參數(shù)資料
型號(hào): AM79Q021JC
廠商: ADVANCED MICRO DEVICES INC
元件分類: 編解碼器
英文描述: PCM CODEC, PQCC44
封裝: PLASTIC, LCC-44
文件頁數(shù): 44/64頁
文件大小: 911K
代理商: AM79Q021JC
SLAC Products
49
37, 38. Write/Read B1 Filter Coefficients
MPI Command
(86/87h)
R/W = 0: Write
R/W = 1: Read
The Z-transform equation for the B filter is defined as:
Sample rate = 16 kHz
The coefficients for the FIR B section and the gain of the IIR B section are defined as:
For i = 2 to 10,
The feedback coefficient of the IIR B section is defined as:
Refer to Commands 43, 44 for programming of the B11 coefficients.
Power Up and Hardware Reset (RST) Values = 36 AB B8 22 93 AB 2B 6C 46 2C 63 B6 9F 60 (Hex)
(
)
See note under Commands 31 and 32.
RSVD
Reserved for future use. Always write as 0, but 0 is not guaranteed when read.
D7
D6
D5
D4
D3
D2
D1
D0
Command
1
0
1
R/W
I/O Input Data Byte 1
C32
m32
C22
m22
I/O Input Data Byte 2
C12
m12
C33
m33
I/O Input Data Byte 3
C23
m23
C13
m13
I/O Input Data Byte 4
C34
m34
C24
m24
I/O Input Data Byte 5
C14
m14
C35
m35
I/O Input Data Byte 6
C25
m25
C15
m15
I/O Input Data Byte 7
C36
m36
C26
m26
I/O Input Data Byte 8
C16
m16
C37
m37
I/O Input Data Byte 9
C27
m27
C17
m17
I/O Input Data Byte 10
C38
m38
C28
m28
I/O Input Data Byte 11
C18
m18
C39
m39
I/O Input Data Byte 12
C29
m29
C19
m19
I/O Input Data Byte 13
C310
m310
C210
m210
I/O Input Data Byte 14
C110
m110
RSVD
H
B z
() B
2
z
2
… B
9
++
z
9
B
10
z
10
1B
11
z
1
------------------------------
+
=
B
i
C1i
2
mli
1C2i
2
m2i
1C3i
2
m3i
+
()
+
[]
=
B
11
C111
2
m111
1C211
2
m211
1C311
2
m311
1C411
2
m411
+
()
+
[]
+
{}
=
H
B z )
0.254
z
2
0.891
z
3
0.656
z
4
0.090
z
5
0.013
z
6
+
0.017
z
7
+
=
(
0.014
z
8
0.013
z
9
0.016
z
10
10.97656
z
1
-----------------------------------------
+
++
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