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XE132 – Product Brief

XE132 Evaluation Board Product Brief

Summary of content (18 pages)

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XE132 – Product Brief XE132 Evaluation Board Product Brief
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XE132 – Product Brief XE132 Evaluation Board Product Brief Proprietary and Confidential Author: Acconeer Version 1.
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XE132 – Product Brief Table of Contents 1 Introduction ................................................................................................................................4 2 XE132 Evaluation Board.............................................................................................................5 2.1 Overview .............................................................................................................................5 2.2 Power ...................................
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XE132 – Product Brief 1 Introduction This document describes the Acconeer XE132 evaluation board containing the XM132 Entry module. The evaluation board provides access to the interfaces from the XM132 Entry module so that it can easily be flashed and debugged.
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XE132 – Product Brief 2 XE132 Evaluation Board 2.1 Overview The XE132 is an evaluation board including the XM132 Entry module. It makes the interfaces from the XM132 module accessible for evaluation and debug. It also enables flashing of the XM132 via USB-UART or SW-DP. The XM132 Entry module is included in the XE132 Evaluation board. In Picture 1 you will find the XE132 top side where the XM132 is mounted. Picture 2 shows the bottom side of XE132. Picture 1. The XE132 top side where XM132 is mounted.
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XE132 – Product Brief The block diagram of XE132 is found in Figure 1 below. USB1 Connector XE132 USB 5V USB/UART converter, CP2105 GPIO pin header NRST DFU Button LDO 5V to 3.3V XM132 Boot0 NRST Button SWD connector 0 Ohm Selection switch V_EXT (1.8-3.6V) VIN Power pin header VIN_XM132 Figure 1. The block diagram of XE132.
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XE132 – Product Brief 2.2 Power The XE132 is powered via the USB connector J1 and/or via the pin header J3. The USB 5V power domain supplies the USB-UART chip (U1). If the USB-UART interface is not used, a dedicated USB charger can be used. The XM132 module mounted on the XE132 can be powered either from a 3.3V LDO (U4) which is supplied from the USB 5V power domain or from “V_EXT” in the J3 pin header. V_EXT should be between 1.8V to 3.6V. Typical value of V_EXT is 3.3V.
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XE132 – Product Brief Pin Number Signal 4 ID (GND) 5 GND 2.4.2 Power pin header (J3) The power pin header J3 provides the possibility to supply the XM132 board with power from an external power supply. In Table 2, the pin assignment of J3 is shown: Table 2. The pin assignment of the power pin header J3. Pin Number Signal Pin Number Signal 1 V_EXT 2 GND 3 VIN 4 VIN_XM132 2.4.3 2x5 JTAG/SWD pin header (J6) The 2x5 JTAG/SWD pin header (1.
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XE132 – Product Brief Pin Number Signal Pin Number Signal 15 DEBUG_UART_RX 16 MISC_GPIO1 17 DEBUG_UART_TX 18 I2C_ADDRESS 19 GND 20 1V8 2.4.5 Switches and buttons There is one switch on XE132. S1 determines if XM132 is powered from the 3.3V LDO (U4) on XE132 or from an external power supply via pin header J3 (V_EXT). There are two buttons on the XE132. J4, DFU (Device Firmware Upgrade), controls the signal “BOOT0” on the XM132. Button J5 controls the “NRESET” signal on XM132.
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XE132 – Product Brief 2.6 Component Placement Drawing The component placement drawing of XE132 is found below.
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XE132 – Product Brief Bottom Side: 2.7 Bill of Material Table 6 shows the BOM for the XE132 Table 6 The BOM for the XE132. Component Ref. Specification C1, C6, C23, C24, C25 Chip Capacitor 0402,X7R,100nF,10%,50V C2 Chip Capacitors 4.7uF 10V X5R 0402 QTY Value 5 100nF 1 4.
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XE132 – Product Brief R6, R24, R25 Chip Resistor,0402,5%,0R 3 0Ohm C5, C21, C22 Chip Capacitors 0402 X5R 1UF 10% 10V Chip Resistor 0402,5%,4.7K 3 1uF 1 4.7kOhm R5 Chip Resistor,0402,5%,47K 1 J4, J5 Tactile switch: KMR741NG-ULC-LFS 2 J1 Micro USB 2.
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XE132 – Product Brief 3 References 1. XM132 datasheet: https://developer.acconeer.com/ 2. Acconeer Entry Module EVK HW User Guide https://developer.acconeer.
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XE132 – Product Brief 4 Revision History Date 2020-09-25 Version 1.
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XE132 – Product Brief 5 Disclaimer The information herein is believed to be correct as of the date issued. Acconeer AB (“Acconeer”) will not be responsible for damages of any nature resulting from the use or reliance upon the information contained herein. Acconeer makes no warranties, expressed or implied, of merchantability or fitness for a particular purpose or course of performance or usage of trade.