参数资料
型号: AM79Q021VC
厂商: ADVANCED MICRO DEVICES INC
元件分类: 编解码器
英文描述: PCM CODEC, PQFP44
封装: TQFP-44
文件页数: 46/64页
文件大小: 911K
代理商: AM79Q021VC
50
Am79Q02/021/031 Data Sheet
39, 40. Write/Read X Filter Coefficients
MPI Command
(88/89h)
R/W = 0: Write
R/W = 1: Read
The Z-transform equation for the X filter is defined as:
Sample rate = 16 kHz
For i = 0 to 5, the coefficients for the X filter are defined as:
Power Up and Hardware Reset (RST) Values = 0111 0190 0190 0190 0190 0190 (Hex)
(Hx(z) = 1)
See note under Commands 31 and 32.
D7
D6
D5
D4
D3
D2
D1
D0
Command
1
0
1
0
R/W
I/O Input Data Byte 1
C40
m40
C30
m30
I/O Input Data Byte 2
C20
m20
C10
m10
I/O Input Data Byte 3
C41
m41
C31
m31
I/O Input Data Byte 4
C21
m21
C11
m11
I/O Input Data Byte 5
C42
m42
C32
m32
I/O Input Data Byte 6
C22
m22
C12
m12
I/O Input Data Byte 7
C43
m43
C33
m33
I/O Input Data Byte 8
C23
m23
C13
m13
I/O Input Data Byte 9
C44
m44
C34
m34
I/O Input Data Byte 10
C24
m24
C14
m14
I/O Input Data Byte 11
C45
m45
C35
m35
I/O Input Data Byte 12
C25
m25
C15
m15
H
x z
() x
0
x
1z
1
x
2z
2
x
3z
3
x
4z
4
x
5z
5
+++++
=
Xi
C1i
2
m1i
1C2i
2
m2i
1C3i
2
m3i
1C4i
2
m4i
+
()
+
[]
+
{}
=
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