Motorola MPC823e Reference Manual page 505

COEFFICIENTS
imag{C(0)}
real{C(0)}
imag{C(1)}
real{C(1)}
*
*
imag{C(k-1)}
real{C(k-1)}
2K bytes
Figure 16-19. FIR5 Coefficients and Sample Data Buffers
16.3.4.4.2 FIR5 Function Descriptor. The FIR5 function descriptor bit table is described
below.
0 1 2
S RES W
OFFSET + 0
OFFSET + 2
OFFSET + 4
OFFSET + 6
OFFSET + 8
OFFSET + A
OFFSET + C
OFFSET + E
The first half-word is composed of the following bits:
S—STOP
0 = Do not stop after executing this function descriptor.
1 = Stop after executing this function descriptor.
MOTOROLA
INPUT SAMPLES
*
*
imag {x(n-k+1)}
real {x(n-k+1)}
*
imag {x(n-2)}
real{x(n-2)}
imag{x(n-1)}
real{x(n-1)}
imag{x(n)}
real{x(n)}
M + 1 bytes
3 4 5 6 7
I Z IALL INDEX
CBASE
XYPTR
RESERVED
MPC823e REFERENCE MANUAL
Communication Processor Module
REAL OUTPUT
(X=0)
*
*
*
*
Y(n-K+1)
*
*
Y(n-2)
Y(n-1)
Y(n)
N + 1 bytes
8 9 10 11
PC RES
I
K
M
N
COMPLEX OUTPUT
(X=1)
*
*
imag{Y(n-k+1)}
real{Y(n-k+1)}
*
*
imag{Y(n-2)}
real{Y(n-2)}
imag{Y(n-1)}
real{Y(n-1)}
imag{Y(n)}
real{Y(n)}
N + 1 bytes
12 13 14 15
OPCODE
16-51