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XT65/XT75 Hardware Interface Overview

2.1 Key Features at a Glance

XT65_XT75_HO_v00.130 Page 17 of 58 2006-10-12

Confidential / Preliminary

Special features

Charging Supports management of rechargeable Lithium Ion and Lithium Polymer batter-

ies

Real time clock Timer functions via AT commands

GPIO 10 I/O pins of the application interface programmable as GPIO.

Programming is done via AT commands.

Alternatively, GPIO pin10 is configurable as pulse counter.

Pulse counter Pulse counter for measuring pulse rates from 0 to 1000 pulses per second.

If the pulse counter is active the GPIO10 pin is not available.

DAC output Digital-to-Analog Converter which can provide a PWM signal.

Phonebook SIM and phone

Evaluation kit

DSB75 DSB75 Evaluation Board designed to test and type approve Siemens cellular

engines and provide a sample configuration for application engineering.

Feature Implementation

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