User`s manual

AMBE-20X0™-HDK Development Board
User’s Manual (Preliminary)
Section – Table of Contents
Table of Contents
Preliminary
Section 1 I NTRODUCTION ....................................................................1
GENERAL INFORMATION.........................................................................................1
OVERVIEW ............................................................................................................2
AMBE-2000™ INSIDE...........................................................................................3
AMBE-2000™ Vocoder Chip Applications..................................................4
Data Rates from 2000bps to 9600bps ........................................................4
FEC .............................................................................................................4
Voice Activation Detection (VAD)................................................................5
Comfort Noise Insertion (CNI).....................................................................5
Echo Cancellation .......................................................................................5
WHAT’S INCLUDED WITH THE HDK.........................................................................5
Section 2 C ONNECTORS , T EST P OINTS & I NDICATORS ...........................6
OVERVIEW ............................................................................................................6
DC POWER...........................................................................................................7
ANALOG AUDIO I/O................................................................................................7
HANDSET ..............................................................................................................8
RS-232 CONNECTIONS .........................................................................................8
Channel I/O.................................................................................................9
Console Out ..............................................................................................10
JTAG CONNECTIONS ..........................................................................................10
PLD JTAG Interface..................................................................................11
TEST POINTS ......................................................................................................11
AMBE-2000™ ...........................................................................................12
Analog I/O .................................................................................................12
HDK BOARD STATUS INDICATOR LEDS................................................................13
Section 3 HDK C ONFIGURATION & D ATA R ATE S ELECTION .................14
OVERVIEW ..........................................................................................................14
BOARD RESET.....................................................................................................14
AMBE-2000™VOCODER SET-UP VIA DIP-SWITCHES ...........................................14
Slide Dip-Switch Settings..........................................................................15
Jumpers ....................................................................................................17
HDK RS-232 INTERFACE SET-UP VIA KEYPAD .....................................................17
Section 4 C OMMUNICATION VIA C HANNEL I NTERFACE ..........................18
OVERVIEW ..........................................................................................................18
BASIC OPERATION...............................................................................................18
“HDK Format” Packet Data Structure........................................................19
Data Structure “AMBE-2000 Format” Packet............................................20
HDK AUDIO CODEC LOOP BACK ..........................................................................21
LOOP BACK HDK AUDIO CODEC AND AMBE-2000™ VOCODER CHIP ...................21
CONNECTING TWO BOARDS TOGETHER VIA RS-232 CHANNEL I/O.........................22
CONNECTING THE CONSOLE OUT UART SERIAL CONNECTION TO A PC................23
CONNECTING THE RS-232 CHANNEL I/O TO A PC ................................................25
DEMONSTRATION SOFTWARE...............................................................................25
RUNNING THE AMBE_HDK.EXE FILE.......................................................................26
Command Line Options ............................................................................26
Section 5 S PECIFICATIONS ................................................................28
OVERVIEW ..........................................................................................................28