ZL50031 datasheet(53/74 Pages) ZARLINK

Part #	ZL50031

Description	Flexible 4 K x 2 K Channel Digital Switch with H.110 Interface and 2 K x 2 K Local Switch

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Manufacturer	ZARLINK [Zarlink Semiconductor Inc]

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ZL50031

Data Sheet

53

Zarlink Semiconductor Inc.

Bit

Name

Description

15 -13

LTM2 - 0

Throughput Delay and Message Channel Control Bits: These three bits control the

local ST-BUS output.

12 - 8

LSAB4 -

LSAB0

Source Stream Address Bits: These five bits refer to the number of the data stream for

the source (local or backplane) connection.

7 - 0

(See

Note 1)

LCAB7 -

LCAB0

Source Channel Address Bits: These eight bits refer to the number of the channel that

is the source (local or backplane) connection.

Note 1: Only Bits 7-0 will be used for per-channel message mode for the local LSTo streams.

Table 27 - Local Connection Memory Bits

15

14

13

12

11

10

9876

5432

10

LTM

2

LTM

1

LTM

0

LSAB

4

LSAB

3

LSAB

2

LSAB

1

LSAB

0

LCAB

7

LCAB

6

LCAB

5

LCAB

4

LCAB

3

LCAB

2

LCAB

1

LCAB

0

LTM2-0

Throughput Delay and Message Mode Control

000

Per-channel variable delay from local interface; the content of the connection

memory is the local data memory address of the switched input channel and stream.

The local ST-BUS output is from local ST-BUS input.

001

Per-channel constant delay from local interface; the content of the connection

memory is the local data memory address of the switched input channel and stream.

The local ST-BUS output is from local ST-BUS input.

010

Per-channel variable delay from backplane interface; the content of the connection

memory is the backplane data memory address of the switched input channel and

stream. The local ST-BUS output is from the backplane CT-Bus input.

011

Per-channel constant delay from the backplane interface; the content of the

connection memory is the backplane data memory address of the switched input

channel and stream. The local ST-BUS output is from backplane CT-Bus input.

100

Per-channel message mode; only the lower byte (bits 7 to 0) of the connection

memory location will be presented to the local ST-BUS output channel.

101

Per-channel BER pattern; the pseudo random BER test pattern will be presented to

the local ST-BUS output channel.

110

Per-channel high impedance. The local ST-BUS output is high-impedance.

111

Reserved

.

Input Source

Var.

delay

Const.

delay

Msg

Mode

BER

Per

Channel

(HiZ)

Local

Backplane

00

0

x

00

1

x

01

0

x

01

1

x

10

0

x

10

1

x

11

0

x

11

1

Reserved

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