Specifications

AMBE-3000™ Vocoder Chip Users Manual
Version 2.8, August, 2011
H
istory of Revisions
Edited Table 104 TONE Index Values 79
Edited CMODE Field description
1.11
November
2009
Edited PKT_INIT Field description
Various Typographical and Formatting edits
Edits to Section 2.7 Crystal / Oscillator Usage 18
Edits to Sections 3.3 to 3.6 20-22
Edits to Section 5.2 SPI Interface 40
Edits to Section 5.4 McBSP Interface 42
Edits to Section 6.5 Packet Format 52
Edits to Table 32 Control Packet Fields 55
Edits to Table 62 PKT_CHANFMT Data Settings 62
2.0
April
2010
Edits to Table 65 PKT_SPCHFMT Data Settings 63
2.1 May 2010 Edited TX_RDY description in table 2.5 12
2.2 May 2010 Edited DTMF description Section 4.4.3 30
Highlighted Note for Rate Table. 83
Added Notes to PKT_CHANFMT and PKT_SPCHFMT Fields 61-62
2.3
August
2010
Added Table 101 CMODE Parameters Table 72
2.4
October
2010
Added Custom Rate Interoperable with DSTAR in Table 116 Rate Control
W
ords and Pin Settings
83
2.5
December
2010
Moved Custom Rate Interoperable with DSTAR in Table 116 Rate Control
W
ords and Pin Settings to show it is a AMBE+™ Vocoder Rate
83
Corrected hyperlink cross-references and edited Figure 27 Vocoder Front
End, Figure 28 Front End Input Filter Mask and Figure 29 Front End
Ou
tput Filter Mask
47-48
2.6
March
2011
Edited D-Star rate in Note for Table 116 Rate Control Words and Pin
Settin
gs
83
Edited Figure 31 AMBE-3000™ Vocoder Chip and PCM3500 Interface
Block Diagram
50
Added Note to PKT_GAIN and PKT_GAIN Response Packets 70
Edited Table 104 TONE Index Values to show Tone Index value for
various Rate Indexes
73
2.7
April
2011
Added Algorithmic and Processing delay details 80
Removed (pin 57 TQFP) and (pin M9 BGA) from the No Connection
section of Table 1 Pinout List
15
Edited dcmode information in Table 62 PKT_CHANFMT Data Settings 62
2.8
August
2011
Edited data response byte -- Table 63 PKT_CHANFMT Response Field 62
(Subject to Change) Page 92
DVSI CONFIDENTIAL PROPRIETARY