ATMEGA161-8PI Atmel, ATMEGA161-8PI Datasheet - Page 147

• Manufacturer Part Number: ATMEGA161-8PI
• Description: IC AVR MCU 16K 8MHZ IND 40-DIP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA161-8PI

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: SPI, UART/USART
• Peripherals: POR, PWM, WDT
• Number Of I /o: 35
• Program Memory Size: 16KB (8K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 512 x 8
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 4 V ~ 5.5 V
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 40-DIP (0.600", 15.24mm)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Data Converters: -
• Other names: ATMEGA1618PI

Instruction Set Summary (Continued)
1228D–AVR–02/07
Mnemonic
BRTS
BRTC
BRVS
BRVC
BRIE
BRID
DATA TRANSFER INSTRUCTIONS
MOV
MOVW
LDI
LD
LD
LD
LD
LD
LD
LDD
LD
LD
LD
LDD
LDS
ST
ST
ST
ST
ST
ST
STD
ST
ST
ST
STD
STS
LPM
LPM
LPM
SPM
IN
OUT
PUSH
POP
BIT AND BIT-TEST INSTRUCTIONS
SBI
CBI
LSL
LSR
ROL
ROR
ASR
SWAP
BSET
BCLR
BST
BLD
SEC
CLC
SEN
CLN
Operands
k
k
k
k
k
k
Rd, Rr
Rd, Rr
Rd, K
Rd, X
Rd, X+
Rd, -X
Rd, Y
Rd, Y+
Rd, -Y
Rd, Y+q
Rd, Z
Rd, Z+
Rd, -Z
Rd, Z+q
Rd, k
X, Rr
X+, Rr
-X, Rr
Y, Rr
Y+, Rr
-Y, Rr
Y+q, Rr
Z, Rr
Z+, Rr
-Z, Rr
Z+q, Rr
k, Rr
Rd, Z
Rd, Z+
Rd, P
P, Rr
Rr
Rd
P, b
P, b
Rd
Rd
Rd
Rd
Rd
Rd
s
s
Rr, b
Rd, b
Description
Branch if T-flag Set
Branch if T-flag Cleared
Branch if Overflow Flag is Set
Branch if Overflow Flag is Cleared
Branch if Interrupt Enabled
Branch if Interrupt Disabled
Move between Registers
Copy Register Word
Load Immediate
Load Indirect
Load Indirect and Post-inc.
Load Indirect and Pre-dec.
Load Indirect
Load Indirect and Post-inc.
Load Indirect and Pre-dec.
Load Indirect with Displacement
Load Indirect
Load Indirect and Post-inc.
Load Indirect and Pre-dec.
Load Indirect with Displacement
Load Direct from SRAM
Store Indirect
Store Indirect and Post-inc.
Store Indirect and Pre-dec.
Store Indirect
Store Indirect and Post-inc.
Store Indirect and Pre-dec.
Store Indirect with Displacement
Store Indirect
Store Indirect and Post-inc.
Store Indirect and Pre-dec.
Store Indirect with Displacement
Store Direct to SRAM
Load Program Memory
Load Program Memory
Load Program Memory and Post-inc.
Store Program Memory
In Port
Out Port
Push Register on Stack
Pop Register from Stack
Set Bit in I/O Register
Clear Bit in I/O Register
Logical Shift Left
Logical Shift Right
Rotate Left through Carry
Rotate Right through Carry
Arithmetic Shift Right
Swap Nibbles
Flag Set
Flag Clear
Bit Store from Register to T
Bit Load from T to Register
Set Carry
Clear Carry
Set Negative Flag
Clear Negative Flag
Operation
if (T = 1) then PC ← PC + k + 1
if (T = 0) then PC ← PC + k + 1
if (V = 1) then PC ← PC + k + 1
if (V = 0) then PC ← PC + k + 1
if (I = 1) then PC ← PC + k + 1
if (I = 0) then PC ← PC + k + 1
Rd ← Rr
Rd+1:Rd ← Rr+1:Rr
Rd ← K
Rd ← (X)
Rd ← (X), X ← X + 1
X ← X - 1, Rd ← (X)
Rd ← (Y)
Rd ← (Y), Y ← Y + 1
Y ← Y - 1, Rd ← (Y)
Rd ← (Y + q)
Rd ← (Z)
Rd ← (Z), Z ← Z + 1
Z ← Z - 1, Rd ← (Z)
Rd ← (Z + q)
Rd ← (k)
(X) ← Rr
(X) ← Rr, X ← X + 1
X ← X - 1, (X) ← Rr
(Y) ← Rr
(Y) ← Rr, Y ← Y + 1
Y ← Y - 1, (Y) ← Rr
(Y + q) ← Rr
(Z) ← Rr
(Z) ← Rr, Z ← Z + 1
Z ← Z - 1, (Z) ← Rr
(Z + q) ← Rr
(k) ← Rr
R0 ← (Z)
Rd ← (Z)
Rd ← (Z), Z ← Z + 1
(Z) ← R1:R0
Rd ← P
P ← Rr
STACK ← Rr
Rd ← STACK
I/O(P,b) ← 1
I/O(P,b) ← 0
Rd(n+1) ← Rd(n), Rd(0) ← 0
Rd(n) ← Rd(n+1), Rd(7) ← 0
Rd(0) ← C, Rd(n+1) ← Rd(n), C ← Rd(7)
Rd(7) ← C, Rd(n) ← Rd(n+1), C ← Rd(0)
Rd(n) ← Rd(n+1), n = 0..6
Rd(3..0) ← Rd(7..4), Rd(7..4) ← Rd(3..0)
SREG(s) ← 1
SREG(s) ← 0
T ← Rr(b)
Rd(b) ← T
C ← 1
C ← 0
N ← 1
N ← 0
ATmega161(L)
Flags
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Z,C,N,V
Z,C,N,V
Z,C,N,V
Z,C,N,V
Z,C,N,V
None
SREG(s)
SREG(s)
T
None
C
C
N
N
# Clocks
1/2
1/2
1/2
1/2
1/2
1/2
1
1
1
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
3
3
3
1
1
2
2
2
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
-
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