Acconeer XE123 Manuel utilisateur
Entry+ module EVK hardware user guide
Entry+ module EVK hardware user guide
- XE123/124
Entry+ module EVK hardware user guide
Page 2 of 28
© 2022 by Acconeer – All rights reserved 2022-07-06
Entry+ module EVK hardware user guide
- XE123/124
Author: Acconeer
Version 1.0: 2022-07-06
Acconeer AB
Entry+ module EVK hardware user guide
Page 3 of 28
2022-07-06 © 2022 by Acconeer – All rights reserved
Table of Contents
1. Overview of the XE123/124 Entry+ Module Evaluation Kit .......................................................... 4
1.1. Introduction ............................................................................................................................. 4
1.2. Getting Started ......................................................................................................................... 5
2. Software for the EVK ...................................................................................................................... 6
2.1. SW download .......................................................................................................................... 6
2.2. SW API Description ................................................................................................................ 6
3. The EVK Hardware ......................................................................................................................... 7
3.1. XE123/124 Evaluation Board .................................................................................................. 9
3.1.1. Overview ......................................................................................................................... 9
3.1.2. Power ............................................................................................................................. 11
3.1.3. Not Mounted Components ............................................................................................ 11
3.1.4. Electrical Schematics..................................................................................................... 12
3.1.5. Bill of Material .............................................................................................................. 16
3.1.6. Component Placement Drawing .................................................................................... 16
3.1.7. Connectors ..................................................................................................................... 18
3.2. XM123/XM124 Entry Module .............................................................................................. 20
3.2.1. Overview ....................................................................................................................... 20
3.2.2. Bill of Material .............................................................................................................. 23
3.2.3. Land Grid Array ............................................................................................................ 23
4. Safety ............................................................................................................................................. 25
4.1. Electrostatic precautions ........................................................................................................ 25
5. Regulatory Information ................................................................................................................. 26
6. Revision History ............................................................................................................................ 27
7. Disclaimer ..................................................................................................................................... 28
Entry+ module EVK hardware user guide
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© 2022 by Acconeer – All rights reserved 2022-07-06
1. Overview of the XE123/124 Entry+ Module
Evaluation Kit
1.1. Introduction
The XE123/124 Entry+ Module Evaluation Kit (The EVK) is a development platform targeting
straight-forward use cases where small size, low cost and low power is key.
The EVK features Acconeer’s XM123 or XM124 Entry+ module, including the A111 radar sensor.
The A111 radar sensor is an optimized low-power, high-precision 60 GHz radar with antenna in
package (AiP) and integrated baseband. Together with the ARM® Cortex®-M4 STM32L431 MCU,
the XM123/124 Entry module becomes a cost- and size-optimized low-power radar sensor.
The A111 is based on pulsed coherent radar technology (PCR). It has leading-edge patented sensor
technology with pico-second time resolution. The A111 sets a new benchmark as far as power
consumption and distance accuracy are concerned and it comes fully integrated in a small package of
29 mm2.
The A111 can measure absolute distance with mm accuracy up to a range of 2 m with a continuous
sweep update frequency of up to 600 Hz. With the use of a dielectric lens the range can be
significantly longer.
The A111, 60 GHz radar is not compromised by natural sources of interference such as noise, dust,
color, direct or indirect light.
The EVK consists of:
1 XE123/124 Evaluation board with an XM123 or XM124 Entry module soldered onto it.
The XE123/124 is compatible with Acconeer LH132 lens kit (LH132 is also compatible with
evaluation kit XE132). LH132 is sold separately.
Entry+ module EVK hardware user guide
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2022-07-06 © 2022 by Acconeer – All rights reserved
1.2. Getting Started
A Quick Installation Guide is available at https://youtu.be/PTcQ0FpRz7E
This short instruction video will ensure a smooth setup and installation. As an alternative you can also
find a guide in pdf-format at https://developer.acconeer.com.
Entry+ module EVK hardware user guide
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© 2022 by Acconeer – All rights reserved 2022-07-06
2. Software for the EVK
2.1. SW download
The SW is available for download at https://developer.acconeer.com. Here you will find both a
Software Development Kit and a Module Server version. SW User Guides can be downloaded at the
same site.
2.2. SW API Description
The Acconeer SW comes with an API (Application Programming Interface). Acconeer provides
several service-oriented example and reference applications, as well as customer guidelines for
application development when utilizing the API. All APIs provided by Acconeer are documented.
Unzip the SW zip file downloaded from Acconeer’s download site. In the file structure, please locate
/doc folder from where API documentation in HTML format is found at doc/html/index.html.
Entry+ module EVK hardware user guide
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2022-07-06 © 2022 by Acconeer – All rights reserved
3. The EVK Hardware
In Figure 1 the block-diagram of the XE123/124 is shown. Figure 2 shows the XM123/124 block-
diagram.
Figure 1 The block-diagram of the XE123/124.
USB1 Connector
5V
Boot0
NRST
Button
XE123/124
V_EXT (1.8V)
GPIO pin
header
(1.8V signal
levels)
Solderbridge
Power pin
header
SWD
connector
NRST
3.3V
LDO
5V to 3.3V
LDO
3.3V to 1.8V
Level shifter
3.3V to 1.8V
USB/UART
converter,
CP2105
1V8
V_MISC
DFU
Button
VIN
Power
switch
Selection
switch
PS_ENABLE
PS_ENABLE*
VIN_VIO
XM123 / XM124
* PS_ENABLE is an optional
signal. By default the power
switch is ON and
VIN_VIO=VIN
LED
1V8
3.3V
Entry+ module EVK hardware user guide
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© 2022 by Acconeer – All rights reserved 2022-07-06
Figure 2. The block-diagram of XM123/124.
24MHz XTAL
XM123/XM124
BOOT0
NRST
ENABLE
INTERRUPT
CTRL
A111
STM32L431CBY6
1V8
Land Grid Array
CPU
(32-bit, 80MHz
Cortex M4)
Flash
(128kB)
RAM
(64kB)
Entry+ module EVK hardware user guide
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2022-07-06 © 2022 by Acconeer – All rights reserved
3.1. XE123/124 Evaluation Board
3.1.1. Overview
The XE123/124 is an evaluation board including the XM123 or XM124 Entry+ module. It makes the
interfaces from the XM123/124 module accessible for evaluation and debug. It also enables flashing
of the XM123/124 via USB-UART or SW-DP. The XM123/124 Entry module is included in the
XE123/124 Evaluation board. In Picture 1 and Picture 2 you will find the XE123 and XE124 front
sides where the XM123 and XM124 is mounted. Picture 3 shows the back side of XE123/XE124.
Picture 1. The XE123 top side where XM123 is mounted.
Entry+ module EVK hardware user guide
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© 2022 by Acconeer – All rights reserved 2022-07-06
Picture 2. The XE124 front side with XM124 mounted.
Picture 3. The XE123/XE124 back side.
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