User Guide

PAMS
System Module DB6
NHB–3
Technical Documentation
Original 26/97
Page 4–2
CHAPTER 4 – SYSTEM MODULE
CONTENTS
Page No
System Module DB6 4–4
Baseband Block 4–4
Introduction 4–4
Technical Summary 4–4
Interconnection Diagram 4–5
Technical Specifications 4–5
Control Signals 4–6
Connector to UIF Module 4–9
System Connector X100 4–10
Internal Signals and Connections 4–11
Functional Description 4–13
Clocking Scheme Diagram 4–13
Circuit Description 4–13
Reset and Power Control Diagram 4–14
Watchdog System Diagram 4–15
Power Distribution Diagram 4–16
CTRLU 4–17
PWRU 4–21
Introduction 4–21
Block Description 4–22
DSPU 4–24
Introduction 4–24
Technical Description 4–26
Block Description 4–27
AUDIO 4–28
Introduction 4–28
Technical Specification 4–28
Block Description 4–29
ASIC 4–31
Introduction 4–31
Technical Specification 4–31
Block Description 4–33
RFI 4–36
Introduction 4–36
Technical Specification 4–36
Block Description 4–37
Definitions and Abbreviations 4–38