LE58QL061BVC Zarlink, LE58QL061BVC Datasheet - Page 56

• Manufacturer Part Number: LE58QL061BVC
• Description: QUAD, SLAC, PROG CODEC, 3.3V, GCI, 20 I/0, PQT44, LEAD FREE
• Manufacturer: Zarlink

8A/8Bh Write/Read R Filter Coefficients
Cxy = 0 or 1 in the command above corresponds to Cxy = +1 or −1, respectively, in the equation below.
The Z-transform equation for the IIR filter is defined as:
The coefficient for the IIR filter is defined as:
The Z-transform equation for the FIR filter is defined as:
For i = 0 to 5, the coefficients for the R2 filter are defined as:
Power Up and Hardware Reset (RST) Values = 2E01 0111 0190 0190 0190 0190 0190 (Hex)
See note under Command 80/81h on
Command
I/O Input Data Byte 1
I/O Input Data Byte 2
I/O Input Data Byte 3
I/O Input Data Byte 4
I/O Input Data Byte 5
I/O Input Data Byte 6
I/O Input Data Byte 7
I/O Input Data Byte 8
I/O Input Data Byte 9
I/O Input Data Byte 10
I/O Input Data Byte 11
I/O Input Data Byte 12
I/O Input Data Byte 13
I/O Input Data Byte 14
MPI Command
R/W = 0: Write
R/W = 1: Read
(H
H
HR
H
R
R
FIR
FIR
IIR
6
i
=
=
=
z ( )
(z) = 1, R
=
H
C16 2
C1i 2
IIR
----------------------------------- -
1
=
–
R
•
•
1 z


•
0
R
H
–
+
6
–
FIR
6
–
m1i
ml6
R
•
Sample rate = 8 kHz
Sample rate = 16 kHz
–
= 0.9902)
page
1
z
1
{
z
–
{
1
–
1
1


1
+
+
+
52.
C2i 2
C26 2
R
C46
C26
C40
C20
C41
C21
C42
C22
C43
C23
C44
C24
C45
C25
D
2
1
7
z
•
–
•
2
–
Zarlink Semiconductor Inc.
+
–
m2i
m26
R
3
D
[
0
z
1
6
[
–
1
3
+
+
+
C3i 2
C36 2
R
56
4
m46
m26
m40
m20
m41
m21
m42
m22
m43
m23
m44
m24
m45
m25
D
•
z
0
–
5
•
4
–
+
m3i
–
R
m36
(
5
1
z
D
(
0
–
+
4
1
5
C4i 2
+
C46 2
•
C36
C16
C30
C10
C31
C11
C32
C12
C33
C13
C34
C14
C35
C15
D
1
–
•
3
m4i
–
m46
)
]
}
)
D
]
0
}
2
m36
m16
m30
m10
m31
m11
m32
m12
m33
m13
m34
m14
m35
m15
D
1
1
R/W
D
0