STA328 datasheet(50/57 Pages) STMICROELECTRONICS

50 / 57 page

User programmable processing

STA328

50/57

7.7

Reading a coefficient from RAM

write 8 bits of address to I2C register 0x16

write 1 to bit R1 (D2) of I2C register 0x26

read top 8 bits of coefficient in I2C address 0x17

read middle 8 bits of coefficient in I2C address 0x18

read bottom 8 bits of coefficient in I2C address 0x19

7.8

Reading a set of coefficients from RAM

write 8 bits of address to I2C register 0x16

write 1 to bit RA (D3) of I2C register 0x26

read top 8 bits of coefficient in I2C address 0x17

read middle 8 bits of coefficient in I2C address 0x18

read bottom 8 bits of coefficient in I2C address 0x19

read top 8 bits of coefficient b2 in I2C address 0x1A

read middle 8 bits of coefficient b2 in I2C address 0x1B

read bottom 8 bits of coefficient b2 in I2C address 0x1C

read top 8 bits of coefficient a1 in I2C address 0x1D

read middle 8 bits of coefficient a1 in I2C address 0x1E

read bottom 8 bits of coefficient a1 in I2C address 0x1F

read top 8 bits of coefficient a2 in I2C address 0x20

read middle 8 bits of coefficient a2 in I2C address 0x21

read bottom 8 bits of coefficient a2 in I2C address 0x22

read top 8 bits of coefficient b0 in I2C address 0x23

read middle 8 bits of coefficient b0 in I2C address 0x24

read bottom 8 bits of coefficient b0 in I2C address 0x25

7.9

Writing a single coefficient to RAM

write 8 bits of address to I2C register 0x16

write top 8 bits of coefficient in I2C address 0x17

write middle 8 bits of coefficient in I2C address 0x18

write bottom 8 bits of coefficient in I2C address 0x19

write 1 to W1 bit in I2C address 0x26

STA328 Datasheet(PDF) 50 Page - STMicroelectronics