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Realtek RTL87 2G Series User Manual

Evaluation board v2 model a
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RTL87x2G Evaluation Board V2 model A
User Manual
V1.0
2023/11/22
Realtek Semiconductor Corp.
No.2, Innovation Road II, Hsinchu Science Park, Hsinchu 300, Taiwan
Tel.: +886-3-578-0211. Fax: +886-3-577-6047
www.realtek.com

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  • Page 1 RTL87x2G Evaluation Board V2 model A User Manual V1.0 2023/11/22 Realtek Semiconductor Corp. No.2, Innovation Road II, Hsinchu Science Park, Hsinchu 300, Taiwan Tel.: +886-3-578-0211. Fax: +886-3-577-6047 www.realtek.com...
  • Page 2 RTL8762G Evaluation Board V2 model A User Manual COPYRIGHT ©2023 Realtek Semiconductor Corp. All rights reserved. No part of this document may be reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any language in any form or by any means without the written permission of Realtek Semiconductor Corp.
  • Page 3 RTL8762G Evaluation Board V2 model A User Manual Revision History Date Version Comments Author Reviewer 2023/11/22 V1.0 First version Sillo Copyright 2023 Realtek Semiconductor Corporation. All Rights Reserved.

  • Page 4: Table Of Contents

    2 EVB user guide ............................10 2.1 EVB power connection ........................10 2.2 Download with on-board USB-UART converter ................10 2.3 Debug log with on-board USB-UART converter ................11 2.4 Display interface ..........................11 Copyright 2023 Realtek Semiconductor Corporation. All Rights Reserved.
  • Page 5 Figure 1-16 Reset button ............................9 Figure 1-17 GPIO button ............................9 Figure 2-1 Power supply connection ........................10 Figure 2-2 Download connection ......................... 10 Figure 2-3 Debug connection ..........................11 Figure 2-4 Display connection ..........................11 Copyright 2023 Realtek Semiconductor Corporation. All Rights Reserved.

  • Page 6: Overview

    The RTL87x2G evaluation board V2 model A provides a hardware environment for user development, including: 1. 5V to 3.3V&1.8V power module 2. Support QSPI display interface 3. Audio module (AMIC&DMIC) 4. LED&RGB module 5. FT232 for USB to UART Copyright 2023 Realtek Semiconductor Corporation. All Rights Reserved.

  • Page 7: Rtl87X2G Evb V2 Model A Blocks

    EVB contains the following user interfaces as shown in Figure 1-1, Figure 1-2, Figure 1-3 and Figure 1-4, which marks 22 components with red rectangles. Figure 1-1 EVB blocks distribution Diagram-Front Figure 1-2 EVB blocks distribution Diagram-Back Copyright 2023 Realtek Semiconductor Corporation. All Rights Reserved.
  • Page 8 RTL8762G Evaluation Board V2 model A User Manual Figure 1-3 EVB interfaces distribution Diagram-Front Figure 1-4 EVB interfaces distribution Diagram-Back Copyright 2023 Realtek Semiconductor Corporation. All Rights Reserved.

  • Page 9: Main Chip (Module)

    Figure 1-5 RTL8762GRH & RTL8762GKU daughterboard Figure 1-6 RTL8762GC & RTL8777G daughterboard 1.2.3 Power Mark 4: USB socket CON1, connect USB to 87x2G, used for 87x2G USB communication and as the external charger power source. Copyright 2023 Realtek Semiconductor Corporation. All Rights Reserved.
  • Page 10 1.2.4 IO It is designed to connect peripheral devices with IO ports or provide IO test points. Mark 10: JP3, 2x15 pin header, IO jumper Mark 16: JP4, 2x12 pin header, IO jumper Copyright 2023 Realtek Semiconductor Corporation. All Rights Reserved.

  • Page 11: Interface

    EVB. Any SWD interface can be used for SWD debugging. Figure 1-10 SWD interface Mark 6: Microphone socket is shown in Figure 1-11, which can support 3.5mm audio connector. Copyright 2023 Realtek Semiconductor Corporation. All Rights Reserved.
  • Page 12 Mark 10: 24bit SDADC interface, as shown in Figure 1-13. Support two differential input, AIN0 and AIN1 are a pair of differential inputs, AIN2 and AIN3 are a pair of differential inputs. Figure 1-13 24bit SDADC interface Copyright 2023 Realtek Semiconductor Corporation. All Rights Reserved.
  • Page 13 Mark 14: LED&RGB interface, as shown in Figure 1-15, including four red LED and a RGB LED. The LED&RGB can be controlled by placing the jumpers on the yellow box, or by connecting it to any GPIO. Figure 1-15 LED&RGB interface Mark 8: QDECODE interface. Copyright 2023 Realtek Semiconductor Corporation. All Rights Reserved.

  • Page 14: Key Button

    Figure 1-17 GPIO button 1.3 EVB motherboard pin assignment There is an anti-reverse insertion mechanism between motherboard and daughterboard. Please refer to the latest RTL87x2G_IOPin_Information table about the pin assignment of daughterboard. Copyright 2023 Realtek Semiconductor Corporation. All Rights Reserved.

  • Page 15: Evb User Guide

    P3_0 to FT232_RX, P3_1 to FT232_TX by jumpers, as shown in Figure 2-2. After downloading, select the dial switch to “1” position, which will pull none P0_3, then press reset button or power on again, the program will start running normally. Figure 2-2 Download connection Copyright 2023 Realtek Semiconductor Corporation. All Rights Reserved.

  • Page 16: Debug Log With On-Board Usb-Uart Converter

    Mark 2: Screen power select, select from CON2/CON1/Lithium battery to power on the screen. Mark 7: Screen interface select, need to set the status of LCD_IM[1:0] based on used screen，please refer to the datasheet of screen for details. Figure 2-4 Display connection Copyright 2023 Realtek Semiconductor Corporation. All Rights Reserved.

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