MT90866 View Datasheet(PDF) - Zarlink Semiconductor Inc

Part Name

Description

Manufacturer

MT90866

Flexible 4 K x 2.4 K Channel Digital Switch with H.110 Interface and 2.4 K x 2.4 K Local Switch

Zarlink Semiconductor Inc 

MT90866

Data Sheet

Data Rate

Source Stream

BSAB Bit Usage

BCAB Bit Usage

2 Mb/s

STi0-27

BSAB4-0

BCAB4-0 (32-ch/frame)

4 Mb/s

STi0-18

BSAB4-0

BCAB5-0 (64-ch/frame)

8 Mb/s

STi0-18

BSAB4-0

BCAB6-0 (128-ch/frame)

2-bit subrate

STi0-15

BSAB3-0

BCAB6-0 (128 ch/frame)

4-bit subrate

STi0-15

BSAB3-0

BCAB5 -0 (64 ch/frame)

Table 26 - BSAB and BCAB Bits Usage when Source Streams are from the Local Port

Data Rate

Source Stream

BSAB Bit Usage

BCAB Bit Usage

8 Mb/s

STio0-31

BSAB4-0

BCAB6-0 (128-ch/frame)

16 Mb/s

STio0-15

BSAB3-0

BCAB7-0 (256 ch/frame)

Table 27 - BSAB and BCAB Bits Usage when Source Streams are from the Backplane Port

15

14

13

12

11

10

9

8

7

6

5

4

3

2

0

0

0

0

0

0

0

0

0

0

0

0

0

0

1

LSRS1

0

LSRS0

Bit

15 - 2

1-0

Name

Unused

Reserved.

LSRS1 - LSRS0 Sub-rate Switching Bits:

Description

For the 4-bit wide sub-rate switching:

LSRS1 - 0

STo Output

01

Bit 7 - 4 of the 8 bit data

00

Bit 3 - 0 of the 8 bit data

For 2-bit wide sub-rate switching:

LSRS1 - 0

STo Output

11

Bit 7 - 6 of the 8 bit data

10

Bit 5 - 4 of the 8 bit data

01

Bit 3 - 2 of the 8 bit data

00

Bit 1 - 0 of the 8 bit data

Table 28 - Local Connection Memory High Bits

64

Zarlink Semiconductor Inc.

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