466130 Datasheet, PDF (14/36 Pages) ATMEL Corporation – 8-bit Microcontroller with 64/128K Bytes of ISP Flash

5. Instruction Set Summary
Mnemonics
Operands
Description
ADD
ADC
ADIW
SUB
SUBI
SBC
SBCI
SBIW
AND
ANDI
OR
ORI
EOR
COM
NEG
SBR
CBR
INC
DEC
TST
CLR
SER
MUL
MULS
MULSU
FMUL
FMULS
FMULSU
RJMP
IJMP
EIJMP
JMP
RCALL
ICALL
EICALL
CALL
RET
RETI
CPSE
CP
CPC
CPI
SBRC
SBRS
SBIC
SBIS
BRBS
BRBC
BREQ
BRNE
BRCS
BRCC
BRSH
BRLO
BRMI
BRPL
BRGE
BRLT
BRHS
BRHC
BRTS
BRTC
BRVS
ARITHMETIC AND LOGIC INSTRUCTIONS
Rd, Rr
Add two Registers
Rd, Rr
Add with Carry two Registers
Rdl,K
Add Immediate to Word
Rd, Rr
Subtract two Registers
Rd, K
Subtract Constant from Register
Rd, Rr
Subtract with Carry two Registers
Rd, K
Subtract with Carry Constant from Reg.
Rdl,K
Subtract Immediate from Word
Rd, Rr
Logical AND Registers
Rd, K
Logical AND Register and Constant
Rd, Rr
Logical OR Registers
Rd, K
Logical OR Register and Constant
Rd, Rr
Exclusive OR Registers
Rd
One’s Complement
Rd
Two’s Complement
Rd,K
Set Bit(s) in Register
Rd,K
Clear Bit(s) in Register
Rd
Increment
Rd
Decrement
Rd
Test for Zero or Minus
Rd
Clear Register
Rd
Set Register
Rd, Rr
Multiply Unsigned
Rd, Rr
Multiply Signed
Rd, Rr
Multiply Signed with Unsigned
Rd, Rr
Fractional Multiply Unsigned
Rd, Rr
Fractional Multiply Signed
Rd, Rr
Fractional Multiply Signed with Unsigned
BRANCH INSTRUCTIONS
k
Relative Jump
Indirect Jump to (Z)
Extended Indirect Jump to (Z)
k
Direct Jump
k
Relative Subroutine Call
Indirect Call to (Z)
Extended Indirect Call to (Z)
k
Direct Subroutine Call
Subroutine Return
Interrupt Return
Rd,Rr
Compare, Skip if Equal
Rd,Rr
Compare
Rd,Rr
Compare with Carry
Rd,K
Compare Register with Immediate
Rr, b
Skip if Bit in Register Cleared
Rr, b
Skip if Bit in Register is Set
P, b
Skip if Bit in I/O Register Cleared
P, b
Skip if Bit in I/O Register is Set
s, k
Branch if Status Flag Set
s, k
Branch if Status Flag Cleared
k
Branch if Equal
k
Branch if Not Equal
k
Branch if Carry Set
k
Branch if Carry Cleared
k
Branch if Same or Higher
k
Branch if Lower
k
Branch if Minus
k
Branch if Plus
k
Branch if Greater or Equal, Signed
k
Branch if Less Than Zero, Signed
k
Branch if Half Carry Flag Set
k
Branch if Half Carry Flag Cleared
k
Branch if T Flag Set
k
Branch if T Flag Cleared
k
Branch if Overflow Flag is Set
14 ATmega32U6/AT90USB64/128
Operation
Rd ← Rd + Rr
Rd ← Rd + Rr + C
Rdh:Rdl ← Rdh:Rdl + K
Rd ← Rd - Rr
Rd ← Rd - K
Rd ← Rd - Rr - C
Rd ← Rd - K - C
Rdh:Rdl ← Rdh:Rdl - K
Rd ← Rd • Rr
Rd ← Rd • K
Rd ← Rd v Rr
Rd ← Rd v K
Rd ← Rd ⊕ Rr
Rd ← 0xFF − Rd
Rd ← 0x00 − Rd
Rd ← Rd v K
Rd ← Rd • (0xFF - K)
Rd ← Rd + 1
Rd ← Rd − 1
Rd ← Rd • Rd
Rd ← Rd ⊕ Rd
Rd ← 0xFF
R1:R0 ← Rd x Rr
R1:R0 ← Rd x Rr
R1:R0 ← Rd x Rr
R1:R0 ← (Rd x Rr) << 1
R1:R0 ← (Rd x Rr) << 1
R1:R0 ← (Rd x Rr) << 1
PC ← PC + k + 1
PC ← Z
PC ←(EIND:Z)
PC ← k
PC ← PC + k + 1
PC ← Z
PC ←(EIND:Z)
PC ← k
PC ← STACK
PC ← STACK
if (Rd = Rr) PC ← PC + 2 or 3
Rd − Rr
Rd − Rr − C
Rd − K
if (Rr(b)=0) PC ← PC + 2 or 3
if (Rr(b)=1) PC ← PC + 2 or 3
if (P(b)=0) PC ← PC + 2 or 3
if (P(b)=1) PC ← PC + 2 or 3
if (SREG(s) = 1) then PC←PC+k + 1
if (SREG(s) = 0) then PC←PC+k + 1
if (Z = 1) then PC ← PC + k + 1
if (Z = 0) then PC ← PC + k + 1
if (C = 1) then PC ← PC + k + 1
if (C = 0) then PC ← PC + k + 1
if (C = 0) then PC ← PC + k + 1
if (C = 1) then PC ← PC + k + 1
if (N = 1) then PC ← PC + k + 1
if (N = 0) then PC ← PC + k + 1
if (N ⊕ V= 0) then PC ← PC + k + 1
if (N ⊕ V= 1) then PC ← PC + k + 1
if (H = 1) then PC ← PC + k + 1
if (H = 0) then PC ← PC + k + 1
if (T = 1) then PC ← PC + k + 1
if (T = 0) then PC ← PC + k + 1
if (V = 1) then PC ← PC + k + 1
Flags
Z,C,N,V,H
Z,C,N,V,H
Z,C,N,V,S
Z,C,N,V,H
Z,C,N,V,H
Z,C,N,V,H
Z,C,N,V,H
Z,C,N,V,S
Z,N,V
Z,N,V
Z,N,V
Z,N,V
Z,N,V
Z,C,N,V
Z,C,N,V,H
Z,N,V
Z,N,V
Z,N,V
Z,N,V
Z,N,V
Z,N,V
None
Z,C
Z,C
Z,C
Z,C
Z,C
Z,C
None
None
None
None
None
None
None
None
None
I
None
Z, N,V,C,H
Z, N,V,C,H
Z, N,V,C,H
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
#Clocks
1
1
2
1
1
1
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
2
2
2
2
2
2
2
3
4
4
4
5
5
5
1/2/3
1
1
1
1/2/3
1/2/3
1/2/3
1/2/3
1/2
1/2
1/2
1/2
1/2
1/2
1/2
1/2
1/2
1/2
1/2
1/2
1/2
1/2
1/2
1/2
1/2
7593JS–AVR–03/09