Digital Voice Systems AMBE-3000 manuals

Digital voice systems AMBE-3000 Specifications (102 pages)

Brand: Digital-voice-systems | Category: Recording Equipment | Size: 3.11 MB |

English

Table of contents

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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