STA382BW datasheet(82/172 Pages) STMICROELECTRONICS

82 / 172 page

STA382BW

82/172

Doc ID 022783 Rev 1

Reading a coefficient from RAM

Write 6 bits of the address to I2C register 0x27.

Write 1 to the R1 bit in I2C address 0x37.

Read the top 8 bits of the coefficient in I2C address 0x28.

Read the middle 8 bits of the coefficient in I2C address 0x29.

Read the bottom 8 bits of the coefficient in I2C address 0x2A.

Reading a set of coefficients from RAM

Write 6 bits of the address to I2C register 0x27.

Write 1 to the RA bit in I2C address 0x37.

Read the top 8 bits of the coefficient in I2C address 0x28.

Read the middle 8 bits of the coefficient in I2C address 0x29.

Read the bottom 8 bits of the coefficient in I2C address 0x2A.

Read the top 8 bits of coefficient b2 in I2C address 0x2B.

Read the middle 8 bits of coefficient b2 in I2C address 0x2C.

Read the bottom 8 bits of coefficient b2 in I2C address 0x2D.

Read the top 8 bits of coefficient a1 in I2C address 0x2E.

10. Read the middle 8 bits of coefficient a1 in I2C address 0x2F.

11. Read the bottom 8 bits of coefficient a1 in I2C address 0x30.

12. Read the top 8 bits of coefficient a2 in I2C address 0x31.

13. Read the middle 8 bits of coefficient a2 in I2C address 0x32.

14. Read the bottom 8 bits of coefficient a2 in I2C address 0x33.

15. Read the top 8 bits of coefficient b0 in I2C address 0x34.

16. Read the middle 8 bits of coefficient b0 in I2C address 0x35.

17. Read the bottom 8 bits of coefficient b0 in I2C address 0x36.

Writing a single coefficient to RAM

Write 6 bits of the address to I2C register 0x27.

Write the top 8 bits of the coefficient in I2C address 0x28.

Write the middle 8 bits of the coefficient in I2C address 0x29.

Write the bottom 8 bits of the coefficient in I2C address 0x2A.

Write 1 to the W1 bit in I2C address 0x37.

STA382BW Datasheet(PDF) 82 Page - STMicroelectronics