C8051F50x-F51x
Table 11.1. CIP-51 Instruction Set Summary (Prefetch-Enabled) (Continued)
Mnemonic
Description
Bytes
Clock
Cycles
XRL A, #data
Exclusive-OR immediate to A
Exclusive-OR A to direct byte
Exclusive-OR immediate to direct byte
Clear A
Complement A
Rotate A left
Rotate A left through Carry
Rotate A right
Rotate A right through Carry
Swap nibbles of A
2
2
3
1
1
1
1
1
1
1
2
2
3
1
2
1
1
1
1
1
XRL direct, A
XRL direct, #data
CLR A
CPL A
RL A
RLC A
RR A
RRC A
SWAP A
Data Transfer
MOV A, Rn
MOV A, direct
MOV A, @Ri
MOV A, #data
MOV Rn, A
Move Register to A
Move direct byte to A
Move indirect RAM to A
Move immediate to A
1
2
1
2
1
2
2
2
2
3
2
3
1
2
2
3
1
1
1
1
1
1
2
2
1
2
1
1
1
2
2
2
1
2
2
2
2
3
2
3
2
2
2
3
4-7*
3
3
3
3
3
2
2
1
Move A to Register
MOV Rn, direct
MOV Rn, #data
MOV direct, A
MOV direct, Rn
MOV direct, direct
MOV direct, @Ri
MOV direct, #data
MOV @Ri, A
MOV @Ri, direct
MOV @Ri, #data
MOV DPTR, #data16
MOVC A, @A+DPTR
MOVC A, @A+PC
MOVX A, @Ri
MOVX @Ri, A
MOVX A, @DPTR
MOVX @DPTR, A
PUSH direct
Move direct byte to Register
Move immediate to Register
Move A to direct byte
Move Register to direct byte
Move direct byte to direct byte
Move indirect RAM to direct byte
Move immediate to direct byte
Move A to indirect RAM
Move direct byte to indirect RAM
Move immediate to indirect RAM
Load DPTR with 16-bit constant
Move code byte relative DPTR to A
Move code byte relative PC to A
Move external data (8-bit address) to A
Move A to external data (8-bit address)
Move external data (16-bit address) to A
Move A to external data (16-bit address)
Push direct byte onto stack
Pop direct byte from stack
POP direct
XCH A, Rn
XCH A, direct
XCH A, @Ri
Exchange Register with A
Exchange direct byte with A
Exchange indirect RAM with A
Exchange low nibble of indirect RAM with A
2
2
2
XCHD A, @Ri
Boolean Manipulation
CLR C
CLR bit
Clear Carry
Clear direct bit
1
2
1
2
Note: Certain instructions take a variable number of clock cycles to execute depending on instruction alignment and
the FLRT setting (SFR Definition 15.3).
90
Rev. 1.1
SILICON [ SILICON ]
