AM79Q02JC datasheet(49/68 Pages) ETC1

49 / 68 page

SLAC Products

37, 38. Write/Read B1 Filter Coefficients

MPI Command

(86/87h)

R/W = 0: Write

R/W = 1: Read

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 Commands 43, 44 for programming of the B11 coefficients.

Power Up and Hardware Reset (RST) Values = 36 AB B8 22 93 AB 2B 6C 46 2C 63 B6 9F 60 (Hex)

(

)

See note under Commands 31 and 32.

RSVD

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

Command

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

HB z

() B2 z

–

… B9

•

–

•

B10 z

–

•

1B11 z

–

•

–

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

C1i 2

mli

–

•

1C2i 2

m2i

–

•

1C3i 2

m3i

–

•

()

[]

B11

C111 2

m111

–

•

1C211 2

m211

–

•

1C311 2

m311

–

1C411 2

m411

–

•

()

•

[]

{}

HB z )

0.254 z

–

•

–

0.891 z

–

0.656 z

–

0.090 z

–

0.013 z

–

•

–

•

–

•

–

0.017 z

–

•

(

0.014 z

–

•

0.013 z

–

0.016 z

–

•

1 0.97656 z

–

•

–

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

•

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