Application Interface - Siemens MC45 Manual

MC45 Hardware Interface Description
P R E L I M I N A R Y

3 Application Interface

MC45 is equipped with a 50-pin 0.5mm pitch board-to-board connector that connects to the
cellular application platform. The host interface incorporates several sub-interfaces
described in the following chapters:
· Power supply and charging control (see Chapters 3.2 and 3.3)
·
Dual serial interface (see Chapter 3.5)
·
Two analog audio interfaces and a digital audio interface (see Chapter 3.6)
·
SIM interface (see Chapter 3.7)
Electrical and mechanical characteristics of the board-to-board connector are specified in
Chapter 5.3. Ordering information for mating connectors and cables are included.
MC45_HD_01_V00.02a Page 22 of 90 12.08.2002