mpc823rg Freescale Semiconductor, Inc, mpc823rg Datasheet - Page 516

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mpc823rg

Manufacturer Part Number
mpc823rg
Description
Mpc823 Powerquicc Integrated Communications Processor For Portable Systems
Manufacturer
Freescale Semiconductor, Inc
Datasheet
Communication Processor Module
The first half-word is composed of the following bits:
S—STOP
Bits 1, 4–10—Reserved
These bits are reserved and must be set to 0.
W—Wrap (Final Function Descriptor in Table)
I—Interrupt
OPCODE—Function Operation Code
This field specifies the function to be executed. Table 16-6 contains the value for this field.
16.3.4.8.3 DEMOD Parameter Packet. The DEMOD parameter packet is composed of
seven 16-bit half-words and is described in the table below.
Half-word 1
Half-word 2
Half-word 3
Half-word 4
Half-word 5
Half-word 6
Half-word 7
ADDRESS
0 = Do not stop after executing this function descriptor.
1 = Stop after executing this function descriptor.
0 = This is not the last function descriptor in the function descriptor table.
1 = This is the last function descriptor in the function descriptor table. After this buffer
0 = No interrupt is generated after this function is processed.
1 = A maskable interrupt is generated after this function is processed.
has been used, the CPM processes the first function descriptor that the FDBASE
index pointer points to in the table. The number of function descriptors in this table
are programmable and determined only by the W bit and overall space constraints
of the memory.
XYPTR
NAME
DPTR
RES
M
K
N
I
Freescale Semiconductor, Inc.
Table 16-15. DEMOD Parameter Packet
For More Information On This Product,
Number of Iterations
Modulation Table Size-1. The minimum modulation table size is 8 (2 sin/cos pairs).
Pointer to Modulation Table Pointer and AGC constant
Samples Buffer Size-1. The minimum sample buffer size is 8 (2 samples).
Pointer to a structure composed of the input sample data pointer and the output
buffer pointer
Output Buffer Size-1. The minimum output buffer size is 8 (2 outputs).
Reserved
MPC823 REFERENCE MANUAL
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DESCRIPTION
MOTOROLA

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