Stereo System User Manual

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