Slave Mode Characteristics; I/O Support - Digi XBee S2C 802.15.4 User Manual

Operation

Slave mode characteristics

In slave mode, the following apply:
SPI Clock rates up to 5 MHz (5 Mb/s) are possible.
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Data is MSB first.
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It uses Frame Format Mode 0. This means CPOL= 0 (idle clock is low) and CPHA = 0 (data is
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sampled on the clock's leading edge). The picture below diagrams Mode 0.
The SPI port is setup for API mode and is equivalent to AP = 1.
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The following picture shows the frame format for SPI communications.

I/O support

The following topics describe analog and digital I/O line support, line passing and output control.
XBee/XBee-PRO S2C 802.15.4 RF Module User Guide

I/O support

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