Was steht in der Hilfe zum Assembler im AVRStudio ?

Code:
CBI - Clear Bit in I/O Register
 
Description: 
Clears a specified bit in an I/O register. This instruction operates on the lower 32 I/O registers - addresses 0-31.

 

Operation:

I/O(A,b) <- 0

Syntax:            Operands:                         Program Counter:

CBI A, b           0 ≤ A ≤ 31, 0 ≤ b ≤ 7             PC ← PC + 1

16-bit Opcode:

1001  1000  AAAA  Abbb
 

Example:

cbi $12, 7                     ; Clear bit 7 in Port D

 

Words: 1 (2 bytes) 

Cycles: 2