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Programmes After Market Services
NSD-5 Series Transceivers




3. System Module




Issue 1 05/02 Nokia Corporation
NSD-5
3. System Module PAMS Technical Documentation




Page 2 Nokia Corporation Issue 1 05/02
NSD-5
PAMS Technical Documentation 3. System Module

Contents
Page No
Transceiver NSD-5 ........................................................................................................ 7
Introduction ..................................................................................................................7
Modes of Operation .....................................................................................................7
Interconnection Diagram........................................................................................... 8
System Module ............................................................................................................9
Circuit Description .................................................................................................... 9
Connectors ...................................................................................................................9
System Connector ..................................................................................................... 9
Baseband Module and Interface ................................................................................10
Block Diagram ........................................................................................................ 10
Baseband Elements ................................................................................................. 10
Baseband ASICS Description ................................................................................. 10
Baseband-related External Interface ....................................................................... 11
FBUS....................................................................................................................... 11
MBUS...................................................................................................................... 11
JTAG Interface........................................................................................................ 11
MAD4/External Memories Interface ...................................................................... 11
Functional Timing Parameters ................................................................................ 13
MAD4/VIBRA Interface......................................................................................... 14
MAD4/RF Interface ................................................................................................ 15
MAD4/RF Synthesizer Interface............................................................................. 15
Functional Description ............................................................................................ 15
Signal Definitions.................................................................................................... 15
MAD4/RF Receiver and Transmitter Interface....................................................... 17
Functional Description ............................................................................................ 17
Signal Definitions.................................................................................................... 17
CAFE Module/Interface ............................................................................................19
CAFE Module Description...................................................................................... 19
Detailed Module Description .....................................................................................20
CDMA Mode........................................................................................................... 20
Clock ....................................................................................................................... 21
Audio....................................................................................................................... 21
General Description................................................................................................. 22
CAFE/MAD4 Serial Data Interface ........................................................................ 24
CAFE/MAD4 TX Interface..................................................................................... 24
TX Gate Enable....................................................................................................... 24
CAFE/MAD4 Clock/Reset Interface ...................................................................... 24
CAFE/RF Interface ................................................................................................. 25
General Description................................................................................................. 25
RX/CAFE CDMA RX Interface ............................................................................. 26
RF/CAFE CDMA TX Interfaces............................................................................. 27
Power Management (CCONT) Module and Interface ...............................................27
CCONT Module Functional Description ................................................................ 27
CCONT Regulators ................................................................................................. 28
Watchdog ................................................................................................................ 29
Power Up ...................................................................................................................29
Power Up by Power Button..................................................................................... 31


Issue 1 05/02 Nokia Corporation Page 3
NSD-5
3. System Module PAMS Technical Documentation

Power Up When Charger Connected ...................................................................... 32
Power Up by IBI ..................................................................................................... 33
Power Up With RTC ............................................................................................... 33
Charging