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AMBE-3000F™ Vocoder Chip Users Manual
Version 3.4, April, 2014
Dat
a and Configuration Packets
1 Byte 1 Byte
0x10
0x00
(anything different indicates error)
Table 52 PKT_LOWPOWER Response Field Format
PKT_CODECCFG field (varies bytes) this field contains configuration data that the ABME-3000™ will send to the codec
after it receives a PKT_CODECSTART packet.
PKT_CODECCFG Field - Packet Format
Field Identifier Control Field Data
1 Byte (R) +1 Bytes
0x38 # of regs (R) reg# regdata … reg# regdata
Table 53 PKT_CODECCFG Field Format
#of regs (R) bytes contains the number of control registers that will be programmed (where 0 < R < 10)
reg# byte is the value of the control register the following byte of data is to be used for.
regdata byte is the value that will be placed in the preceding control register number.
PKT_CODECCFG Field (default values)- Packet Example
Field
Identifier
Control Field Data
1 Byte 11 Bytes
0x38 0x05 0x01 0x41 0x02 0xA0 0x04 0x83 0x05 0xBB 0x06 0x04
Table 54 PKT_CODECCFG Field Example Data (default values shown)
PKT_CODECCFG field (1 byte total) Indicates that the AMBE-3000F™ Vocoder Chip sent a configuration packet to the
Codec.
PKT_CODECCFG Response Field - Format
Field Identifier Response Field Data
1 Byte 1 Byte
0x38
0x00
(anything different indicates error)
Table 55 PKT_CODECCFG Response Field Format
PKT_CODECSTART field (2 bytes total) this will switch the AMBE-3000F™ Vocoder Chip from packet mode to codec
mode. It also causes the Codec Reset signal to be set. Then the codec configuration words that were set using the
PKT_CODECCFG field, are sent via the I
2
C pins. After entering Codec mode the AMBE-3000F™ Vocoder Chip will output
packets containing channel data every 20ms. The channel data is obtained by encoding the speech samples received from the
selected codec interface.
PKT_CODECSTART Field - Packet Format
Field Identifier Control Field Data
1 Byte 1 Byte
0x2A See Table 57 PKT_CODECSTART Field Data
Table 56 PKT_CODECSTART Field Format
(Subject to Change) Page 67
DVSI CONFIDENTIAL PROPRIETARY
- 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
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