User's Manual
Table Of Contents
- Contents
- Figures
- Tables
- Document History
- Introduction
- Product concept
- Application Interface
- Antenna interface
- Electrical, reliability and radio characteristics
- Mechanics
- Reference Approval
- List of parts and accessories
MC46 Hardware Interface Description
Confidential / Released
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MC46_HD_V03.05 Page 26 of 99 13.11.2003
3.3 Power up / down scenarios
In general, be sure not to turn on MC46 while it is out of the operating range of voltage and
temperature stated in Chapters 5.2 and 5.3. MC46 would immediately switch off after having
started and detected these inappropriate conditions.
3.3.1 Turn on MC46
MC46 can be activated in a variety of ways, which are described in the following chapters:
· via ignition line /IGT: starts normal operating state (see Chapters 3.3.1.1 and 3.3.1.2)
· via POWER line: starts charging algorithm (see Chapters 3.5.3 and 3.3.1.3)
· via RTC interrupt: starts Alarm mode (see Chapter 3.3.1.4)