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AMBE-3000™ Vocoder Chip Users Manual
Version 2.8, August, 2011
(Subject to Change) Page 91
DVSI CONFIDENTIAL PROPRIETARY
History of Revisions
Digital Voice Systems, Inc.
The Speech Compression Specialists
11 History of Revisions
History of Revisions
Revision
Number
Date of
Revision
Description Pages
Edited Table 39 PKT_COMPAND Field Format 54
1.02
Oct 7,
2008
Edited Table 45 PKT_RATEP Field Example Custom rate words 55
Revised Table 17 SPI Interface Pins pin 31 and pin 32 16
Revised Timing Diagram 16
Revised Figure 3 AMBE-3000™ Vocoder Chip Pins for LQFP Package-
pin 31 pin 32 and pin106
35
Revised Table 1 Pinout List Pins 24 Input description 37
Revised Table 1 Pinout List Pins 31 and Pin 32 descriptions 37
Revised Table 1 Pinout List Pin 106 Name 40
1.03
Oct 14,
2008
Revised Figure 30 AMBE-3000™ Vocoder Chip and TLV320AIC14
Interface Bl
ock Diagram
47
Added Skew Control (SK_ENABLE TQFP pin 6 BGA pin D3) 14
Revised Figure 23 Timing of McBSP When Selected as Codec Interface 34
Added Table 22 McBSP Codec Interface Timing 34
Revised Table 23 McBSP Packet Interface Timing 35
1.04
Dec 9
2008
Re-ordered parts of Sections 2 and 3
1.05
Feb 19
2009
Edited Skew Control Codec Mode Description 17
Edited Table 115 Rate Index Numbers to indicate rate #32 is compatible to
the AMBE-2000™ Vocoder chip
75
Edited Note to explain that the rate require custom Control words for the
AMBE-2000™ Vocoder chip
75
1.06
April 20,
2009
Edited Table 116 Rate Control Words and Pin Settings to indicate rate #32
is co
mpatible to the AMBE-2000™ Vocoder chip
77
Added BGA information -
1.07 June 2009
Added PKT_RTSTHRESH and PKT_GAIN to Control Packet Fields 60
Added Single Tone Information to table Table 104 TONE Index Values 77
Added information on which pins have internal pullup or pulldown 37
Edited Table 8 Typical AMBE-3000™ Vocoder Chip Power Measurements 35
1.08 July 2009
Removed references to Parity Enable Pin 79
Edited table Table 22 McBSP Codec Interface Timing 50
1.09
September
2009
Edited Section Special Handling Instructions 3
Edited PKT_VERSTRING Response field description 61
1.10
October
2009
Added Section IC Chip Software Errata 86
- AMBE-3000™ Vocoder Chip 1
- DVSI Confidential Proprietary 1
- (Subject to Change) Page v 5
- (Subject to Change) Page x 10
- 1 Product Introduction 11
- 1.3 Typical Applications 12
- 2 Hardware Information 13
- 2.2 Package Details 14
- (Subject to Change) Page 5 15
- 2.3 Pin Assignment Layouts 16
- A B C D E F G H J K L M N P 17
- (Subject to Change) Page 8 18
- (Subject to Change) Page 9 19
- 2.5 Pin Out Table 20
- PARITY_ENABLE 79 22
- Input Enable parity bit 22
- Table 1 Pinout List 25
- 2.7.1 External Clock Source 28
- 2.7.2 Crystal Oscillator 29
- Digital Voice Systems, Inc 30
- Table 7 Voltage Supply Pins 31
- 3.7 Power-Down Sequencing: 32
- 3.8 Low Power Modes 33
- 3.8.1 Run State 34
- 3.8.2 Idle State 34
- 3.8.3 Standby State 34
- 3.8.4 Halt State 34
- 3.8.5 Power Modes 34
- Figure 13 Power Modes 35
- 4.2 Interface Selection 37
- Figure 15 Typical Echo Path 39
- Table 11 Companding Control 41
- 5 I/O Management 42
- Table 13 ECMODE_IN Flags 43
- Table 14 ECMODE_OUT FLAGS 43
- Table 15 DCMODE_IN Flags 44
- Table 16 DCMODE_OUT Flags 44
- 5.1 Operating Modes 45
- 5.1.3 Packet Mode 47
- Figure 20 Packet Mode 49
- 5.2 SPI Interface 50
- 5.3 UART Interface 51
- 5.4 McBSP Interface 52
- 5.5 Parallel Interface 55
- Table 26 PPT Timing 56
- Figure 27 Vocoder Front End 57
- Diagram 59
- 6.1 Overview 61
- 6.2 Codec Mode Operation 61
- 6.3 Packet Mode Operation 61
- 6.4 Packet Interfaces 62
- 6.5 Packet Format 62
- 6.5.3 TYPE (1 byte) 63
- 6.5.4 Packet Fields 63
- Table 59 PKT_CODECSTOP Field 71
- Table 61 PKT_CHANFMT Field 71
- samples dcmode 72
- Table 71 PKT_READY Field 74
- Table 72 PKT_HALT Field 74
- Table 73 PKT_RESET Field 74
- 6.7.1 Speech Packet Fields 81
- Table 100 CMODE Field Format 82
- Table 103 TONE Field Format 82
- 6.11 Example Packets 86
- 7 Appendices 90
- Table 115 Rate Index Numbers 92
- 8 Support 95
- 10 IC Chip Software Errata 99
- Release 007 09/10/2009 100
- 11 History of Revisions 101
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