mpc823rg Freescale Semiconductor, Inc, mpc823rg Datasheet - Page 498

• Manufacturer Part Number: mpc823rg
• Description: Mpc823 Powerquicc Integrated Communications Processor For Portable Systems
• Manufacturer: Freescale Semiconductor, Inc

Communication Processor Module
16.3.4.3 FIR3–COMPLEX C, COMPLEX X, AND REAL/COMPLEX Y. The FIR3 function
implements a basic FIR filter with k complex coefficients, complex input samples, and real
or complex output. The input data is in a circular buffer with size M+1 and the output data is
in a circular buffer with size N+1.
{COMPLEX}
X(N)
T
T
T
Figure 16-16. FIR2 Implementation Example
Freescale Semiconductor, Inc.
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{COMPLEX}
C(K-1)
C(0)
C(1)
C(2)
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{REAL OR COMPLEX}
OR
Y(N)
Y n
Y n
=
Real
=
p
k 1
p
k 1
–
=
–
=
0
0
C p X n p
C p X n p
–
–
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