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PM0223 Datasheet(PDF) 56 Page - STMicroelectronics

No. de pieza PM0223
Descripción Electrónicos  This programming manual provides information for application and system-level software developers
PDF  110 Pages
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

PM0223 Datasheet(HTML) 56 Page - STMicroelectronics

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The STM32L0 Cortex-M0+ Instruction Set
PM0223
56/110
DocID025763 Rev 1
3.5.2
AND, ORR, EOR, and BIC
Logical AND, OR, Exclusive OR, and Bit Clear.
Syntax
ANDS {Rd,} Rn, Rm
ORRS {Rd,} Rn, Rm
EORS {Rd,} Rn, Rm
BICS {Rd,} Rn, Rm
where:
Operation
The AND, EOR, and ORR instructions perform bitwise AND, exclusive OR, and inclusive
OR operations on the values in Rn and Rm.
The BIC instruction performs an AND operation on the bits in Rn with the logical negation of
the corresponding bits in the value of Rm.
The condition code flags are updated on the result of the operation, see Condition flags on
page 47.
Restrictions
In these instructions, Rd, Rn, and Rm must only specify R0-R7.
Condition flags
These instructions:
Update the N and Z flags according to the result.
Do not affect the C or V flag.
Examples
ANDS
R2, R2, R1
ORRS
R2, R2, R5
ANDS
R5, R5, R8
EORS
R7, R7, R6
BICS
R0, R0, R1
Rd
Is the destination register.
Rn
Is the register holding the first operand and is the same as the destination
register.
Rm
Second register



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