May 31, 2008 Module Hardware Description 7
Chapter 2: Hardware Interface Description
The following paragraphs describe in details the hardware requirements for properly interfacing
and operating the W24 module.

Architecture Overview

Figure 2-1 below illustrates the primary functional components of the W24.
Figure 2-1: W24 Block Diagram
The W24 consists of the following blocks:

Digital Block

•Micro-controller Unit (MCU) for system and application code execution.
•1MByte Flash.
•Serial communications interfaces.
•USB Device interface.
•USB Host interface (available on cellular connector only).