Datasheet

STA559BW Register description
Doc ID 18190 Rev 1 55/67
Reading a set of coefficients from RAM
1. Write 6-bits of address to I
2
C register 0x16.
2. Write 1 to RA bit in I
2
C address 0x26.
3. Read top 8-bits of coefficient in I
2
C address 0x17.
4. Read middle 8-bits of coefficient in I
2
C address 0x18.
5. Read bottom 8-bits of coefficient in I
2
C address 0x19.
6. Read top 8-bits of coefficient b2 in I
2
C address 0x1A.
7. Read middle 8-bits of coefficient b2 in I
2
C address 0x1B.
8. Read bottom 8-bits of coefficient b2 in I
2
C address 0x1C.
9. Read top 8-bits of coefficient a1 in I
2
C address 0x1D.
10. Read middle 8-bits of coefficient a1 in I
2
C address 0x1E.
11. Read bottom 8-bits of coefficient a1 in I
2
C address 0x1F.
12. Read top 8-bits of coefficient a2 in I
2
C address 0x20.
13. Read middle 8-bits of coefficient a2 in I
2
C address 0x21.
14. Read bottom 8-bits of coefficient a2 in I
2
C address 0x22.
15. Read top 8-bits of coefficient b0 in I
2
C address 0x23.
16. Read middle 8-bits of coefficient b0 in I
2
C address 0x24.
17. Read bottom 8-bits of coefficient b0 in I
2
C address 0x25.
Writing a single coefficient to RAM
1. Write 6-bits of address to I
2
C register 0x16.
2. Write top 8-bits of coefficient in I
2
C address 0x17.
3. Write middle 8-bits of coefficient in I
2
C address 0x18.
4. Write bottom 8-bits of coefficient in I
2
C address 0x19.
5. Write 1 to W1 bit in I
2
C address 0x26.