MT90870 Zarlink Semiconductor, Inc., MT90870 Datasheet - Page 12

• Manufacturer Part Number: MT90870
• Description: Flexible 12k Digital Switch (F12kDX)
• Manufacturer: Zarlink Semiconductor, Inc.

MT90870
Table 1 - Per-stream Data-Rate Selection: Backplane and Local, Non-32Mb/s Mode and 32Mb/s Mode
12
Input stream - Backplane 0-15 (BSTi0-15)
Input stream - Backplane 16-31 (BSTi16-31)
Output stream - Backplane 0-15 (BSTo0-15)
Output stream - Backplane 16-31 (BSTo16-31)
Input stream - Local 0-15 (LSTi0-15)
Output stream - Local 0-15 (LSTo0-15)
LSTi/LSTo0-15
LSTi/LSTo0-15
LSTi/LSTo0-15
LSTi/LSTo0-15
LSTi/LSTo0-15
LSTi/LSTo0-15
LSTi/LSTo0-15
LSTi/LSTo0-15
FP8i (ST-BUS)
C8i (ST-BUS)
(8.192MHz)
(16Mb/s) GCI
(16Mb/s) ST
(8Mb/s) GCI
(4Mb/s) GCI
(2Mb/s) GCI
C8i (GCI)
(8.192MHz)
(8Mb/s) ST
(4Mb/s) ST
(2Mb/s) ST
FP8i (GCI)
(8kHz)
(8kHz)
Stream Number
Figure 5 - Local Port Timing Diagram for 2,4,8 and 16Mb/s stream rates
0
7
0
7
1
6
0
7
0
7
7
0
7
0
6
1
7
0
5
2
6
1
Channel 0
Channel 0
Channel 0
Channel 0
Channel 0
Channel 0
Channel 0
Channel 0
4
3
7
0
3
4
5
2
2
5
6
1
1
6
2.048, 4.096, 8.192 or 16.384Mb/s - Non-32Mb/s Mode
32.768Mb/s - 32Mb/s Mode
Unused - 32Mb/s Mode
32.768Mb/s - 32Mb/s Mode
Unused - 32Mb/s Mode
2.048, 4.096, 8.192 or 16.384Mb/s
2.048, 4.096, 8.192 or 16.384Mb/s - Non-32Mb/s Mode
2.048, 4.096, 8.192 or 16.384Mb/s - Non-32Mb/s Mode
2.048, 4.096, 8.192 or 16.384Mb/s - Non-32Mb/s Mode
2.048, 4.096, 8.192 or 16.384Mb/s
4
3
0
7
(for each individual stream)
Rate Selection Capability
3
4
6
1
1
6
5
2
Channel 127
Channel 127
Channel 255
Channel 255
2
5
Channel 63
Channel 63
Channel 31
Channel 31
Preliminary Information
4
3
0
7
3
4
1
6
2
5
0
7
1
6
0
7
0
7
7
0
7
0
7
0
7
0