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8051/8052 Instruction: CLR

Function:Clear Register
Syntax:CLR register

CLR bit addr0xC221None
CLR C0xC311C
CLR A0xE411None

Description: CLR clears (sets to 0) all the bit(s) of the indicated register. If the register is a bit (including the carry bit), only the specified bit is affected. Clearing the Accumulator sets the Accumulator’s value to 0.

See Also: SETB, Instruction Set