STA311B datasheet(65/102 Pages) STMICROELECTRONICS

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DocID024340 Rev 1

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STA311B

Registers

102

8.2.75

Coefficient b0 data register, bits 23:16 (0x49)

8.2.76

Coefficient b0 data register, bits 15:8 (0x4A)

8.2.77

Coefficient b0 data register, bits 7:0 (0x4B)

8.2.78

Coefficient write control register (0x4C)

Coefficients for EQ and Bass Management are handled internally in the STA311B 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. One contains a coefficient base

address, five sets of three store the values of the 24-bit coefficients to be written or that were

read, and one contains bits used to control the write of the coefficient(s) to RAM. The

following are instructions for reading and writing coefficients.

C5B23

C5B22

C5B21

C5B20

C5B19

C5B18

C5B17

C5B16

000

C5B15

C5B14

C5B13

C5B12

C5B11

C5B10

C5B9

C5B8

000

C5B7

C5B6

C5B5

C5B4

C5B3

C5B2

C5B1

C5B0

000

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