STA323W datasheet(67/77 Pages) STMICROELECTRONICS

67 / 77 page

STA323W

User-programmable settings

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8.6.13

Coefficient a2 data register bits 7:0 (address 0x22)

8.6.14

Coefficient b0 data register bits 23:16 (address 0x23)

8.6.15

Coefficient b0 data register bits 15:8 (address 0x24)

8.6.16

Coefficient b0 data register bits 7:0 (address 0x25)

8.6.17

Coefficient write control register (address 0x26)

Coefficients for EQ, Mix and Scaling are handled internally in the STA323W via RAM.

Access to this RAM is available to the user via an I2C register interface. A collection of I2C

registers are dedicated to this function. The first register contains base address of the

coefficient: five sets of three registers store the values of the 24-bit coefficients to be written

or that were read, and one contains bits used to control the reading or writing of the

coefficients to RAM. The following are instructions for reading and writing coefficients.

C4B7

C4B6

C4B5

C4B4

C4B3

C4B2

C4B1

C4B0

000

C5B23

C5B22

C5B21

C5B20

C5B19

C5B18

C5B17

C5B16

00000

C5B15

C5B14

C5B13

C5B12

C5B11

C5B10

C5B9

C5B8

000

00000

C5B7

C5B6

C5B5

C5B4

C5B3

C5B2

C5B1

C5B0

000

Reserved

000

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