User's Manual
Table Of Contents
- 1: Purpose
- 2: Scope
- 3: VAM-CM Overview
- 4: VAM-CM interfaces
- 4.1: Absolute maximum ratings
- 4.2: VAM Control interface description
- 4.2.1: System USB description
- 4.2.2: USIM interface description
- 4.2.3: VAM control UART interface description
- 4.2.4: Analog Audio interface description
- 4.2.5: Digital Audio interface description
- 4.2.6: Power Supply interface description
- 4.2.7: External VRTC Supply Functionality
- 4.2.8: Control and ID interface description
- 4.3: Radio interface description
- 4.4: VAM-CM Power Management Handling
- 4.5: Mechanical interface
- 4.6: Environmental conditions
- 5: Evaluation tools
DRAFT
4: VAM-CM interfaces
4: VAM-CM interfaces
This chapter describes all VAM-CM external interfaces. These interfaces are divided into three
sections; VAM Control and ID interface, radio interface and mechanical interface. In addition there
are also several test points located in the PWB which can be used for debugging and verification
purposes.
Pin numbers for signals are subject to change during the development phase of the device.
Figure 5
shows the location of the interfaces in the VAM-CM. Interfaces are specified in more detailed
in the following chapters.
Figure 5. VAM-CM interface locations
4.1: Absolute maximum ratings
Signal Description Min Max Unit
USB USB interface 0 4,5 V
UART UART interface -0,5 5,5 V
Digital Audio Digital audio interface -0,5 5,5 V
Analog audio Analog audio interface 0 4,5 V
Control Level shifter interface -0,5V 5,5 V
SIM SIM interface -0,3 5,5 V
11:GSPS Core Module 2.0 VAM-CM HW Description
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