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S3C4530A Datasheet(Fiches technique) 69 Page - Samsung semiconductor

Numéro de pièce S3C4530A
Description  16/32-bit RISC microcontroller is a cost-effective, high-performance microcontroller
Télécharger  432 Pages
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Fabricant  SAMSUNG [Samsung semiconductor]
Site Internet  http://www.samsung.com/Products/Semiconductor
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 69 page
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S3C4530A
INSTRUCTION SET
3-27
ASSEMBLER SYNTAX
Table 3-5. Assembler Syntax Descriptions
Mnemonic
Description
Purpose
UMULL{cond}{S} RdLo, RdHi, Rm, Rs
Unsigned multiply long
32 x 32 = 64
UMLAL{cond}{S} RdLo, RdHi, Rm, Rs
Unsigned multiply & Accumulate long
32 x 32 + 64 = 64
SMULL{cond}{S} RdLo, RdHi, Rm, Rs
Signed multiply long
32 x 32 = 64
SMLAL{cond}{S} RdLo, RdHi, Rm, Rs
Signed multiply & Accumulate long
32 x 32 + 64 = 64
where:
{
cond}
Two-character condition mnemonic. See Table 3-2.
{
S}
Set condition codes if S present
RdLo, RdHi, Rm, Rs
Expressions evaluating to a register number other than R15.
Examples
UMULL
R1, R4, R2, R3
; R4, R1: = R2 * R3
UMLALS
R1, R5, R2, R3
; R5, R1: = R2 * R3 + R5, R1 also setting condition codes




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