MOTOROLA DSP96002 USER’S MANUAL B-121

B.1.50 Cascaded Five Coefficient Biquad Filter

Filter Section:
Program ICycles
Words
nsec equ 3
org x:0
states ds 2*nsec
org y:0
coef
dc -.68461698E+00 ;/* section 1 A2 */
dc .16526726E+01 ;/* section 1 A1 */
dc .83384343E-02 ;/* section 1 B2 */
dc .16676869E-01 ;/* section 1 B1 */
dc .83384343E-02 ;/* section 1 B0 */
dc -.75893794E+00 ;/* section 2 A2 */
dc .17255842E+01 ;/* section 2 A1 */
dc .90060414E-02 ;/* section 2 B2 */
dc .18012083E-01 ;/* section 2 B1 */
dc .90060414E-02 ;/* section 2 B0 */
dc -.90446499E+00 ;/* section 3 A2 */
dc .18683517E+01 ;/* section 3 A1 */
dc .25061846E+00 ;/* section 3 B2 */
dc .50123692E+00 ;/* section 3 B1 */
dc .25061846E+00 ;/* section 3 B0 */
;
; input in d2
;
move #states,r0
Z-1
Z-1
∑∑
∑∑
∑∑
a1
a2
b0
b1
b2