CDB5376 Cirrus Logic Inc, CDB5376 Datasheet - Page 44

• Manufacturer Part Number: CDB5376
• Description: EVALUATION BOARD FOR CS5376
• Manufacturer: Cirrus Logic Inc

Specifications of CDB5376

• Main Purpose: Seismic Evaluation System
• Embedded: Yes, MCU, 8-Bit
• Utilized Ic / Part: CS3301A, CS3302A, CS4373A, CS5372A, CS5376A
• Primary Attributes: Quad Digital Filter
• Secondary Attributes: Graphical User Interface, SPI™ & USB Interfaces
• Processor To Be Evaluated: CS330x, CS4373A, CS537x
• Interface Type: USB
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Contains lead / RoHS non-compliant
• Other names: 598-1778

DS612F4
SINC filters
FIR2
Output
Word
Rate
4000
2000
1000
500
333
250
200
125
100
50
40
25
20
10
5
1
SINC1 – Single stage, fixed decimate by 8
SINC2 – Multi-stage, variable decimation
SINC3 – Multi-stage, variable decimation
DEC Bit
Setting
5
Stage 1: 4
Stage 2: 4
Stage 3: 5
Stage 4: 6
Stage 1: 4
Stage 2: 4
Stage 3: 4
Stage 4: 5
Stage 5: 6
Stage 6: 6
0111
0110
0101
0100
0011
0010
0001
0000
1111
1110
1101
1100
1011
1010
1001
1000
th
order decimate by 8, 36 coefficients
SINC1
Deci-
mation
th
th
th
th
th
th
th
th
th
th
Figure 24. SINC Filter Stages
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
order decimate by 2, 5 coefficients
order decimate by 2, 5 coefficients
order decimate by 2, 6 coefficients
order decimate by 2, 7 coefficients
order decimate by 5, 17 coefficients
order decimate by 5, 17 coefficients
order decimate by 5, 17 coefficients
order decimate by 2,
order decimate by 2,
order decimate by 3, 13 coefficients
Table 9. SINC Filter Configurations
SINC2
Deci-
mation
16
16
16
16
16
16
2
4
8
8
2
4
8
2
4
8
SINC2
Stages
1,2,3,4
1,2,3,4
1,2,3,4
1,2,3,4
1,2,3,4
1,2,3,4
2,3,4
2,3,4
2,3,4
2,3,4
3,4
3,4
3,4
4
4
4
6 coefficients
7 coefficients
SINC3
Deci-
mation
100
100
100
100
500
20
20
20
20
-
-
-
-
3
2
4
SINC3
Stages
1,2,3,4,5
2,3,4,5
2,3,4,5
2,3,4,5
2,3,4,5
3,4,5
3,4,5
3,4,5
3,4,5
4,5
CS5376A
-
-
-
-
6
5
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