sta381bw STMicroelectronics, sta381bw Datasheet - Page 136
sta381bw
Manufacturer Part Number
sta381bw
Description
Sound Terminal 2.1-channel High-efficiency Digital Audio System
Manufacturer
STMicroelectronics
Datasheet
1.STA381BW.pdf
(168 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
STA381BW
Manufacturer:
ST
Quantity:
20 000
Part Number:
sta381bwS
Manufacturer:
ST
Quantity:
20 000
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Register description: Sound Terminal compatibility
136/168
Reading a coefficient from RAM
1.
2.
3.
4.
5.
Reading a set of coefficients from RAM
1.
2.
3.
4.
5.
6.
7.
8.
9.
10. Read middle 8 bits of coefficient a1 in I
11. Read bottom 8 bits of coefficient a1 in I
12. Read top 8 bits of coefficient a2 in I
13. Read middle 8 bits of coefficient a2 in I
14. Read bottom 8 bits of coefficient a2 in I
15. Read top 8 bits of coefficient b0 in I
16. Read middle 8 bits of coefficient b0 in I
17. Read bottom 8 bits of coefficient b0 in I
Writing a single coefficient to RAM
1.
2.
3.
4.
5.
Write 6 bits of address to I
Write 1 to R1 bit in I
Read top 8 bits of coefficient in I
Read middle 8 bits of coefficient in I
Read bottom 8 bits of coefficient in I
Write 6 bits of address to I
Write 1 to RA bit in I
Read top 8 bits of coefficient in I
Read middle 8 bits of coefficient in I
Read bottom 8 bits of coefficient in I
Read top 8 bits of coefficient b2 in I
Read middle 8 bits of coefficient b2 in I
Read bottom 8 bits of coefficient b2 in I
Read top 8 bits of coefficient a1 in I
Write 6 bits of address to I
Write top 8 bits of coefficient in I
Write middle 8 bits of coefficient in I
Write bottom 8 bits of coefficient in I
Write 1 to W1 bit in I
2
2
2
C address 0x26.
C address 0x26.
C address 0x26.
Doc ID 018835 Rev 2
2
2
2
C register 0x16.
C register 0x16.
C register 0x16.
2
2
2
C address 0x17.
C address 0x17.
C address 0x17.
2
2
2
2
2
2
2
2
2
2
C address 0x1A.
C address 0x1D.
C address 0x20.
C address 0x23.
C address 0x18.
C address 0x18.
C address 0x18.
C address 0x19.
C address 0x19.
C address 0x19.
2
2
2
2
2
2
2
2
C address 0x1B.
C address 0x1E.
C address 0x21.
C address 0x24.
C address 0x1C.
C address 0x1F.
C address 0x22.
C address 0x25.
STA381BW
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