UART-EZSP Gateway Protocol Reference#

NOTE: This section replaces UG101: UART-EZSP Gateway Protocol Reference. Further updates to this user guide will be provided here.

This document describes the protocol used by the UART-based EmberZNet Serial Protocol (UART-EZSP) to reliably carry commands and responses between a host processor and a Network Co-Processor (NCP).

Key Features#

• Compares the benefits of communications using UART and SPI.

• Describes the EZSP-UART general frame format.

• Discusses the various types of frames.

• Describes ASH protocol operations.

• Reviews the characteristics of the CONNECTED and FAILED states.

• Summarizes configuration parameters.