Lattice Semiconductor HM01B0 UPduino Shield Bedienungsanleitung

Key Phrase Detection on HM01B0 UPduino

Shield Demonstration

User Guide

FPGA-UG-02094 - 1.0

October 2019

Key Phrase Detection on HM01B0 UPduino Shield Demonstration

User Guide

All other brand or product names are trademarks or registered trademarks of their respective holders. The specifications and information herein are subject to change without notice.

2 FPGA-UG-02094-1.0

Disclaimers

Lattice makes no warranty, representation, or guarantee regarding the accuracy of information contained in this document or the suitability of its

products for any particular purpose. All information herein is provided AS IS and with all faults, and all risk associated with such information is entirely

with Buyer. Buyer shall not rely on any data and performance specifications or parameters provided herein. Products sold by Lattice have been

subject to limited testing and it is the Buyer's responsibility to independently determine the suitability of any products and to test and verify the

same. No Lattice products should be used in conjunction with mission- or safety-critical or any other application in which the failure of Lattice’s

product could create a situation where personal injury, death, severe property or environmental damage may occur. The information provided in this

document is proprietary to Lattice Semiconductor, and Lattice reserves the right to make any changes to the information in this document or to any

products at any time without notice.

Key Phrase Detection on HM01B0 UPduino Shield Demonstration 
User Guide 
 
© 2019 Lattice Semiconductor Corp. All Lattice trademarks, registered trademarks, patents, and disclaimers are as listed at www.latticesemi.com/legal. 
All other brand or product names are trademarks or registered trademarks of their respective holders. The specifications and information herein are subject to change without notice. 
FPGA-UG-02094-1.0 3 
Contents 
Acronyms in This Document.................................................................................................................................................4 
1. Introduction..................................................................................................................................................................5 
2. Functional Description..................................................................................................................................................5 
3. Demo Setup ..................................................................................................................................................................5 
4. Programming Key Phrase Detection Demo on iCE40 SPI Flash ....................................................................................6 
5. Running the Key Phrase Detection Demo...................................................................................................................12 
Technical Support ...............................................................................................................................................................13 
Revision History ..................................................................................................................................................................14 
 
Figures 
Figure 2.1. Key Phrase Detection Demo Diagram.................................................................................................................5 
Figure 4.1. Create a New Blank Project ................................................................................................................................6 
Figure 4.2. Radiant Programmer –Initial Project Window...................................................................................................7 
Figure 4.3. Radiant Programmer –iCE40 UltraPlus Device Family Selection .......................................................................7 
Figure 4.4. Radiant Programmer –iCE40 UltraPlus Device Selection...................................................................................8 
Figure 4.5. Bitstream File Settings ........................................................................................................................................9 
Figure 4.6. Filter-Firmware Bin File Setting ........................................................................................................................10 
Figure 4.7. Firmware Bin File Settings ................................................................................................................................11 
Figure 5.1. Microphone and LED Location..........................................................................................................................12 
 

Key Phrase Detection on HM01B0 UPduino Shield Demonstration

User Guide

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4 FPGA-UG-02094-1.0

Acronyms in This Document

A list of acronyms used in this document.

Acronym

Definition

BNN

Binary Neural Network

FPGA

Field-Programmable Gate Array

LED

light-emitting diode

MDP

Mobile Development Platform

SOIC

Small Outline Integrated Circuit

SPI

Serial Peripheral Interface

USB

Universal Serial Bus

Key Phrase Detection on HM01B0 UPduino Shield Demonstration

User Guide

All other brand or product names are trademarks or registered trademarks of their respective holders. The specifications and information herein are subject to change without notice.

FPGA-UG-02094-1.0 5

1. Introduction

This document describes how to operate the Key Phrase Detection demo on the Himax HM01B0 UPduino Shield. The

design features a Convolution Neural Network (CNN) implementation using our Compact CNN soft IP, which is used in

key phrase detection.

2. Functional Description

In this demo, an LED indicates when a sample key phrases Seven,Marvin, On, and Happy are detected. When the

microphone detects the key phrase, the LED indicator turns ON. When the microphone does not detect a key phrase,

the LED stays OFF.

Figure 2.1 shows the diagram of the Key Phrase Detection demo. The microphone captures the audio data and sends it

to the iCE40™device. iCE40 then uses the audio data with the firmware file from the external SPI Flash to determine if

the key phrase is detected.

Figure 2.1. Key Phrase Detection Demo Diagram

3. Demo Setup

Before running the demo, make sure that the two boards are properly connected. A micro USB is required for

programming and to turn on the board.

Key Phrase Detection on HM01B0 UPduino Shield Demonstration

User Guide

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6 FPGA-UG-02094-1.0

4. Programming Key Phrase Detection Demo on iCE40 SPI Flash

This section provides the procedure for programming the SPI Flash on the Himax HM01B0 UPduino Shield Board.

Two different files should be programmed into the SPI Flash. These files are programmed to the same SPI Flash, but at

different addresses:

Bitstream

Firmware

To program the SPI Flash in Radiant Programmer:

1. Connect the Himax HM01B0 UPduino Shield board to the PC using a micro USB cable.

Important: The onboard USB connector is delicate. Handle it with care.

2. Start Radiant Programmer.

3. In the Radiant Programmer- Getting Started dialog box, select Create a new blank project.

4. Click OK.

Figure 4.1. Create a New Blank Project

Initially, the .xcf has only one option to add a .bin file as shown in Figure 4.2.

Key Phrase Detection on HM01B0 UPduino Shield Demonstration

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FPGA-UG-02094-1.0 7

Figure 4.2. Radiant Programmer –Initial Project Window

5. To program three .bin files, as needed in this demo, add two more devices by clicking the button on the

toolbar.

6. In the Radiant Programmer main interface, set Device Family to iCE40 UltraPlus for all three cases as shown in

Figure 4.3.

Figure 4.3. Radiant Programmer –iCE40 UltraPlus Device Family Selection

7. Set Device to iCE40UP5K for all three cases as shown in Figure 4.4.

Key Phrase Detection on HM01B0 UPduino Shield Demonstration

User Guide

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8 FPGA-UG-02094-1.0

Figure 4.4. Radiant Programmer –iCE40 UltraPlus Device Selection

8. Click the iCE40 UltraPlus row and select Edit > Device Properties.

9. In the Device Properties dialog box, apply the settings below that are common to the three files to program.

a. Under Device Operation, select the options below:

Target Memory: External SPI Flash Memory

Port Interface: SPI

Access Mode: Direct Programming

Operation: Erase, Program, Verify

b. Under SPI Flash Options, select the options below:

Family: SPI Serial Flash

Vendor: Winbond

Device: W25Q32

Package: 8-pin SOIC

10. To program the bitstream file, select the options below as shown in Figure 4.5.

a. Under Programming Options, select the key phrase RTL bitstream file in Programming file.

b. Click Load from File to update the Data file size (Bytes) value.

c. Ensure that the following addresses are correct:

Start Address (Hex): 0x00000000

End Address (Hex): 0x00010000

d. Click OK.

Key Phrase Detection on HM01B0 UPduino Shield Demonstration

User Guide

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FPGA-UG-02094-1.0 9

Figure 4.5. Bitstream File Settings

11. To program the filter binary firmware for generating spectrogram, select the options below as shown in Figure 4.6.

a. Under Programming Options, select the key phrase filter bin firmware generated by SensAI tool.

b. Click Load from File to update the Data file size (Bytes) value. Change the data file size to 32768.

c. Ensure that the following addresses are correct:

Start Address (Hex): 0x00020000

End Address (Hex): 0x00030000

d. Click OK.

Key Phrase Detection on HM01B0 UPduino Shield Demonstration

User Guide

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10 FPGA-UG-02094-1.0

Figure 4.6. Filter-Firmware Bin File Setting

12. To program firmware bin that contains model architecture, select the options below as shown in Figure 4.6.

a. Under Programming Options, select the key phrase firmware binary file generated by SensAI tool.

b. Click Load from File to update the Data file size (Bytes) value. Change the data file size to 31048.

c. Ensure that the following addresses are correct:

Start Address (Hex): 0x00030000

End Address (Hex): 0x00040000

d. Click OK.

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