Analog Devices ADSP-SC58 Series Hardware Reference Manual page 3398

Coefficient Buffer Index Register
The register contains the word address with the lower 2 bits removed.
IIR_COEFIDX
VALUE[29:16] (R/W)
Coefficient Buffer Index
Figure 52-8: IIR_COEFIDX Register Diagram
Table 52-9: IIR_COEFIDX Register Fields
Bit No.
(Access)
29:0 VALUE
(R/W)
ADSP-SC58x/ADSP-2158x SHARC+ Processor Hardware Reference
15
0
VALUE[15:0] (R/W)
Coefficient Buffer Index
31
0
Bit Name
Coefficient Buffer Index.
The IIR_COEFIDX.VALUE bit field provides the coefficient buffer index.
14 13 12 11 10 9 8 7
0 0 0 0 0 0 0 0
30 29 28 27 26 25 24 23
0 0 0 0 0 0 0 0
Description/Enumeration
ADSP-SC58x IIR Register Descriptions
6 5 4 3 2 1 0
0 0 0 0 0 0 0
22 21 20 19 18 17 16
0 0 0 0 0 0 0
52–17