
XT65/XT75 Hardware Interface Overview
2.1 Key Features at a Glance
s
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