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AMBE-3000F™ Vocoder Chip Users Manual
Version 3.4, April, 2014
H
ardware Information
2.5 Pin Out Table
Pin Number
Pin Name
TQFP BGA
Pin
Type
Notes
IF_SELECT0 2 C2 Input Interface selection configuration
IF_SELECT1 3 C3 Input Interface selection configuration
IF_SELECT2 4 B1 Input Interface selection configuration
DTX_ENABLE 5 C1 Input Enables VAD and CNI
SK_ENABLE 6 D3 Input Skew Control enable / disable
NS_ENABLE 7 D2 Input Noise Suppression enable / disable
CP_ENABLE 8 D1 Input Companding enable / disable
CP_SELECT 9 F5 Input Select a-law / µ-law
VREF_1V 10 E4 -
Voltage Reference Output (1 V). Requires a low ESR (50 mΩ -
1.5 Ω) ceramic bypass capacitor of 10 μF to analog ground.
VREF_2V 11 E2 -
Voltage Reference Output (2 V). Requires a low ESR (50 m Ω -
1.5 Ω) ceramic bypass capacitor of 10 μF to analog ground.
ADCRESEXT 16 F2 - ADC External Current Bias Resistor (24.9kΩ) to Ground
McBSP_RxD 18 G2 Input McBSP Serial Packet/Codec Receive Data
McBSP_TxD 19 G1 Output McBSP Serial Packet/Codec Transmit Data
McBSP_CLKR 21 H2 Input McBSP Serial Packet/Codec receive clock
McBSP_FSX 22 H4 I/O
McBSP Serial Packet/Codec transmit frame
This signal is an input if the McBSP is used for Codec interface.
This signal is an output if the McBSP is used for Packet interface.
McBSP_CLKX 23 J1 I/O
McBSP Serial Packet/Codec transmit clock. This signal is an
Input if the McBSP is used for the Codec Interface. This signal is
an Output if the McBSP is used for Packet interface.
McBSP_FSR 24 J2 Input McBSP Serial packet/Codec receive frame
SPI_CLK 27 K2 Input
This is the Serial clock from Codec. It also should be connected to
SPI_CLK_IN
SPI_STE 28 K4 Input
This is the framing signal generated from SPI_GENSTE. This pin
need to be connected to Pin #77 on the AMBE-3000F™ Vocoder
Chip.
SPI_RX_DATA 31 M1 Input PCM Data from A/D Converter to AMBE-3000F™ Vocoder Chip
SPI_TX_DATA 32 N1 Output PCM Data from AMBE-3000F™ Vocoder Chip to D/A Converter
PPT_DATA0 33 N2 I/O Parallel Packet Data
PPT_DATA1 34 P2 I/O Parallel Packet Data
(Subject to Change) Page 10
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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