User Guide

PAMS Technical Documentation CMT Module MA4
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Glossary of Terms.......................................................................................................... 6
MA4 Module Summary ............................................................................................... 10
Baseband ..................................................................................................................... 10
Technical Summary ...................................................................................................10
External Signals and Connectors ...............................................................................11
Test Flash-Connector (X201).................................................................................. 12
Battery Connector (X203)....................................................................................... 13
SIM card connector (X400)..................................................................................... 13
Internal Signals and connections ...............................................................................14
36-pin board to board connector ............................................................................. 14
Power Distribution .....................................................................................................16
Battery Charging ..................................................................................................... 17
PWM ..........................................................................................................................19
Battery identification (BSI)..................................................................................... 19
Battery temperature (BTEMP)................................................................................ 21
Supply voltage regulators ..........................................................................................21
Switched mode power supply VSIM ...................................................................... 23
Power Up and Power Down ......................................................................................24
Power up with a charger.......................................................................................... 24
Power up with power switch (PWRONX) .............................................................. 25
Power up by RTC.................................................................................................... 26
Power up by IBI ...................................................................................................... 26
Power Down............................................................................................................ 26
Modes of Operation ...................................................................................................27
Acting Dead............................................................................................................. 27
Active Mode............................................................................................................ 27
Sleep Mode.............................................................................................................. 27
Charging.................................................................................................................. 27
Watchdog ................................................................................................................ 28
Digital Control ...........................................................................................................29
Program and Data Memory..................................................................................... 29
Work Memory......................................................................................................... 29
MCU Memory Map................................................................................................. 30
Flash Programming ....................................................................................................30
COBBA GJP ..............................................................................................................30
Real time clock....................................................................................................... 30
RF Module ................................................................................................................... 32
Maximum Ratings .....................................................................................................32
RF Characteristics ......................................................................................................32
DC characteristics ......................................................................................................32
Regulators................................................................................................................ 32
Frequency Synthesizer ...............................................................................................33
Receiver .....................................................................................................................33
Transmitter .................................................................................................................34
AGC strategy .............................................................................................................35
AFC function .............................................................................................................35
DC-compensation ......................................................................................................35