Kneron KL520 Series Manuel utilisateur

Kneron KL520 series AI SoC – Development kit product information (Version 0.2)

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Kneron KL520 series AI SoC

Development Kit

(BGA159, 9x6)

Product Information

Kneron KL520 series AI SoC – Development kit product information (Version 0.2)

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Revision History:

version description date

0.1 Initial version 2019/08/19

0.2 Increase accessories information 2019/08/27

0.3 Change Picture 2019/10/08

0.4 Change Picture 2020/03/10

Notice:

1. Kneron Inc. (Kneron) may make changes to any information in this document at any time without any

prior notice. The information herein is subject to change without notice. Do not finalize a design with this

information.

2. THIS DOCUMENT IS PROVIDED “AS IS” WITHOUT ANY WARRANTY OR CONDITION OF ANY KIND, EITHER

EXPRESS, IMPLIED OR STATUTORY, INCLUDING, WITHOUT LIMITATION, ANY WARRANTY OR CONDITION

WITH RESPECT TO MERCHANTABILITY, FITNESS FOR ANY PARTICULAR PURPOSE, OR NON-

INFRINGEMENT.KNERON DOES NOT ASSUME ANY RESPONSIBILITY AND LIABILITY FOR ITS USE NOR FOR

ANY INFRINGEMENT OF PATENTS OR OTHER RIGHTS OF THE THIRD PARTIES WHICH MAY RESULT FROM

ITS USE.

3. Information in this document is provided in connection with Kneron products.

4. All referenced brands, product names, service names and trademarks in this document are the property

by their respective owners

Kneron KL520 series AI SoC – Development kit product information (Version 0.2)

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Revision History: .........................................................................................................................................- 2 -

1. Overview .............................................................................................................................................- 4 -

1.1 General description....................................................................................................................... - 4 -

2. Hardware description .........................................................................................................................- 4 -

2.1 Product SPEC ................................................................................................................................. - 4 -

2.2 Inside the box ................................................................................................................................ - 5 -

2.3 Assembly ........................................................................................................................................ - 5 -

2.4 Main board description ................................................................................................................ - 6 -

2.5 Pin mux and Jumpers .................................................................................................................... - 8 -

3. Peripherals ........................................................................................................................................ - 11 -

3.1 5V adaptor ....................................................................................................................................- 11 -

3.2 UART cable....................................................................................................................................- 11 -

3.3 JTAG cable (not included in Kneron shipping box) ....................................................................- 12 -

3.4 Connecting UART .........................................................................................................................- 13 -

3.5 Connecting JTAG ..........................................................................................................................- 13 -

3.6 Connecting 5V Power...................................................................................................................- 14 -

4. KL520 Power on and System............................................................................................................ - 15 -

4.1 Bring Up procedure ......................................................................................................................- 15 -

4.2 Connecting JTAGs .........................................................................................................................- 16 -

Kneron KL520 series AI SoC – Development kit product information (Version 0.2)

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1. Overview

1.1 General description

Kneron KL520 series is an AI SoC targeting smart-home and IoT segment with Kneron NPU core inside to

accelerate neural network processing and enabling devices with edge AI ability to achieve Kneron’s AI

everywhere vision.

This document describes how to use the KL520 AI SoC Development Kit (BGA159, 9x6).

2. Hardware description

2.1 Product SPEC

Product name Kneron KL520 series AI SoC Development Kit (BGA159, 9x6)

Kneron part number KP52B1330-M1

Main board dimension 90(L) x 60(W) x 1.6(H) mm

Working voltage 5V

DDR memory size 64MB

SPI NOR Flash size 32MB

Switch & button

Power switch x 1, PTN button x 1, Reset button x 1 , Boot Switch

Interface - Power DC Jack (5V) x 1

Interface – Fixed I/O UART x 2, JTAG x 1, micro USB (client) x 1

FPC conn x 2 (2-lane MIPI camera)

FPC conn x 1 (DVP parallel display)

SDIO x 1

Interface – programmable

I/O

Pinmux select (1.27mm pitch)

Accessory - Camera sensor RGB sensor: GalaxyCore GC2145 2.0M CMOS

NIR sensor: SmartSens SC132GS 1.3M CMOS (940nm, Global shutter)

Accessory - NIR LED Lextar PR88F14 940nm NIR LED

Accessory - LCD Display ARMFLY TR433C1 4.3” 480x272 TFT LCD

Kneron KL520 series AI SoC – Development kit product information (Version 0.2)

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2.2 Inside the box

i. Main board x 1

ii. Camera & camera daughter board

x 2

iii. LCD panel & LCD daughter board x

iv. FPC x 3

v. Power adaptor (5V, 4A) x 1

vi. USB to TTL cable (3.3V) x 2

vii. Micro USB cable x 1

viii. Acrylic stand & screw set x 1

2.3 Assembly

Kneron KL520 series AI SoC – Development kit product information (Version 0.2)

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2.4 Main board description

Here’s the overview of all functions on the main board.

Figure, Top overview

Figure, Bottom overview

Kneron KL520 series AI SoC – Development kit product information (Version 0.2)

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As you can see in the picture, here’s the major component you must know before you start your design:

KL520: AI SoC.

5V Power (DC Jack): 5V input for the development board, used a 5V/4A adaptor.

USB Power: 5V input for the Power bank.

Power Switch: a switch for the adapter or power bank, you can see LED on when you turn on the

switch.

UART0/UART4: a connector that uses a TTL to USB cable for developing.

JTAG: a connector that uses JTAG/ICE cable for developing.

PTN: a button that used to turn on the KL520.

Reset BTN: a button that used to reset the KL520.

USB connector: a micro USB connector that used USB connector for developing.

Boot Switch: Selection for boot from SPI or boot from UART.

Kneron KL520 series AI SoC – Development kit product information (Version 0.2)

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2.5 Pin mux and Jumpers

To make some flexibility for the developers, the development board has made some jumper options. Most

IOs has series jumper on it. If users want to do some other thing that do not include in development

board, he can just take off the jumper and jump to other peripherals or even scope for debugging. Some

IOs also offers different functionality, users can simply choose different functions by choosing different

jumper location. Bellowing table shows the hardware setting on the development board. Please also be

aware of that the content has the “/” word means that it has multiple functions and can be configured by

choosing different jumper locations.

Table, Development board HW setting

Kneron KL520 series AI SoC – Development kit product information (Version 0.2)

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Below picture shows the jumper option. These jumpers enable you to select between SDIO and others.

Figure. Jumpers to switch SDIO or GPIO.

KL520 pin

number Default state Development Board hardware Setting

K11 X_SD_CLK LC_DATA[16]/SD_CLK

J15 X_SD_CMD LC_DATA[17]/SD_CMD

L10 X_SD_DAT[0] X_SD_DAT[0]/GPIO1_CAM/GPIO1_PANEL

K14 X_SD_DAT[1] X_SD_DAT[1]/GPIO2_CAM/GPIO2_PANEL

K15 X_SD_DAT[2] X_SD_DAT[2]/GPIO3_CAM/GPIO3_PANEL/UART4_RX

L11 X_SD_DAT[3] X_SD_DAT[3]/GPIO3_CAM/GPIO3_PANEL/UART4_TX

Table, equivalent table for Figure above.

Kneron KL520 series AI SoC – Development kit product information (Version 0.2)

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Bellowing picture shows the jumper option which enable user to select between JTAG and I2C or I2S.

Figure, Jumpers to switch JTAG / I2C / I2S.

KL520 pin

number Default state Development Board hardware Setting

E11 X_JTAG_TRST_N JTAG_TRST_N/camera1(I2C)

C15 X_JTAG_TDI JTAG_TDI/camera1(I2C)

E15 X_JTAG_SWDITMS JTAG_SWDITMS/I2S0_BCLK

F14 X_JTAG_SWCLKTCK JTAG_SWCLKTCK/I2S0_RCLK

B15 X_JTAG_TDO JTAG_TDO/I2S0_SDATA

Table, equivalent table for the Figure above

Boost jumper, SW3, a jumper that can helps user to config boot mode.

When SW3=0, it’s boot from UART. When SW3=1, it’s boot from JTAG

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