LE58QL022BVC datasheet(48/61 Pages) ZARLINK

48 / 61 page

Le58QL022

Data Sheet

Zarlink Semiconductor Inc.

86/87h Write/Read B1 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 Z-transform equation for the B filter is defined as:

Sample rate = 16 kHz

The coefficients for the FIR B section and the gain of the IIR B section are defined as:

For i = 2 to 10,

The feedback coefficient of the IIR B section is defined as

Refer to Command 96/97h for programming of the B11 coefficients.

Power Up and Hardware Reset (RST) Values = 09 00 90 09 00 90 09 00 90 09 00 90 09 00 (Hex)

See note under Command 80/81h on page 46.

RSVD

Reserved for future use. Always write as 0, but 0 is not guaranteed when read.

Command

1000011

R/W

I/O Input Data Byte 1

C32

m32

C22

m22

I/O Input Data Byte 2

C12

m12

C33

m33

I/O Input Data Byte 3

C23

m23

C13

m13

I/O Input Data Byte 4

C34

m34

C24

m24

I/O Input Data Byte 5

C14

m14

C35

m35

I/O Input Data Byte 6

C25

m25

C15

m15

I/O Input Data Byte 7

C36

m36

C26

m26

I/O Input Data Byte 8

C16

m16

C37

m37

I/O Input Data Byte 9

C27

m27

C17

m17

I/O Input Data Byte 10

C38

m38

C28

m28

I/O Input Data Byte 11

C18

m18

C39

m39

I/O Input Data Byte 12

C29

m29

C19

m19

I/O Input Data Byte 13

C310

m310

C210

m210

I/O Input Data Byte 14

C110

m110

RSVD

B z

()

–

… B

•

–

•

–

•

–

•

–

--------------------------------

C1i

mli

–

•

C2i

m2i

–

•

1C3i

m3i

–

•

()

[]

C111

m111

–

•

C211

m211

–

•

1C311

m311

–

C411

m411

–

•

()

•

[]

{}

B z )

(

LE58QL022BVC Datasheet(PDF) 48 Page - Zarlink Semiconductor Inc

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