MT92220 Zarlink Semiconductor, MT92220 Datasheet - Page 145

• Manufacturer Part Number: MT92220
• Description: 1023 Channel Voice Over IP/AAL2 Processor
• Manufacturer: Zarlink Semiconductor

Data Sheet
The format of the TX xxPCM TSSTs in single and dual time-slot mode is the following:
TSSTn
TSSTn
TSSTn+1
TSSTn+1
PCM
PCM
PCM
PCM
PCM
PCM
PCM
PCM
PCM
PCM
PCM
PCM
1
1
0
0
0
0
0
0
0
0
0
0
PCM
PCM
b7
b7
b7
b7
b7
b7
0
0
b7
b7
0
0
b7
b7
0
0
b7
b7
0
0
b7
b7
0
0
(ADPCM samples in low bits)
(ADPCM samples in low bits)
(Associated Stream bit set)
(Associated Stream bit set)
TSST Grouping on H.110
TSST Grouping on H.110
b6
b6
b6
b6
b6
b6
b6
b6
b6
b6
b6
b6
b6
b6
0
0
0
0
0
0
0
0
0
0
TX Code Point Format
TX Code Point Format
TX PCM Unsigned Mag
TX PCM Unsigned Mag
TX xxPCM Sample
TX xxPCM Sample
b5
b5
b5
b5
b5
b5
b5
b5
b5
b5
b5
b5
b5
b5
1
1
0
0
0
0
0
0
0
0
Figure 80 - Format of TX xxPCM TSSTs
b4
b4
b4
b4
b4
b4
b4
b4
b4
b4
b4
b4
b4
b4
PCM
PCM
1
1
0
0
0
0
0
0
ADPCM 40kbps
ADPCM 40kbps
b3
b3
b3
b3
b3
b3
b3
b3
b3
b3
b3
b3
b3
b3
1
1
0
0
0
0
b2
b2
32kbps
32kbps
b2
b2
b2
b2
b2
b2
b2
b2
b2
b2
b2
b2
1
1
0
0
Zarlink Semiconductor Inc.
24kbps
24kbps
b1
b1
16kbps
16kbps
b1
b1
b1
b1
b1
b1
b1
b1
b1
b1
b1
b1
0
0
b0
b0
b0
b0
b0
b0
b0
b0
b0
b0
b0
b0
b0
b0
0
0
TSSTn
TSSTn
PCM
PCM
PCM
PCM
PCM
PCM
PCM
PCM
PCM
PCM
PCM
PCM
1
1
0
0
0
0
0
0
0
0
0
0
Suppress packet ending with this sample.
Suppress packet ending with this sample.
b7
b7
16kbps
16kbps
b7
b7
b7
b7
b7
b7
b7
b7
b7
b7
b7
b7
(Associated Stream bit cleared)
(Associated Stream bit cleared)
0
0
(ADPCM samples in high bits)
(ADPCM samples in high bits)
24kbps
24kbps
ADPCM 40kbps
ADPCM 40kbps
TSST Grouping on H.110
TSST Grouping on H.110
b6
b6
32kbps
32kbps
b6
b6
b6
b6
b6
b6
b6
b6
b6
b6
b6
b6
TX Code Point Format
TX Code Point Format
0
0
TX xxPCM Sample
TX xxPCM Sample
b5
b5
b5
b5
b5
b5
b5
b5
b5
b5
b5
b5
b5
b5
1
1
0
0
b4
b4
b4
b4
PCM
PCM
b4
b4
b4
b4
b4
b4
b4
b4
b4
b4
1
1
0
0
0
0
b3
b3
b3
b3
b3
b3
b3
b3
b3
b3
b3
b3
b3
b3
1
1
0
0
0
0
0
0
b2
b2
b2
b2
b2
b2
b2
b2
b2
b2
b2
b2
b2
b2
1
1
0
0
0
0
0
0
0
0
b1
b1
b1
b1
b1
b1
b1
b1
b1
b1
b1
b1
b1
b1
0
0
0
0
0
0
0
0
0
0
b0
b0
b0
b0
b0
b0
b0
b0
b0
b0
b0
b0
b0
b0
0
0
0
0
0
0
0
0
0
0
MT92220
145