dsp56000 Freescale Semiconductor, Inc, dsp56000 Datasheet - Page 98

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dsp56000

Manufacturer Part Number
dsp56000
Description
24-bit Digital Signal Processor Family Manual
Manufacturer
Freescale Semiconductor, Inc
Datasheet
6 - 4
23 16 15
47
23
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*
*
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Figure 6-1 DSP56K Central Processing Module Programming Model
REGISTERS
POINTER
X1
R7
R6
R5
R4
R3
R2
R1
R0
23 16 15
23 16 15
31
23
23
*
*
LOOP ADDRESS
REGISTER (LA)
COUNTER (PC)
0
0 23
X
PROGRAM
#
#
Freescale Semiconductor, Inc.
SSH
INSTRUCTION SET INTRODUCTION
For More Information On This Product,
8 7
8 7
23 16 15
55
55
X0
*
*
*
*
*
*
*
*
SYSTEM STACK
INSTRUCTION FORMATS
B2
A2
REGISTERS
ADDRESS GENERATION UNIT
Go to: www.freescale.com
PROGRAM CONTROL UNIT
16 15
DATA ARITHMETIC LOGIC UNIT
0
0
ACCUMULATOR REGISTERS
OFFSET
0
0
23 16 15
23 16 15
23
LOOP COUNTER (LC)
23
*
*
N7
N6
N5
N4
N3
N2
N1
N0
INPUT REGISTERS
REGISTER (SR)
0
0
MR
STATUS
SSL
B
B1
A
A1
8 7
0
CCR
47
23
0
0
0
0
0
15
1
23 16 15
*
# READ AS SIGN EXTENSION BITS,
23
23
*
*
*
*
*
*
*
*
WRITTEN AS DON’T CARE
WITH ZERO FOR FUTURE COMPATIBILITY
READ AS ZERO, SHOULD BE WRITTEN
Y1
REGISTERS
23
MODIFIER
OPERATING MODE REGISTER (OMR)
23
B0
*
A0
*
M7
M6
M5
M4
M3
M2
M1
M0
6 5
STACK POINTER (SP)
8 7
*
0 23
Y
SD
6
0
0
0
0
0
*
5
MC
4
Y0
YD
UPPER FILE
LOWER FILE
3
MOTOROLA
DE MB
2
1
MA
0
0
0
0

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