User Manual
Table Of Contents
- Document History
- Introduction
- Product Concept
- GSM Application Interface
- GSM/GPRS Operating Modes
- Power Supply
- Power Up / Down Scenarios
- Automatic GPRS Multislot Class Change
- Charging Control of the GSM Part
- Power Saving
- Summary of State Transitions (Except SLEEP Mode)
- RTC Backup for GSM Part of XT55/56
- Serial Interfaces of the XT55/56 GSM Part
- Audio Interfaces
- SIM Interface
- Control Signals
- GPS Application Interface
- GSM and GPS Antenna Interfaces
- Electrical, Reliability and Radio Characteristics
- Mechanics
- Reference Approval
- Example Applications
- List of Parts and Accessories
XT55/56 Hardware Interface Description
Confidential / Preliminary
s
XT55/56_hd_v02.96 Page 7 of 125 18.08.2005
Table 26: Operating temperatures ......................................................................................... 88
Table 27: Electrical description of application interface ......................................................... 91
Table 28: Power supply ratings (GSM part) ...........................................................................96
Table 29: Power supply ratings (GPS part)............................................................................ 97
Table 30: Audio parameters adjustable by AT command .................................................... 103
Table 31: Voiceband characteristics (typical)....................................................................... 105
Table 32: Voiceband receive path........................................................................................106
Table 33: Voiceband transmit path....................................................................................... 107
Table 34: Air Interface ..........................................................................................................108
Table 35: Measured electrostatic values..............................................................................109
Table 36: Summary of reliability test conditions ................................................................... 110
Table 37: Ordering information DF12 series ........................................................................ 115
Table 38: Electrical and mechanical characteristics of the Hirose DF12C connector ..........115
Table 39: List of parts and accessories................................................................................ 124
Table 40: Molex sales contacts (subject to change) ............................................................125
Table 41: Hirose sales contacts (subject to change)............................................................125