Specifications

AMBE-3000™ Vocoder Chip Users Manual
Version 2.8, August, 2011
Figure 19 Interface Block Diagram Packet Mode .................................................................... 38
Figure 20 Packet Mode....................................................................................................... 39
Figure 21 SPI Timing......................................................................................................... 40
Figure 22 Timing of SPI_GENSTE ........................................................................................ 41
Figure 23 Timing of McBSP When Selected as Codec Interface................................................. 43
Figure 24 Timing of McBSP when Selected as Packet Interface................................................. 44
Figure 25 PPT Interface Timing ........................................................................................... 46
Figure 26 Typical Vocoder Implementation ........................................................................... 47
Figure 27 Vocoder Front End .............................................................................................. 47
Figure 28 Front End Input Filter Mask .................................................................................. 48
Figure 29 Front End Output Filter Mask ................................................................................ 48
Figure 30 AMBE-3000™ Vocoder Chip and TLV320AIC14 Interface Block Diagram ...................... 49
Figure 31 AMBE-3000™ Vocoder Chip and PCM3500 Interface Block Diagram............................ 50
List of Tables
Table 1 Pinout List ............................................................................................................ 15
Table 2 Hardware Configuration Settings.............................................................................. 17
Table 3 Normal Operating Conditions................................................................................... 20
Table 4 Recommended Operating Conditions......................................................................... 20
Table 5 Absolute Maximum Ratings ..................................................................................... 21
Table 6 Thermal Resistance Characteristics........................................................................... 21
Table 7 Voltage Supply Pins................................................................................................ 21
Table 8 Typical AMBE-3000™ Vocoder Chip Power Measurements............................................ 26
Table 9 Physical Interface Selection..................................................................................... 28
Table 10 Soft Decision Error Correction................................................................................ 30
Table 11 Companding Control............................................................................................. 31
Table 12 Companding Selection .......................................................................................... 31
Table 13 ECMODE_IN Flags................................................................................................ 33
Table 14 ECMODE_OUT FLAGS............................................................................................ 33
Table 15 DCMODE_IN Flags................................................................................................ 34
Table 16 DCMODE_OUT Flags............................................................................................. 34
Table 17 SPI Interface Pins ................................................................................................ 40
Table 18 SPI Timing.......................................................................................................... 40
Table 19 UART Interface Pins.............................................................................................. 41
Table 20 UART Baud Rates................................................................................................. 42
Table 21 McBSP Interface Pins............................................................................................ 42
Table 22 McBSP Codec Interface Timing............................................................................... 43
Table 23 McBSP Packet Interface Timing .............................................................................. 44
Table 24 McBSP Clock Rates............................................................................................... 45
Table 25 Parallel (PPT) Interface Pins................................................................................... 45
Table 26 PPT Timing.......................................................................................................... 46
Table 27 Control Register Value for the TLV320AIC14 ............................................................ 49
Table 28 General Packet Format WITHOUT Parity Field........................................................... 52
Table 29 General Packet Format WITH Parity Field................................................................. 52
Table 30 Packet Types....................................................................................................... 53
Table 31 General Field Format ............................................................................................ 53
Table 32 Control Packet Fields ............................................................................................ 55
Table 33 PKT_CHANNEL(0) Field Format............................................................................... 55
Table 34 PKT_CHANNEL(0) Response Field Format ................................................................ 55
Table 35 PKT_ECMODE Field Format.................................................................................... 55
Table 36 PKT_ECMODE Field Response Format...................................................................... 56
Table 37 PKT_DCMODE Field Format.................................................................................... 56
(Subject to Change) Page viii
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