User's Manual
Table Of Contents
- Contents
- Figures
- Tables
- 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 / Released
s
XT55/56_hd_v02.06a Page 10 of 125 17.12.2004
Chapter What is new
4.6 More information regarding the two serial interfaces of the GPS part
4.7 Added a complete list of GPS control signals
4.8 New chapter describing the functionality of the integrated GPS receiver
4.9 New chapter: Operation procedure
4.10 Detailed description of the GPS start-up procedure, coldstart, warmstart and
hotstart
6.3 Renamed chapter and corrected pin assignment of B2B connector