Wiznet WIZ810Sio User Manual
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Wiznet WIZ810Sio User Manual

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WIZ810Sio User Manual
(Version 1.0)
© 2018 WIZnet Co.,Ltd. All Rights Reserved.
☞ For more information, visit our website at
http://www.wiznet.io
WIZ810Sio User Manual (WIZnet Co.,Ltd.)
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  • Page 1 WIZ810Sio User Manual (Version 1.0) © 2018 WIZnet Co.,Ltd. All Rights Reserved. ☞ For more information, visit our website at http://www.wiznet.io WIZ810Sio User Manual (WIZnet Co.,Ltd.)
  • Page 2 Document Revision History Date Revision Changes 2018-12-28 V1.0 Official Release WIZ810Sio User Manual (WIZnet Co.,Ltd.)

  • Page 3: Table Of Contents

    Write processing ................10 3.3. Timing diagram ............... 12 Reset Timing ................12 4.1. SPI Access Read Timing ..............13 4.2. SPI Access Write Timing ..............13 4.3. Dimensions ................14 Reference Schematics ............6-15 Warranty ................7-16 WIZ810Sio User Manual (WIZnet Co.,Ltd.)

  • Page 4: Introduction

    It can be used as a component and no effort is required to interface W5100S and Transformer. The WIZ810Sio is an ideal option for users who want to develop their Internet enabling systems rapidly. For the detailed information on implementation of Hardware TCP/IP, refer to the W5100S Datasheet.

  • Page 5: Pin Assignment & Description

    Pin assignment & description 2.1. Pin assignment < TOP side view > < Pin assignment > WIZ810Sio User Manual (WIZnet Co.,Ltd.)

  • Page 6: Pin Description

    Low longer than 500ns. After asserted RSTn, RSTn W5100S spends 60.3ms for initialization. Low : W5100S initialized. High : Normal Operation. SPI Master In Slave Out MISO This pin is used to SPI MISO signal pin. WIZ810Sio User Manual (WIZnet Co.,Ltd.)

  • Page 7: Device Spi Operations

    Device SPI operations WIZ810Sio is controlled by a set of instruction that is sent from an external host, commonly referred to as the SPI Master. The SPI Master communicates with W5100S on WIZ810Sio via the SPI bus, which is composed of four signal lines: Slave Chip Select (SCSn), Serial Clock (SCLK), MOSI (Master Out Slave In) and MISO (Master In Slave Out).

  • Page 8: Read Processing

    8-bit OP code(0x0F),16-bit Address and 8-bit Data. Otherwise, The Burst READ processing only takes the Data instruction after the setting of the burst read processing. The MISO pin should be selected by driving MISO low after the falling edge of the SCSn. WIZ810Sio User Manual (WIZnet Co.,Ltd.)
  • Page 9 SpiSendData (0x0F); // SpiSendData SpiSendData(((addr+idx) & 0xFF00) >> 8); // Address byte 1 SpiSendData((addr+idx) & 0x00FF); // Address byte 2 // Read data:On data_len> 1, Burst Read Processing Mode. for(int idx = 0; idx<data_len; idx++) WIZ810Sio User Manual (WIZnet Co.,Ltd.)

  • Page 10: Write Processing

    WRITE processing. The MOSI pin should be selected by driving MOSI low after the falling edge of the SCSn. < Write Sequence > /* Pseudo Code for Write data of 8bit per packet */ #define data_write_command 0x80 uint16 addr; // Address : 16bits WIZ810Sio User Manual (WIZnet Co.,Ltd.)
  • Page 11 SpiSendData((addr+idx) & 0x00FF); // Address byte 2 // Write data: On data_len> 1, Burst Write Processing Mode. for(int idx = 0; idx<data_len; idx++) SpiSendData(data_buf[idx]); CSon(); // CS=1, SPI end IINCHIP_ISR_ENABLE(); // Interrupt Service Routine disable WIZ810Sio User Manual (WIZnet Co.,Ltd.)

  • Page 12: Timing Diagram

    Timing diagram 4.1. Reset Timing WIZ810Sio User Manual (WIZnet Co.,Ltd.)

  • Page 13: Spi Access Read Timing

    4.2. SPI Access Read Timing 4.3. SPI Access Write Timing WIZ810Sio User Manual (WIZnet Co.,Ltd.)

  • Page 14: Dimensions

    Dimensions WIZ810Sio User Manual (WIZnet Co.,Ltd.)

  • Page 15: Reference Schematics

    Reference Schematics WIZ810Sio User Manual (WIZnet Co.,Ltd.) 6-15...

  • Page 16: Warranty

    ONE(1) YEAR for the WIZ810Sio module and labor warranty after the date of original retail purchase. During this period, WIZnet will repair or replace a defective products or part free of charge. Warranty Conditions: 1.

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