STA381BWSTR STMicroelectronics, STA381BWSTR Datasheet - Page 137

• Manufacturer Part Number: STA381BWSTR
• Description: Audio DSPs Sound Terminal 2.1 High EFF Dig Audio
• Manufacturer: STMicroelectronics

Specifications of STA381BWSTR

• Product Category: Audio DSPs
• Rohs: yes
• Operating Supply Voltage: 4.5 V to 25.5 V
• Operating Temperature Range: 0 C to + 150 C
• Mounting Style: SMD/SMT
• Package / Case: VQFN-48
• Snr: 100 dB

STA381BWS
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 the middle 8 bits of coefficient a1 in I
11. Read the bottom 8 bits of coefficient a1 in I
12. Read the top 8 bits of coefficient a2 in I
13. Read the middle 8 bits of coefficient a2 in I
14. Read the bottom 8 bits of coefficient a2 in I
15. Read the top 8 bits of coefficient b0 in I
16. Read the middle 8 bits of coefficient b0 in I
17. Read the bottom 8 bits of coefficient b0 in I
Writing a single coefficient to RAM
1.
2.
3.
4.
5.
Write 6 bits of the address to I
Write 1 to the R1 bit in I
Read the top 8 bits of the coefficient in I
Read the middle 8 bits of the coefficient in I
Read the bottom 8 bits of the coefficient in I
Write 6 bits of the address to I
Write 1 to the RA bit in I
Read the top 8 bits of the coefficient in I
Read the middle 8 bits of the coefficient in I
Read the bottom 8 bits of the coefficient in I
Read the top 8 bits of coefficient b2 in I
Read the middle 8 bits of coefficient b2 in I
Read the bottom 8 bits of coefficient b2 in I
Read the top 8 bits of coefficient a1 in I
Write 6 bits of the address to I
Write the top 8 bits of the coefficient in I
Write the middle 8 bits of the coefficient in I
Write the bottom 8 bits of the coefficient in I
Write 1 to the W1 bit in I
2
2
2
C address 0x26.
Doc ID 018937 Rev 6
C address 0x26.
C address 0x26.
2
2
2
C register 0x16.
C register 0x16.
C register 0x16.
Register description: Sound Terminal compatibility
2
2
2
2
2
2
2
C address 0x1A.
C address 0x1D.
C address 0x20.
C address 0x23.
C address 0x17.
C address 0x17.
C address 0x17.
2
2
2
2
2
2
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.
C address 0x18.
C address 0x18.
C address 0x18.
C address 0x19.
C address 0x19.
C address 0x19.
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