WIZ610io User Manual (WIZnet Co.,Ltd.)

6

be asserted to Low longer than 1.0us. After

asserted RSTn, W6100 spends 60.3ms for

initialization.

Low : W6100 initialized.

High : Normal Operation.

6

O

MISO

SPI Master In Slave Out

This pin is used to SPI MISO signal pin.

2.2.1 IO Module Carrier Board

< TOP side view >

3. WIZ610io SPI operations

WIZ610io is controlled by a set of instruction that is sent from a external host ,

commonly referred to as the SPI Master. The SPI Master communicates with

W6100 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).

The SPI protocol defines four modes for its operation (Mode 0-3). Each mode

differs according to the SCLK polarity and phase - how the polarity and phase