Chipcon CC400DB, Руководство пользователя

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SWRU068
2
Table of contents
1 INTRODUCTION.....................................................................................................3
2 CC400DB DEMONSTRATION BOARD...............................................................4
2.1 B
EFORE STARTING
.................................................................................................4
2.2 D
EMONSTRATOR OPERATION
.................................................................................5
2.3 S
YSTEM PARAMETERS
...........................................................................................5
2.4 C
ONFIGURATION REGISTER DATA
..........................................................................6
2.5 M
ICRO
-
CONTROLLER
EEPROM
MAPPING
.............................................................7
2.6 T
ROUBLE
-
SHOOTING
..............................................................................................8
3 DEMONSTRATION BOARD SOFTWARE DESCRIPTION.............................9
3.1 S
LEEP MODE
..........................................................................................................9
3.2 P
OLLING MODE
......................................................................................................9
3.3 D
ATA PACKET DESCRIPTION
..................................................................................9
3.4 D
ATA TRANSMISSION PROTOCOL
.........................................................................10
3.5 D
ATA RECEPTION
.................................................................................................11
3.6 D
ATA DECODER ALGORITHM
...............................................................................11
4 DEMONSTRATION BOARD HARDWARE DESCRIPTION .........................12
4.1 RF-
SECTION
.........................................................................................................12
4.1.1 PLL loop filter..............................................................................................12
4.1.2 IF
filter.........................................................................................................12
4.1.3 The modulation input/output........................................................................12
4.1.4 LNA/PA
matching ........................................................................................13
4.1.5 Voltage Controlled Oscillator (VCO)..........................................................13
4.1.6 Crystal
oscillator .........................................................................................13
4.1.7 Antenna ........................................................................................................13
4.2 C
ONTROLLER SECTION
.........................................................................................14
4.2.1 RC oscillator ................................................................................................14
4.2.2 Micro-controller I/O ....................................................................................14
4.2.3 In-system-programming...............................................................................14
4.3 L
AYOUT SKETCHES
..............................................................................................16
4.4 C
IRCUIT DIAGRAM
...............................................................................................17
4.5 B
ILL OF MATERIALS
.............................................................................................18
5 USING THE DEMONSTRATOR BOARD AS A PROTOTYPE MODULE...19