STA323WTR View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

STA323WTR

2.1 HIGH EFFICIENCY DIGITAL AUDIO SYSTEM

STMicroelectronics 

Table 34. RAM Block for Biquads, Mixing, and Scaling

Index (Decimal)

0

1

2

3

4

5

…

19

20

21

…

39

40

41

42

43

44

45

46

47

48

49

50

51

52

53

54

55

56

57

58

59

60

61

62

63

Index (Hex)

00h

01h

02h

03h

04h

05h

…

13h

14h

15h

…

27h

28h

29h

2Ah

2Bh

2Ch

2Dh

2Eh

2Fh

30h

31h

32h

33h

34h

35h

36h

37h

38h

39h

3Ah

3Bh

3Ch

3Dh

3Eh

3Fh

Channel 1 – Biquad 1

Channel 1 – Biquad 2

…

Channel 1 – Biquad 4

Channel 2 – Biquad 1

…

Channel 2 – Biquad 4

High-Pass 2nd Order Filter

For XO = 000

Low-Pass 2nd Order Filter

For XO = 000

Channel 1 – Pre-Scale

Channel 2 – Pre-Scale

Channel 1 – Post-Scale

Channel 2 – Post-Scale

Channel 3 – Post-Scale

Thermal Warning – Post Scale

Channel 1 – Mix 1

Channel 1 – Mix 2

Channel 2 – Mix 1

Channel 2 – Mix 2

Channel 3 – Mix 1

Channel 3 – Mix 2

UNUSED

UNUSED

STA323W

Coefficient

C1H10 (b1/2)

C1H11 (b2)

C1H12 (a1/2)

C1H13 (a2)

C1H14 (b0/2)

C1H20

…

C1H44

C2H10

C2H11

…

C2H44

C12H0 (b1/2)

C12H1 (b2)

C12H2 (a1/2)

C12H3 (a2)

C12H4 (b0/2)

C12L0 (b1/2)

C12L1 (b2)

C12L2 (a1/2)

C12L3 (a2)

C12L4 (b0/2)

C1PreS

C2PreS

C1PstS

C2PstS

C3PstS

TWPstS

C1MX1

C1MX2

C2MX1

C2MX2

C3MX1

C3MX2

Default

000000h

000000h

000000h

000000h

400000h

000000h

…

400000h

000000h

000000h

…

400000h

000000h

000000h

000000h

000000h

400000h

000000h

000000h

000000h

000000h

400000h

7FFFFFh

7FFFFFh

7FFFFFh

7FFFFFh

7FFFFFh

5A9DF7h

7FFFFFh

000000h

000000h

7FFFFFh

400000h

400000h

37/41

Share Link: