Analog Devices SHARC ADSP-214 Series Hardware Reference Manual page 916

Peripheral Registers
IIR Channel Control Register (IIRCTL2)
The register, shown in
IIRCTL2
is used to configure the channel specific parameters. These include num-
ber of biquads and window size.
31 30
15
IIR_WINDOW (23–14)
Window Size
Figure A-41. IIRCTL2 Register
Table A-53. IIRCTL2 Register Bit Descriptions (RW)
Bits Name
3–0 IIR_NBIQUADS
13–4 Reserved
23–14 IIR_WINDOW
31–24 Reserved
A-90
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Figure A-41
29 28 27 26 25 24 23 22
14 13 12 11 10 9 8 7
Description
Number of Biquads. Programmable between 0–11. Number
of Biquads = BIQUADS + 1
Window Size Parameter. Programmable between 0–1023.
Window Size = WINDOW+ 1
ADSP-214xx SHARC Processor Hardware Reference
and described in
21 20 19 18 17 16
IIR_WINDOW (23–14)
Window Size
6 5 4 3 2 1 0
IIR_NBIQUADS (3–0)
Number of Biquads
Table A-53,