Digital Voice Systems AMBE-3000 manuals

Digital voice systems AMBE-3000 Specifications (111 pages)

Brand: Digital-voice-systems | Category: Decoders | Size: 3.10 MB |

English

Table of contents

AMBE-3000F™ 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

26

2.7.1 External Clock Source

29

2.7.2 Crystal Oscillator

29

Table 7 Voltage Supply Pins

32

3.6 Reset Behavior

33

Figure 11 TX_RDY after Reset

34

Figure 12 Output Levels

34

3.8 Power-Down Sequencing:

35

3.9 Low Power Modes

35

3.9.1 Run State

36

3.9.2 Idle State

36

3.9.3 Standby State

36

3.9.4 Halt State

36

3.9.5 Power Modes

37

4.2 Interface Selection

40

4.4 Vocoder State

41

Figure 18 Typical Echo Path

43

Table 11 Companding Control

44

5 I/O Management

45

Table 13 ECMODE_IN Flags

46

Table 14 ECMODE_OUT FLAGS

46

Table 15 DCMODE_IN Flags

47

Table 16 DCMODE_OUT Flags

47

5.2 Codec mode

49

“0 to Transition”“1”

51

“Packet_ _Zone”Uncertainty

51

“aperiodic packets”

52

5.3 Packet Mode

53

Figure 29 Packet Mode

55

5.5 SPI Interface

56

5.6 UART Interface

57

5.7 McBSP Interface

58

5.8 Parallel Interface

61

Table 26 PPT Timing

62

Figure 36 Vocoder Front End

64

Diagram

66

6.1 Overview

68

6.2 Codec Mode Operation

68

6.3 Packet Mode Operation

68

6.4 Packet Interfaces

69

6.5 Packet Format

69

6.5.3 TYPE (1 byte)

70

6.5.4 Packet Fields

70

Table 59 PKT_CODECSTOP Field

78

Table 61 PKT_CHANFMT Field

79

samples dcmode

80

Table 64 PKT_SPCHFMT Field

80

0x54 0x46 0x00

81

Table 71 PKT_READY Field

82

Table 72 PKT_HALT Field

82

Table 73 PKT_RESET Field

82

6.7.1 Speech Packet Fields

89

Table 100 CMODE Field Format

90

Table 103 TONE Field Format

90

6.11 Example Packets

94

7 Appendices

98

Table 115 Rate Index Numbers

100

8 Support

103

Digital Voice Systems, Inc

104

10 IC Chip Software Errata

107

Release 007 09/10/2009

108

Release 014 08/31/2012

108

11 History of Revisions

109

Digital Voice Systems devices