MT90870AG Zarlink, MT90870AG Datasheet - Page 38

• Manufacturer Part Number: MT90870AG
• Description: Switch Fabric 12K x 12K/8K x 4K 1.8V/3.3V 272-Pin BGA Tray
• Manufacturer: Zarlink

Specifications of MT90870AG

• Package: 272BGA
• Number Of Ports: 32
• Fabric Size: 12K x 12K|8K x 4K
• Switch Core: Non-Blocking|Blocking
• Port Speed: 2.048|4.096|8.192|16.384 Mbps
• Operating Supply Voltage: 1.8|3.3 V

2048
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
etc
etc
2029
2030
2031
2032
2033
2034
2035
2036
2037
2038
2039
Period
C16o
Table 4 - BCSTo Allocation of Channel Control Bits to the Output Streams
1
4
8
12
0
4
8
12
0
4
8
12
0
4
8
12
0
4
8
etc
etc
etc
12
0
4
8
12
0
4
8
12
0
BCSTo0
3-3
Allocated Stream No.
5
9
13
1
5
9
13
1
5
9
13
1
5
9
13
1
5
9
etc
etc
etc
13
1
5
9
13
1
5
9
13
1
BCSTo1
3-4
(32 Mb/s Mode) (continued)
Zarlink Semiconductor Inc.
6
10
14
2
6
10
14
2
6
10
14
2
6
10
14
2
6
10
etc
etc
etc
14
2
6
10
14
2
6
10
14
2
MT90870
BCSTo2 BCSTo3
38
7
11
15
3
7
11
15
3
7
11
15
3
7
11
15
3
7
11
etc
etc
etc
15
3
7
11
15
3
7
11
15
3
Ch 1
Ch 1
Ch 1
Ch 2
Ch 2
Ch 2
Ch 2
Ch 3
Ch 3
Ch 3
Ch 3
Ch 4
Ch 4
Ch 4
Ch 4
Ch 5
Ch 5
Ch 5
etc
etc
Ch 508
Ch 508
Ch 509
Ch 509
Ch 509
Ch 509
Ch 510
Ch 510
Ch 510
Ch 510
Ch 511
Channel No.
32 Mb/s
2
Frame
Boundary
Data Sheet