XT75 Datasheet (Siemens) - Hardware Interface Description

XT75, Hardware Interface Description

XT65/XT75 Hardware Interface Description s Document Name: Version: Date: DocId: www.DataSheet4U.com Status XT65/XT75 Hardware Interface Description 00.130 2006-9-27 XT65_XT75_HD_v00.130 Confidential / Preliminary Supported Products: XT65, XT75 General Notes Product is deemed accepted by Recipi

XT75 Features

* at a Glance 18 2.2 XT65/XT75 System Overview 22 2.3 Circuit Concept 23 Application Interface 25 3.1 Operating Modes 26 3.2 Power Supply 27 3.2.1 Minimizing Power Losses 27 3.2.2 Measuring the Supply Voltage VBATT+ 28 3.2.3 Monitoring Power Supply by AT Command 28 3.3 Power-Up / Power-Down Scenar