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Digital Voice Systems AMBE-3000 Specifications Page 14
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102
AMBE-3000™ Vocod
er Chip Users Manual
Version
2.8
,
August, 2011
H
ardware Infor
mation
2.2
Package Details
2.2.1
128-pin Low-Profile Quad Flat Pack (LQFP)
Figure 1 TQFP Mechanical Details
(Subject to Change)
Page
4
DVSI CONFI
DENTIAL PROPRIE
TARY
1
2
...
9
10
11
12
13
14
15
16
17
18
19
...
101
102
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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