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S3C4530A Datasheet(PDF) 100 Page - Samsung semiconductor

Part No. S3C4530A
Description  16/32-bit RISC microcontroller is a cost-effective, high-performance microcontroller
Download  432 Pages
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Maker  SAMSUNG [Samsung semiconductor]
Homepage  http://www.samsung.com/Products/Semiconductor
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S3C4530A Datasheet(HTML) 100 Page - Samsung semiconductor

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INSTRUCTION SET
S3C4530A
3-58
UNDEFINED INSTRUCTION
The instruction is only executed if the condition is true. The various conditions are defined in Table 3-2. The
instruction format is shown in Figure 3-28.
31
27
Cond
28
25 24
011
xxxxxxxxxxxxxxxxxxxx
1
xxxx
5 4 3
0
Figure 3-28. Undefined Instruction
If the condition is true, the undefined instruction trap will be taken.
Note that the undefined instruction mechanism involves offering this instruction to any coprocessors which may
be present, and all coprocessors must refuse to accept it by driving CPA and CPB HIGH.
INSTRUCTION CYCLE TIMES
This instruction takes 2S + 1I + 1N cycles, where S, N and I are defined as sequential (S-cycle), non-sequential
(N-cycle), and internal (I-cycle).
ASSEMBLER SYNTAX
The assembler has no mnemonics for generating this instruction. If it is adopted in the future for some specified
use, suitable mnemonics will be added to the assembler. Until such time, this instruction must not be used.


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