MOTOROLA
DSP96002 USER’S MANUAL
B-23
fmpy d5,d9,d0 fsub.s d1,d2 y:(r1)-n1,d8.s 1 1
fmpy d6,d8,d1 fadd.s d0,d3 y:(r5)-n5,d9.s 1 1
fmpy.s d6,d9,d0 d3.s,x:(r4) y:(r2),d4.s 1 1
fmpy.s d4,d8,d3 d2.s,y:(r4)+n4 1 1
fmpy d4,d9,d2 fsub.s d0,d3 y:(r1)-n1,d8.s 1 1
fadd.s d2,d1 y:(r5)-n5,d9.s 1 1
move d1.s,x:(r4) d3.s,y: 1 1
_end_bfy
move #coef,r5 ;point at wi0 2 2
move #coef+table/4,r1 ;point at wr0 2 2
move #0,r3 ;reset group index counter 1 1
_end_grp
move n0,d0.l ;get butterflies per group 1 1
lsr d0.l ; 1 1
lsr d0.l n2,d1.l ;divide butterflies/group by 4 1 1
lsl d1.l d0.l,n0 ;multiply groups/pass by 4 1 1
lsl d1.l n3,d0.l ;get w rotation factor 1 1
lsl d0.l d1.l,n2 ;multiply rotation factor by 4 1 1
lsl d0.l n0,n4 ; 1 1
move d0.l,n3 ; 1 1
move n0,d1.l ;check for 1 butterfly per group 1 1
lsr d1.l ; 1 1
jne skip ; 1 2
move #0,n3 ;reset rotation factor - last pass 1 1
skip nop ; 1 1
_end_pass ; --- ---
endm ; 78 82
The speed for 1024 points using a 75ns instruction cycle is 2.72ms, assuming internal program and internal
data memory.
B.1.16
LMS ADAPTIVE FILTER
z
-1
z
-1
z
-1
∑
∑
+
-
f(n)
e(n)
x(n)
x(0)
x(n-1)
x(n-2)
x(n-3)
h0
h1
h2
h3
d(n)
Summary of Contents for DSP96002
Page 3: ...1 2 DSP96002 USER S MANUAL MOTOROLA ...
Page 38: ...MOTOROLA DSP96002 USER S MANUAL 3 15 Figure 3 4 Modulo Arithmetic Unit Block Diagram ...
Page 39: ...3 16 DSP96002 USER S MANUAL MOTOROLA ...
Page 53: ...4 14 DSP96002 USER S MANUAL MOTOROLA ...
Page 76: ...MOTOROLA DSP96002 USER S MANUAL 5 23 Figure 5 8 Address Modifier Summary ...
Page 86: ...6 10 DSP96002 USER S MANUAL MOTOROLA ...
Page 101: ...MOTOROLA DSP96002 USER S MANUAL 7 15 Figure 7 9 HI Block Diagram One Port ...
Page 140: ...7 54 DSP96002 USER S MANUAL MOTOROLA ...
Page 166: ...9 10 DSP96002 USER S MANUAL MOTOROLA ...
Page 181: ...MOTOROLA DSP96002 USER S MANUAL 10 15 Figure 10 8 Program Address Bus FIFO ...
Page 337: ...MOTOROLA DSP96002 USER S MANUAL A 149 ...
Page 404: ...A 216 DSP96002 USER S MANUAL MOTOROLA PC xxxx D ...
Page 460: ...A 272 DSP96002 USER S MANUAL MOTOROLA SIOP Not affected ...
Page 484: ...A 296 DSP96002 USER S MANUAL MOTOROLA SSH PC SSL SR SP 1 SP ...
Page 519: ...MOTOROLA DSP96002 USER S MANUAL A 331 ...
Page 718: ...MOTOROLA DSP96002 USER S MANUAL B 199 ...
Page 871: ... MOTOROLA INC 1994 MOTOROLA TECHNICAL DATA SEMICONDUCTOR M Addendum ...
Page 888: ...MOTOROLA INDEX 1 INDEX ...
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