User's Manual

NEMO Bluetooth Radio Module
Solutions for a Real Time World Datasheet
Re-Tek - 1573 - 3 - 45388 Warm Springs Blvd. Fremont, CA 94539
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Copyright Unigen Corporation, 2008
TABLE OF CONTENTS
LIST OF FIGURES __________________________________________4
LIST OF TABLES ___________________________________________5
PRODUCT INTRODUCTION ___________________________________6
PRODUCT INTRODUCTION ___________________________________6
FEATURES AND BENEFITS____________________________________6
PRODUCT DESCRIPTION_____________________________________8
NEMO Module __________________________________________8
CSR BlueCore 6 ROM Transceiver IC _________________________8
Functional Block Diagrams ________________________________9
PIN ASSIGNMENT __________________________________________11
PIN FUNCTIONS ___________________________________________12
ABSOLUTE MAXIMUM RATINGS _______________________________13
RECOMMENDED OPERATING CONDITIONS ______________________13
RF CHARACTERISTICS ______________________________________14
EXTERNAL SLOW CLOCK SOURCE CHARACTERISTICS ______________14
AGENCY CERTIFICATIONS (PRE-SCAN) _________________________15
REGULATORY COMPLIANCE STATEMENT ________________________15
FUNCTIONAL OVERVIEW ____________________________________16
NEMO Hardware Functional Description ______________________16
NEMO Firmware Functional Description ______________________17
CSR BLUETOOTH SOFTWARE STACK____________________________18
Key Features of the HCI Stack: Standard Bluetooth Functionality __19
Key Features of the HCI Stack: Extra Functionality______________21
DIGITAL INTERFACES_______________________________________22
High Speed UART Interface________________________________22
BlueCore Serial Protocol (BCSP) ____________________________22
BLUECORE COMMAND (BCCMD) PROTOCOL______________________24
Audio PCM and I2S Interfaces _____________________________25
PCM Interface Master/Slave _______________________________25
PCM Long Frame Sync____________________________________27
Short Frame Sync _______________________________________28
Multi-slot Operation _____________________________________29
GCI Interface __________________________________________30
PCM Slots and Sample Formats_____________________________31
PCM Timing Information __________________________________32
PCM CLK and PCM SYNC Generation _________________________34
PCM Configuration ______________________________________35
Digital Audio Interface (I²S)_______________________________38
Figure 20: Digital Audio Interface Master Timing _______________41
POWER CONSUMPTION _____________________________________42
BOOTING NEMO ROM _______________________________________44