Atmel AVR Manuals

Manuals and User Guides for Atmel AVR. We have 1 Atmel AVR manual available for free PDF download: Manual

Atmel AVR Manual (191 pages)

Brand: Atmel | Category: Microcontrollers | Size: 2.53 MB

Instruction Set Nomenclature

1
- Table of Contents
  2
1 I/O Registers

13
- RAMPX, RAMPY, and RAMPZ
  13
- Rampd
  13
- Eind
  13
- Stack
  13
- Flags
  13
2 The Program and Data Addressing Modes

14
3 Conditional Branch Summary

21
4 Instruction Set Summary

22
5 ADC - Add with Carry

30
- Description
  30
- Status Register (SREG) and Boolean Formula
  30
6 ADD - Add Without Carry

32
- Description
  32
- Status Register (SREG) and Boolean Formula
  32
7 ADIW - Add Immediate to Word

33
- Description
  33
- Status Register (SREG) and Boolean Formula
  33
8 AND - Logical and

35
- Description
  35
- Status Register (SREG) and Boolean Formula
  35
9 ANDI - Logical and with Immediate

36
- Description
  36
- Status Register (SREG) and Boolean Formula
  36
10 ASR - Arithmetic Shift Right

37
- Description
  37
- Status Register (SREG) and Boolean Formula
  37
11 BCLR - Bit Clear in SREG

38
- Description
  38
- Status Register (SREG) and Boolean Formula
  38
12 BLD - Bit Load from the T Flag in SREG to a Bit in Register

39
- Description
  39
- Status Register (SREG) and Boolean Formula
  39
13 BRBC - Branch if Bit in SREG Is Cleared

40
- Description
  40
- Status Register (SREG) and Boolean Formula
  40
14 BRBS - Branch if Bit in SREG Is Set

41
- Description
  41
- Status Register (SREG) and Boolean Formula
  41
15 BRCC - Branch if Carry Cleared

42
- Description
  42
- Status Register (SREG) and Boolean Formula
  42
16 BRCS - Branch if Carry Set

43
- Description
  43
- Status Register (SREG) and Boolean Formula
  43
17 BREAK - Break

44
- Description
  44
- Status Register (SREG) and Boolean Formula
  44
18 BREQ - Branch if Equal

45
- Description
  45
- Status Register (SREG) and Boolean Formula
  45
19 BRGE - Branch if Greater or Equal (Signed)

46
- Description
  46
- Status Register (SREG) and Boolean Formula
  46
20 BRHC - Branch if Half Carry Flag Is Cleared

47
- Description
  47
- Status Register (SREG) and Boolean Formula
  47
21 BRHS - Branch if Half Carry Flag Is Set

48
- Description
  48
- Status Register (SREG) and Boolean Formula
  48
22 BRID - Branch if Global Interrupt Is Disabled

49
- Description
  49
- Status Register (SREG) and Boolean Formula
  49
23 BRIE - Branch if Global Interrupt Is Enabled

50
- Description
  50
- Status Register (SREG) and Boolean Formula
  50
24 BRLO - Branch if Lower (Unsigned)

51
- Description
  51
- Status Register (SREG) and Boolean Formula
  51
25 BRLT - Branch if Less than (Signed)

52
- Description
  52
- Status Register (SREG) and Boolean Formula
  52
26 BRMI - Branch if Minus

53
- Description
  53
- Status Register (SREG) and Boolean Formula
  53
27 BRNE - Branch if Not Equal

54
- Description
  54
- Status Register (SREG) and Boolean Formula
  54
28 BRPL - Branch if Plus

55
- Description
  55
- Status Register (SREG) and Boolean Formula
  55
29 BRSH - Branch if same or Higher (Unsigned)

56
- Description
  56
- Status Register (SREG) and Boolean Formula
  56
30 BRTC - Branch if the T Flag Is Cleared

57
- Description
  57
- Status Register (SREG) and Boolean Formula
  57
31 BRTS - Branch if the T Flag Is Set

58
- Description
  58
- Status Register (SREG) and Boolean Formula
  58
32 BRVC - Branch if Overflow Cleared

59
- Description
  59
- Status Register (SREG) and Boolean Formula
  59
33 BRVS - Branch if Overflow Set

60
- Description
  60
- Status Register (SREG) and Boolean Formula
  60
34 BSET - Bit Set in SREG

61
- Description
  61
- Status Register (SREG) and Boolean Formula
  61
35 BST - Bit Store from Bit in Register to T Flag in SREG

62
- Description
  62
- Status Register (SREG) and Boolean Formula
  62
36 CALL - Long Call to a Subroutine

63
- Description
  63
- Status Register (SREG) and Boolean Formula
  63
37 CBI - Clear Bit in I/O Register

65
- Description
  65
- Status Register (SREG) and Boolean Formula
  65
38 CBR - Clear Bits in Register

66
- Description
  66
- Status Register (SREG) and Boolean Formula
  66
39 CLC - Clear Carry Flag

67
- Description
  67
- Status Register (SREG) and Boolean Formula
  67
40 CLH - Clear Half Carry Flag

68
- Description
  68
- Status Register (SREG) and Boolean Formula
  68
151 CLI - Clear Global Interrupt Flag

69
- Description
  69
- Status Register (SREG) and Boolean Formula
  69
42 CLN - Clear Negative Flag

70
- Description
  70
- Status Register (SREG) and Boolean Formula
  70
43 CLR - Clear Register

71
- Description
  71
- Status Register (SREG) and Boolean Formula
  71
44 CLS - Clear Signed Flag

72
- Description
  72
- Status Register (SREG) and Boolean Formula
  72
45 CLT - Clear T Flag

73
- Description
  73
- Status Register (SREG) and Boolean Formula
  73
155 CLV - Clear Overflow Flag

74
- Description
  74
- Status Register (SREG) and Boolean Formula
  74
47 CLZ - Clear Zero Flag

75
- Description
  75
- Status Register (SREG) and Boolean Formula
  75
48 COM - One's Complement

76
- Description
  76
- Status Register (SREG) and Boolean Formula
  76
49 CP - Compare

77
- Description
  77
- Status Register (SREG) and Boolean Formula
  77
50 CPC - Compare with Carry

79
- Description
  79
- Status Register (SREG) and Boolean Formula
  79
51 CPI - Compare with Immediate

81
- Description
  81
- Status Register (SREG) and Boolean Formula
  81
52 CPSE - Compare Skip if Equal

83
- Description
  83
- Status Register (SREG) and Boolean Formula
  83
53 DEC - Decrement

84
- Description
  84
- Status Register and Boolean Formula
  84
54 DES - Data Encryption Standard

86
- Description
  86
55 EICALL - Extended Indirect Call to Subroutine

87
- Description
  87
- Status Register (SREG) and Boolean Formula
  87
56 EIJMP - Extended Indirect Jump

88
- Description
  88
- Status Register (SREG) and Boolean Formula
  88
57 ELPM - Extended Load Program Memory

89
- Description
  89
- Status Register (SREG) and Boolean Formula
  90
58 EOR - Exclusive or

91
- Description
  91
- Status Register (SREG) and Boolean Formula
  91
59 FMUL - Fractional Multiply Unsigned

92
- Description
  92
- Status Register (SREG) and Boolean Formula
  92
60 FMULS - Fractional Multiply Signed

94
- Description
  94
- Status Register (SREG) and Boolean Formula
  94
61 FMULSU - Fractional Multiply Signed with Unsigned

96
- Description
  96
- Status Register (SREG) and Boolean Formula
  96
62 ICALL - Indirect Call to Subroutine

98
- Description
  98
- Status Register (SREG) and Boolean Formula
  98
63 IJMP - Indirect Jump

99
- Description
  99
- Status Register (SREG) and Boolean Formula
  99
64 IN - Load an I/O Location to Register

100
- Description
  100
- Status Register (SREG) and Boolean Formula
  100
65 INC - Increment

101
- Description
  101
- Status Register and Boolean Formula
  101
66 JMP - Jump

103
- Description
  103
- Status Register (SREG) and Boolean Formula
  103
67 LAC - Load and Clear

104
- Description
  104
- Status Register (SREG) and Boolean Formula
  104
68 LAS - Load and Set

105
- Description
  105
- Status Register (SREG) and Boolean Formula
  105
69 LAT - Load and Toggle

106
- Description
  106
- Status Register (SREG) and Boolean Formula
  106
70 LD - Load Indirect from Data Space to Register Using Index X

107
- Description
  107
- Status Register (SREG) and Boolean Formula
  108
71 LD (LDD) - Load Indirect from Data Space to Register Using Index y

109
- Description
  109
- Status Register (SREG) and Boolean Formula
  110
72 LD (LDD) - Load Indirect from Data Space to Register Using Index Z

112
- Description
  112
- Status Register (SREG) and Boolean Formula
  113
73 LDI - Load Immediate

115
- Description
  115
- Status Register (SREG) and Boolean Formula
  115
74 LDS - Load Direct from Data Space

116
- Description
  116
- Status Register (SREG) and Boolean Formula
  116
75 LDS (16-Bit) - Load Direct from Data Space

117
- Description
  117
- Status Register (SREG) and Boolean Formula
  117
76 LPM - Load Program Memory

118
- Description
  118
- Status Register (SREG) and Boolean Formula
  118
77 LSL - Logical Shift Left

120
- Description
  120
- Status Register (SREG) and Boolean Formula
  120
78 LSR - Logical Shift Right

122
- Description
  122
- Status Register (SREG) and Boolean Formula
  122
79 MOV - Copy Register

123
- Description
  123
- Status Register (SREG) and Boolean Formula
  123
80 MOVW - Copy Register Word

124
- Description
  124
- Status Register (SREG) and Boolean Formula
  124
81 MUL - Multiply Unsigned

125
- Description
  125
- Status Register (SREG) and Boolean Formula
  125
82 MULS - Multiply Signed

126
- Description
  126
- Status Register (SREG) and Boolean Formula
  126
83 MULSU - Multiply Signed with Unsigned

127
- Description
  127
- Status Register (SREG) and Boolean Formula
  127
84 NEG - Two's Complement

129
- Description
  129
- Status Register (SREG) and Boolean Formula
  129
85 NOP - no Operation

131
- Description
  131
- Status Register (SREG) and Boolean Formula
  131
86 OR - Logical or

132
- Description
  132
- Status Register (SREG) and Boolean Formula
  132
87 ORI - Logical or with Immediate

133
- Description
  133
- Status Register (SREG) and Boolean Formula
  133
88 OUT - Store Register to I/O Location

134
- Description
  134
- Status Register (SREG) and Boolean Formula
  134
89 POP - Pop Register from Stack

135
- Description
  135
- Status Register (SREG) and Boolean Formula
  135
90 PUSH - Push Register on Stack

136
- Description
  136
- Status Register (SREG) and Boolean Formula
  136
91 RCALL - Relative Call to Subroutine

137
- Description
  137
- Status Register (SREG) and Boolean Formula
  137
92 RET - Return from Subroutine

139
- Description
  139
- Status Register (SREG) and Boolean Formula
  139
93 RETI - Return from Interrupt

140
- Description
  140
- Status Register (SREG) and Boolean Formula
  140
94 RJMP - Relative Jump

142
- Description
  142
- Status Register (SREG) and Boolean Formula
  142
95 ROL - Rotate Left Trough Carry

143
- Description
  143
- Status Register (SREG) and Boolean Formula
  143
96 ROR - Rotate Right through Carry

145
- Description
  145
- Status Register (SREG) and Boolean Formula
  145
97 SBC - Subtract with Carry

147
- Description
  147
- Status Register (SREG) and Boolean Formula
  147
98 SBCI - Subtract Immediate with Carry SBI - Set Bit in I/O Register

149
- Description
  149
- Status Register (SREG) and Boolean Formula
  149
99 SBI - Set Bit in I/O Register

151
- Description
  151
- Status Register (SREG) and Boolean Formula
  151
100 SBIC - Skip if Bit in I/O Register Is Cleared

152
- Description
  152
- Status Register (SREG) and Boolean Formula
  152
101 SBIS - Skip if Bit in I/O Register Is Set

153
- Description
  153
- Status Register (SREG) and Boolean Formula
  153
102 SBIW - Subtract Immediate from Word

154
- Description
  154
- Status Register (SREG) and Boolean Formula
  154
103 SBR - Set Bits in Register

156
- Description
  156
- Status Register (SREG) and Boolean Formula
  156
104 SBRC - Skip if Bit in Register Is Cleared

157
- Description
  157
- Status Register (SREG) and Boolean Formula
  157
105 SBRS - Skip if Bit in Register Is Set

158
- Description
  158
- Status Register (SREG) and Boolean Formula
  158
106 SEC - Set Carry Flag

159
- Description
  159
- Status Register (SREG) and Boolean Formula
  159
107 SEH - Set Half Carry Flag

160
- Description
  160
- Status Register (SREG) and Boolean Formula
  160
108 SEI - Set Global Interrupt Flag

161
- Description
  161
- Status Register (SREG) and Boolean Formula
  161
109 SEN - Set Negative Flag

162
- Description
  162
- Status Register (SREG) and Boolean Formula
  162
110 SER - Set All Bits in Register

163
- Description
  163
- Status Register (SREG) and Boolean Formula
  163
111 SES - Set Signed Flag

164
- Description
  164
- Status Register (SREG) and Boolean Formula
  164
112 SET - Set T Flag

165
- Description
  165
- Status Register (SREG) and Boolean Formula
  165
113 SEV - Set Overflow Flag

166
- Description
  166
- Status Register (SREG) and Boolean Formula
  166
114 SEZ - Set Zero Flag

167
- Description
  167
- Status Register (SREG) and Boolean Formula
  167
115 Sleep

168
- Description
  168
- Status Register (SREG) and Boolean Formula
  168
116 SPM - Store Program Memory

169
- Description
  169
- Status Register (SREG) and Boolean Formula
  169
117 SPM #2 - Store Program Memory

171
- Description
  171
- Status Register (SREG) and Boolean Formula
  171
118 ST - Store Indirect from Register to Data Space Using Index X

173
- Description
  173
- Status Register (SREG) and Boolean Formula
  174
119 ST (STD) - Store Indirect from Register to Data Space Using Index y

175
- Description
  175
- Status Register (SREG) and Boolean Formula
  176
120 ST (STD) - Store Indirect from Register to Data Space Using Index Z

177
- Description
  177
- Status Register (SREG) and Boolean Formula
  178
121 STS - Store Direct to Data Space

179
- Description
  179
- Status Register (SREG) and Boolean Formula
  179
122 STS (16-Bit) - Store Direct to Data Space

180
- Description
  180
- Status Register (SREG) and Boolean Formula
  180
123 SUB - Subtract Without Carry

181
- Description
  181
- Status Register and Boolean Formula
  181
124 SUBI - Subtract Immediate

183
- Description
  183
- Status Register and Boolean Formula
  183
125 SWAP - Swap Nibbles

185
- Description
  185
- Status Register (SREG) and Boolean Formula
  185
126 TST - Test for Zero or Minus

186
- Description
  186
- Status Register (SREG) and Boolean Formula
  186
127 WDR - Watchdog Reset

187
- Description
  187
- Status Register (SREG) and Boolean Formula
  187
128 XCH - Exchange

188
- Description
  188
- Status Register (SREG) and Boolean Formula
  188
129 Datasheet Revision History

189
- Rev.0856L - 11/2016
  189
- Rev.0856K - 04/2016
  189
- Rev.0856J - 07/2014
  189
- Rev.0856I - 07/2010
  189
- Rev.0856H - 04/2009
  189
- Rev.0856G - 07/2008
  190
- Rev.0856F - 05/2008
  190

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Atmel AVR Manual (191 pages)

Table of Contents

Instruction Set Nomenclature

1 I/O Registers

2 The Program and Data Addressing Modes

3 Conditional Branch Summary

4 Instruction Set Summary

5 ADC - Add with Carry

6 ADD - Add Without Carry

7 ADIW - Add Immediate to Word

8 AND - Logical and

9 ANDI - Logical and with Immediate

10 ASR - Arithmetic Shift Right

11 BCLR - Bit Clear in SREG

12 BLD - Bit Load from the T Flag in SREG to a Bit in Register

13 BRBC - Branch if Bit in SREG Is Cleared

14 BRBS - Branch if Bit in SREG Is Set

15 BRCC - Branch if Carry Cleared

16 BRCS - Branch if Carry Set

17 BREAK - Break

18 BREQ - Branch if Equal

19 BRGE - Branch if Greater or Equal (Signed)

20 BRHC - Branch if Half Carry Flag Is Cleared

21 BRHS - Branch if Half Carry Flag Is Set

22 BRID - Branch if Global Interrupt Is Disabled

23 BRIE - Branch if Global Interrupt Is Enabled

24 BRLO - Branch if Lower (Unsigned)

25 BRLT - Branch if Less than (Signed)

26 BRMI - Branch if Minus

27 BRNE - Branch if Not Equal

28 BRPL - Branch if Plus

29 BRSH - Branch if same or Higher (Unsigned)

30 BRTC - Branch if the T Flag Is Cleared

31 BRTS - Branch if the T Flag Is Set

32 BRVC - Branch if Overflow Cleared

33 BRVS - Branch if Overflow Set

34 BSET - Bit Set in SREG

35 BST - Bit Store from Bit in Register to T Flag in SREG

36 CALL - Long Call to a Subroutine

37 CBI - Clear Bit in I/O Register

38 CBR - Clear Bits in Register

39 CLC - Clear Carry Flag

40 CLH - Clear Half Carry Flag

151 CLI - Clear Global Interrupt Flag

42 CLN - Clear Negative Flag

43 CLR - Clear Register

44 CLS - Clear Signed Flag

45 CLT - Clear T Flag

155 CLV - Clear Overflow Flag

47 CLZ - Clear Zero Flag

48 COM - One's Complement

49 CP - Compare

50 CPC - Compare with Carry

51 CPI - Compare with Immediate

52 CPSE - Compare Skip if Equal

53 DEC - Decrement

54 DES - Data Encryption Standard

55 EICALL - Extended Indirect Call to Subroutine

56 EIJMP - Extended Indirect Jump

57 ELPM - Extended Load Program Memory

58 EOR - Exclusive or

59 FMUL - Fractional Multiply Unsigned

60 FMULS - Fractional Multiply Signed

61 FMULSU - Fractional Multiply Signed with Unsigned

62 ICALL - Indirect Call to Subroutine

63 IJMP - Indirect Jump

64 IN - Load an I/O Location to Register

65 INC - Increment

66 JMP - Jump

67 LAC - Load and Clear

68 LAS - Load and Set

69 LAT - Load and Toggle

70 LD - Load Indirect from Data Space to Register Using Index X

71 LD (LDD) - Load Indirect from Data Space to Register Using Index y

72 LD (LDD) - Load Indirect from Data Space to Register Using Index Z

73 LDI - Load Immediate

74 LDS - Load Direct from Data Space

75 LDS (16-Bit) - Load Direct from Data Space

76 LPM - Load Program Memory