Silicon Laboratories C8051F347 User Manual
Page 77

Rev. 1.3
77
C8051F340/1/2/3/4/5/6/7/8/9/A/B/C/D
Boolean Manipulation
CLR C
Clear Carry
1
1
CLR bit
Clear direct bit
2
2
SETB C
Set Carry
1
1
SETB bit
Set direct bit
2
2
CPL C
Complement Carry
1
1
CPL bit
Complement direct bit
2
2
ANL C, bit
AND direct bit to Carry
2
2
ANL C, /bit
AND complement of direct bit to Carry
2
2
ORL C, bit
OR direct bit to carry
2
2
ORL C, /bit
OR complement of direct bit to Carry
2
2
MOV C, bit
Move direct bit to Carry
2
2
MOV bit, C
Move Carry to direct bit
2
2
JC rel
Jump if Carry is set
2
2/4
JNC rel
Jump if Carry is not set
2
2/4
JB bit, rel
Jump if direct bit is set
3
3/5
JNB bit, rel
Jump if direct bit is not set
3
3/5
JBC bit, rel
Jump if direct bit is set and clear bit
3
3/5
Program Branching
ACALL addr11
Absolute subroutine call
2
4
LCALL addr16
Long subroutine call
3
5
RET
Return from subroutine
1
6
RETI
Return from interrupt
1
6
AJMP addr11
Absolute jump
2
4
LJMP addr16
Long jump
3
5
SJMP rel
Short jump (relative address)
2
4
JMP @A+DPTR
Jump indirect relative to DPTR
1
4
JZ rel
Jump if A equals zero
2
2/4
JNZ rel
Jump if A does not equal zero
2
2/4
CJNE A, direct, rel
Compare direct byte to A and jump if not equal
3
3/5
CJNE A, #data, rel
Compare immediate to A and jump if not equal
3
3/5
CJNE Rn, #data, rel
Compare immediate to Register and jump if not equal
3
3/5
CJNE @Ri, #data, rel
Compare immediate to indirect and jump if not equal
3
4/6
DJNZ Rn, rel
Decrement Register and jump if not zero
2
2/4
DJNZ direct, rel
Decrement direct byte and jump if not zero
3
3/5
NOP
No operation
1
1
Table 9.1. CIP-51 Instruction Set Summary (Continued)
Mnemonic
Description
Bytes
Clock
Cycles