参数资料
型号: AM79Q062JC
厂商: ADVANCED MICRO DEVICES INC
元件分类: 编解码器
英文描述: A/MU-LAW, PCM CODEC, PQCC32
封装: PLASTIC, LCC-32
文件页数: 57/95页
文件大小: 1399K
代理商: AM79Q062JC
60
Am79Q06/061/062/063 Data Sheet
47. Read Transmit PCM Data (PCM/MPI Mode Only)
MPI Command
(CDh)
RSVD
Reserved for future use. Always write as 0, but 0 is not guaranteed when read.
Upper Transmit Data
XDAT contains A-law or
-law transmit data in Companded mode.
XDAT contains upper data byte in Linear mode with sign in XDAT7.
Old Data Flag
OLD = 0
Transmit data byte contains new data.
OLD = 1
Transmit data byte contains old data.
This command will return the 2 byte GCI channel ID if GCI mode is selected.
48, 49. Write/Read FIR Z Filter Coefficients (FIR only)
MPI Command
(98/99h)
R/W = 0: Write
R/W = 1: Read
This command writes and reads only the FIR filter section without affecting the IIR.
The Z-transform equation for the Z filter is defined as:
Sample rate = 32 kHz
For i = 0 to 5 and 7
Power Up and Hardware Reset (RST) Values = 0190 0190 0190 0190 0190 0190 01 0190 (Hex)
(Hz(z) = 0)
D7
D6
D5
D4
D3
D2
D1
D0
Command
1
0
1
0
1
Output Data Byte 1
XDAT7
XDAT6
XDAT5
XDAT4
XDAT3
XDAT2
XDAT1
XDAT0
Output Data Byte 2
RSVD
OLD
D7
D6
D5
D4
D3
D2
D1
D0
Command
1
0
1
0
R/W
I/O Data Byte 1
C40
m40
C30
m30
I/O Data Byte 2
C20
m20
C10
m10
I/O Data Byte 3
C41
m41
C31
m31
I/O Data Byte 4
C21
m21
C11
m11
I/O Data Byte 5
C42
m42
C32
m32
I/O Data Byte 6
C22
m22
C12
m12
I/O Data Byte 7
C43
m43
C33
m33
I/O Data Byte 8
C23
m23
C13
m13
I/O Data Byte 9
C44
m44
C34
m34
I/O Data Byte 10
C24
m24
C14
m14
H
z z
() z
0
z
1
z
1
z
2
z
2
z
3
z
3
z
4
z
4
z
5
z
6
z
7
z
1
1z
7
z
1
---------------------------------------
+
++
=
z
i
C1i
2
m1i
1C2i
2
m2i
1C3i
2
m3i
1C4i
2
m4i
+
()
+
[]
+
{}
=
z
6
C16
2
m16
1C26
2
m26
+
{}
=
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