AM79Q02JC datasheet(47/68 Pages) ETC1

47 / 68 page

SLAC Products

30. Read Revision Code Number (RCN)

MPI Command

(73h)

This command returns an 8-bit number (RCN) describing the revision number of the QSLAC

device. This command does not depend on the state of the Channel Enable Register.

31, 32. Write/Read GX Filter Coefficients

MPI Command

(80/81h)

R/W = 0: Write

R/W = 1: Read

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 Functions Register to switch between the default and programmed

values.

33, 34. Write/Read GR Filter Coefficients

MPI Command

(82/83h)

R/W = 0: Write

R/W = 1: Read

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 Commands 31 and 32.

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

HGX

1C10

(

m10

–

1C20 2

m20

–

1C30 2

m30

–

•

1C40 2

m40

–

•

()

[]

•

{}

•

HGR

C10 2

m10

–

1C20 2

m20

–

1C30 2

m30

–

•

1C40 2

m40

–

•

()

[]

•

{}

•

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