mpc823rg Freescale Semiconductor, Inc, mpc823rg Datasheet - Page 503

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

16.3.4.4.2 FIR5 Function Descriptor. The FIR5 function descriptor bit table is described
below.
The first half-word is composed of the following bits:
S—STOP
OFFSET + A
OFFSET + C
OFFSET + E
OFFSET + 0
OFFSET + 2
OFFSET + 4
OFFSET + 6
OFFSET + 8
0 = Do not stop after executing this function descriptor.
1 = Stop after executing this function descriptor.
COEFFICIENTS
imag{C(k-1)}
real{C(k-1)}
imag{C(0)}
imag{C(1)}
real{C(0)}
real{C(1)}
2K bytes
0
S
*
*
Figure 16-19. FIR5 Coefficients and Sample Data Buffers
RES
1
W
2
Freescale Semiconductor, Inc.
For More Information On This Product,
3
I
INPUT SAMPLES
imag {x(n-k+1)}
real {x(n-k+1)}
imag {x(n-2)}
imag{x(n-1)}
M + 1 bytes
real{x(n-2)}
real{x(n-1)}
imag{x(n)}
real{x(n)}
MPC823 REFERENCE MANUAL
4
Z
*
*
*
Go to: www.freescale.com
IALL
5
6
INDEX
RESERVED
7
CBASE
XYPTR
M
K
N
I
REAL OUTPUT
PC
8
N + 1 bytes
Y(n-K+1)
Y(n-2)
Y(n-1)
(X=0)
Y(n)
*
*
*
*
*
*
9
RES
Communication Processor Module
10
11
COMPLEX OUTPUT
12
imag{Y(n-k+1)}
real{Y(n-k+1)}
imag{Y(n-2)}
imag{Y(n-1)}
OPCODE
real{Y(n-2)}
real{Y(n-1)}
N + 1 bytes
imag{Y(n)}
real{Y(n)}
(X=1)
13
*
*
*
*
14
16-51
15