SMJ320C80 Datasheet, PDF (30/157 Pages) Texas Instruments – DIGITAL SIGNAL PROCESSOR

SMJ320C80
DIGITAL SIGNAL PROCESSOR
SGUS025B – AUGUST 1998 – REVISED JUNE 2002
MP opcode formats
The three basic classes of MP instruction opcodes are: short immediate, three register, and long immediate.
Figure 21 shows the opcode structure for each class of instruction.
31
27 26
22 21
15 14
0
Short
Immediate
Dest
Source 2
Opcode
15-Bit Immediate
31
Three
Register
Dest
27 26
22 21 20 19
Source 2
11
Opcode
13 12 11
0
Options
54
0
Source 1
31
Long
Immediate
Dest
27 26
22 21 20 19
Source 2
11
Opcode
13 12 11
1
32-Bit Long Immediate
Options
54
0
Source 1
Figure 21. MP Opcode Formats
MP opcode summary
Table 4 through Table 6 show the opcode formats for the MP. Table 7 summarizes the master processor
instruction set.
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