Manual

45
AT86RF401
1424D–RKE–09/02
CLR Rd Clear Register Rd ← Rd ⊕ Rd Z,N,V 1
SER Rd Set Register Rd ← $FF None 1
Branch Instructions
RJMP k Relative Jump PC ← PC+k+1 None 1
IJMP Indirect Jump to (Z) PC ← Z None 2
JMP k Direct Jump PC ← k None 2
RCALL k Relative Subroutine Call PC ← PC+k+1 None 3
ICALL Indirect Call to (Z) PC ← Z None 3
CALL k Direct Subroutine Call PC ← k None 3
RET Subroutine Return PC ← STACK None 4
RETI Interrupt Return PC ← STACK I 4
CPSE Rd,Rr Compare, Skip if Equal if (Rd = Rr) PC ← PC + 2 or 3 None 1/2/3
CP Rd,Rr Compare Rd − Rr Z, N,V,C,H 1
CPC Rd,Rr Compare with Carry Rd − Rr − C Z, N,V,C,H 1
CPI Rd,K Compare Register with Immediate Rd − K Z, N,V,C,H 1
SBRC Rr, b Skip if Bit in Register Cleared If (Rr(b)=0) PC ← PC + 2 or 3 None 1/2/3
SBRS Rr, b Skip if Bit in Register Set If (Rr(b)=1) PC ← PC + 2 or 3 None 1/2/3
SBIC P, b Skip if Bit in I/O Register Cleared If (P(b)=0) PC ← PC + 2 or 3 None 1/2/3
SBIS P, b Skip if Bit in I/O Register Set If (P(b)=1) PC ← PC + 2 or 3 None 1/2/3
BRBS s, k Branch if Status Flag Set If (SREG(s) = 1) then PC ← PC + k + 1 None 1/2
BRBC s, k Branch if Status Flag Cleared If (SREG(s) = 0) then PC ← PC + k + 1 None 1/2
BREQ k Branch if Equal If (Z = 1) then PC ← PC + k + 1 None 1/2
BRNE k Branch if Not Equal If (Z = 0) then PC ← PC + k + 1 None 1/2
BRCS k Branch if Carry Set If (C = 1) then PC ← PC + k + 1 None 1/2
BRCC k Branch if Carry Cleared If (C = 0) then PC ← PC + k + 1 None 1/2
BRSH k Branch if Same or Higher If (C = 0) then PC ← PC + k + 1 None 1/2
BRLO k Branch if Lower If (C = 1) then PC ← PC + k + 1 None 1/2
BRMI k Branch if Minus If (N = 1) then PC ← PC + k + 1 None 1/2
BRPL k Branch if Plus If (N = 0) then PC ← PC + k + 1 None 1/2
BRGE k Branch if Greater or Equal, Signed If (N ⊕ V= 0) then PC ← PC + k + 1 None 1/2
BRLT k Branch if Less Than Zero, Signed If (N ⊕ V= 1) then PC ← PC + k + 1 None 1/2
BRHS k Branch if Half Carry Flag Set If (H = 1) then PC ← PC + k + 1 None 1/2
BRHC k Branch if Half Carry Flag Cleared If (H = 0) then PC ← PC + k + 1 None 1/2
BRTS k Branch if T Flag Set If (T = 1) then PC ← PC + k + 1 None 1/2
BRTC k Branch if T Flag Cleared If (T = 0) then PC ← PC + k + 1 None 1/2
BRVS k Branch if Overflow Flag Set If (V = 1) then PC ← PC + k + 1 None 1/2
Table 10. Instruction Set (Continued)
Mnemonics Operands Description Operation Flags #Clocks