I2C, one of the main embedded

communications protocols in use today.

Serial Terminal Basics

This tutorial will show you how to communicate with

your serial devices using a variety of terminal emulator

applications.

The QuickLogic Thing Plus EOS S3 is a small form factor system ideal for enabling the next generation of low-

power Machine Learning (ML) capable Internet of Things (IoT) devices. Unlike other development boards which

are based on proprietary hardware and software tools, the QuickLogic Things Plus is based on 100% open source

hardware, compatible with the Feather form factor, and is built around 100% open source software (including the

Symbiflow FPGA Tools).

The QuickLogic is powered by QuickLogic’s EOS™ S3, the first eFPGA-enabled Arm Cortex©-M4F MCU to be

fully supported with Zephyr RTOS and FreeRTOS.

Other functionality includes:

QuickLogic EOS S3 MCU Platform

ST micro LIS2DH12TR accelerometer

Vesper VM3011 Adaptive ZeroPower Listening™ Digital Piezoelectric MEMS PDM Microphone

SparkFun’s Qwiic connector to enable easy connection to large number of Qwiic modules

16Mbit of on-board flash memory

User button and RGB LED

Powered from USB or a single Li-Po battery

Integrated battery charger

USB data signals tied to programmable logic

IO signals routed into general purpose pinheads

Compatible with standard 0.1" breadboards

Benefits

QuickLogic Thing Plus EOS S3 is small, Feather compatible, inexpensive, and is 100% supported by open

source tools.

With a Cortex M4F MCU and integrated eFPGA, the EOS S3 lets you innovate with 100% open source

hardware and software.

Applications

Tiny ML applications (such as with SensiML’s AI Software Platform and Google’s TensorFlow Lite)

General purpose MCU applications

Board Layout

Below is a quick overview of the board layout and components.

QuickLogic EOS S3 MCU Platform

ST micro LIS2DH12TR accelerometer

SparkFun’s Qwiic connector

Vesper’s VM3011 MEMS PDM microphone

16Mbit of on-board flash memory

User button and RGB LED

Hardware Reset button

Powered from USB or a single Li-Po battery

Integrated battery charger

USB data signals tied to programmable logic

IO signals break-routed into general purpose pinheads

IO Expansion Connectors EOS S3 MCU IO Map to QuickLogic Thing Plus

Below is the graphical datasheet of the QuickLogic Thing Plus EOS S3 to reference the pins followed by a table

listing the EOS S3 pins. Due to the size of the board and components, the silkscreen is printed on the back of the

board. You can flip over the board reference the pin name and its respective function as well.

Click image for a closer view.

EOS S3 MCU IO QuickLogic Thing Plus Function Additional Function Expansion

IO_0 I2C0 SCL J9.11

IO_1 I2C0 SDA J9.12

IO_2 IO J6.7

IO_3 Accelerometer LIS2DH12TR Interrupt J9.10

IO_4 IO J8.8

IO_5 IO J8.9

IO_6 User Button Input J8.10

IO_7 IO J8.11

IO_8 IO J8.12

IO_10 IO J8.13

IO_11 IO J8.6

IO_12 IO J8.7

IO_13 IO J6.8

IO_14 Serial Wire Debug CLK J6.4

IO_15 Serial Wire Debug DATA J6.2

IO_16 IO SPI Peripheral CLK J9.8

IO_17 IO SPI Peripheral CIPO (input) J9.7

IO_18 Blue LED N/A

IO_19 IO SPI Peripheral COPI J9.6

IO_20 IO SPI Peripheral CSn J9.5

IO_21 Green LED N/A

IO_22 Red LED N/A

IO_23 IO I2S Peripheral WCLK (Frame) J8.3

IO_24 IO I2S Peripheral DATA (dout) J8.4

IO_25 IO J6.9

IO_27 IO SPI Controller CS2 J9.2

IO_28 PDM Data; to isolate, remove R28 J8.1

IO_29 PDM CKO J8.2

IO_30 IO J6.10

IO_31 IO I2S Peripheral CLK (input) J8.5

IO_32 IO J9.3

IO_33 IO J9.4

IO_34 SPI Controller CLK J6.6

IO_36 SPI Controller CIPO J6.4

IO_38 SPI Controller COPI (flash) J6.5

IO_40 IO N/A

IO_43 IO Interrupt Output to Host J9.9

IO_44 IO UART TX J6.2

IO_45 IO UART RX J6.3

Connector J9

J2 EOS S3 MCU IO BGA Pin# Function

1 VBAT

2 3.3V Circuit Enable

3 VBUS

4 IO_27 HS IO; SPI Controller CSn2

5 IO_20 G8 SPI Peripheral SSn input; EOS S3 boot-strap

6 IO_19 H8 SPi Peripheral COPI input; EOS S3 boot-strap

7 IO_17 D7 SPI Peripheral CIPO output

8 IO_16 E7 SPI Peripheral CLK input

9 IO_43 D1 EOS S3 Interrupt Output

10 IO_3 A2 Accel Interrupt input

11 IO_0 B1 I2C0 SCL

12 IO_1 C1 I2C0 SDA

Connector J6

J6 EOS S3 MCU IO BGA Pin# Function

1 Ground

2 IO_44 E1 S3 UART TX

3 IO_45 G1 S3 UART RX

4 IO_36 H3 SPI Controller CIPO input

5 IO_38 E2 SPI Controller COPI output

6 IO_34 F3 SPI Controller CLK output

7 IO_2 A1 IO

8 IO_13 D6 IO

9 IO_25 F7 IO

10 IO_30 F4 IO

11 ADC1 C7 ADC1 input

12 No Connect

13 Ground

14 No Connect

15 +3.3V

16 SYS_RSTn F8 EOS S3 HW reset input

Connector J8

J8 EOS S3 MCU IO BGA Pin# Function

1 IO_28 G5 PDM microphone Data

2 IO_29 F5 PDM microphone CLK

3 IO_23 H6 I2S Peripheral WCLK Input

4 IO_24 G6 I2S Peripheral DATA output

5 IO_31 G4 I2S Peripheral CLK input

6 IO_11 C5 IO

7 IO_12 B5 IO

8 IO_4 B2 IO

9 IO_5 C3 IO

10 IO_6 B3 User button input

11 IO_7 A3 IO

12 IO_8 C4 IO

13 IO_10 A4 IO

14 IO_35 F2 IO

15 +3.3V

16 Ground

17 +3.3V

18 Ground

Development Connector

EOS S3 MCU SWD Connector

Below is the SWD connector used to program the board. Taken from the graphical datasheet are the pin labels on

the right for reference.

J7 EOS S3 MCU IO Function

1 +3.3V

2 IO_15 SWD_IO

3 Ground

4 IO_14 SWD_CLK

5 Ground

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