LE58QL022BVC datasheet(46/61 Pages) ZARLINK

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Le58QL022

Data Sheet

Zarlink Semiconductor Inc.

73h Read Revision Code Number (RCN)

This command returns an 8-bit number (RCN) describing the revision number of the QLSLAC device. The revision code of

the QLSLAC device will be 14h or higher. This command does not depend on the state of the Channel Enable Register.

80/81h Write/Read GX Filter Coefficients

R/W = 0: Write

R/W = 1: Read

Cxy

= 0 or 1 in the command above corresponds to Cxy = +1 or −1, respectively, in the equation below.

The coefficient for the GX filter is defined as:

Power Up and Hardware Reset (RST) Values = A9F0 (Hex) (HGX = 1.995 (6 dB)).

Note:

The default value is contained in a ROM register separate from the programmable coefficient RAM. There is a filter enable bit in Operating Func-

tions Register to switch between the default and programmed values.

82/83h Write/Read GR Filter Coefficients

R/W = 0: Write

R/W = 1: Read

Cxy

= 0 or 1 in the command above corresponds to Cxy = +1 or −1, respectively, in the equation below.

The coefficient for the GR filter is defined as:

Power Up and Hardware Reset (RST) Values = 23A1 (Hex) (HGR = 0.35547 (–8.984 dB)).

See note under Command 80/81h, above.

Command

I/O Data

RCN7

RCN6

RCN5

RCN4

RCN3

RCN2

RCN1

RCN0

Command

R/W

I/O Data Byte 1

C40

m40

C30

m30

I/O Data Byte 2

C20

m20

C10

m10

Command:

R/W

I/O Data Byte 1

C40

m40

C30

m30

I/O Data Byte 2

C20

m20

C10

m10

1C10

(

m10

–

1C20

m20

–

1C30

m30

–

•

1C40

m40

–

•

()

[]

•

{}

•

C10

m10

–

1C20

m20

–

1C30

m30

–

•

1C40

m40

–

•

()

[]

•

{}

•

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