Atmel AVR User Manual

79. MOV – Copy Register
79.1. Description
This instruction makes a copy of one register into another. The source register Rr is left unchanged, while
the destination register Rd is loaded with a copy of Rr.
Operation:
(i) Rd ← Rr
Syntax: Operands: Program Counter:
(i) MOV Rd,Rr 0 ≤ d ≤ 31, 0 ≤ r ≤ 31 PC ← PC + 1
16-bit Opcode:
0010 11rd dddd rrrr
79.2. Status Register (SREG) and Boolean Formula
I T H S V N Z C
– – – – – – – –
Example:
mov r16,r0 ; Copy r0 to r16
call check ; Call subroutine
...
check: cpi r16,$11 ; Compare r16 to $11
...
ret ; Return from subroutine
Words 1 (2 bytes)
Cycles 1
Atmel AVR Instruction Set Manual [OTHER]
Atmel-0856L-AVR-Instruction-Set-Manual_Other-11/2016
123

Atmel AVR Specifications

General

Architecture	8-bit RISC
SRAM	Up to 16 KB
Clock Speed	Up to 20 MHz
Operating Voltage	1.8V to 5.5V
ADC	10-bit ADC
Communication Interfaces	SPI, I2C, USB
Packages	DIP, SOIC, QFN
Special Features	Watchdog Timer
Flash Memory	1KB to 256KB
EEPROM	64B to 4KB