Specifications
AMBE-3000F™ Vocoder Chip Users Manual
Version 3.4, April, 2014
6.3
Packet Mode Operation...........................................................................................................................58
6.4 Packet Interfaces.....................................................................................................................................59
6.5 Packet Format .........................................................................................................................................59
6.5.1 START_BYTE (1 byte).....................................................................................................................................59
6.5.2 LENGTH (2 bytes) .......................................................................................................................................... 59
6.5.3 TYPE (1 byte)..................................................................................................................................................60
6.5.4 Packet Fields...................................................................................................................................................60
6.5.5 Parity Field (Parity is enabled by default)......................................................................................................61
6.6 Control Packet Format (Packet Type 0x00) ............................................................................................61
6.6.1 Control Packet Fields and Response Fields ................................................................................................... 61
6.7 Input Speech Packet Format (Packet Type 0x02) ..................................................................................79
6.7.1 Speech Packet Fields ...................................................................................................................................... 79
6.8 Output Speech Packets Format (Packet Type 0x02)..............................................................................82
6.9 Input Channel Packet Format (Packet Type 0x01) .................................................................................82
6.9.1 Channel Packet Fields.................................................................................................................................... 82
6.10 Output Channel Packet Format (Packet Type 0x01) ..............................................................................84
6.11 Example Packets.....................................................................................................................................84
6.11.1 Speech Packet Example 1 .............................................................................................................................. 84
6.11.2 Speech Packet Example 2 .............................................................................................................................. 85
6.11.3 Channel Packet Example 1............................................................................................................................ 86
6.11.4 Channel Packet Example 2............................................................................................................................ 87
7 APPENDICES ...................................................................................................................88
7.1 Algorithmic and Processing Delays.........................................................................................................88
7.2 Vocoder Rate by Index Number ..............................................................................................................89
7.3 Rate - Control Words / Configuration Pin Settings..................................................................................91
8 SUPPORT .........................................................................................................................93
8.1 DVSI Contact Information........................................................................................................................93
9 ENVIRONMENTAL SPECIFICATIONS ............................................................................94
10 IC CHIP SOFTWARE ERRATA........................................................................................97
11 HISTORY OF REVISIONS ................................................................................................99
List of Figures
Figure 1 TQFP Mechanical Details ..........................................................................................4
Figure 2 BGA Mechanical Details................................................................................................5
Figure 3 AMBE-3000F™ Vocoder Chip Pins for LQFP Package..................................................... 6
Figure 4 AMBE-3000F™ Vocoder Chip Pins Bottom View of BGA chip .......................................... 7
Figure 5 AMBE-3000F™ Vocoder Chip LQFP Markings...............................................................8
Figure 6 AMBE-3000F™ Vocoder Chip Markings for BGA ........................................................... 9
Figure 7 X1/XCLKIN and X2 with TTL/CMOS Clock Source....................................................... 19
Figure 8 X1/XCLKIN and X2 with Crystal Oscillator................................................................. 20
Figure 9 Input Clock Requirements...................................................................................... 20
(Subject to Change) Page vii
DVSI CONFIDENTIAL PROPRIETARY