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The Atmel AVR instruction set is the machine language for the Atmel AVR, a modified Harvard architecture 8-bit RISC single chip microcontroller which was developed by Atmel in 1996. The AVR was one of the first microcontroller families to use on-chip flash memory for program storage. This section describes all instructions for the 8-bit AVR in detail. .. Example: and r2,r3. ; Bitwise and r2 and r3, result in r2 ldi r16,1. ; Set bitmask 0000 0001 in The instructions used in writing programs in assembly language are not general but specific to the microcontroller. Each company provides a set of instructions Instructions BRHS - Branch if Half Carry Flag is Set · BRID - Branch if Global Interrupt is Disabled · BRIE - Branch if Global Interrupt is Enabled · BRLO - Branch Transfer bit used by BLD and BST instructions section describes the various addressing modes supported by the AVR architecture. In the following figures, OP means the operation code part of the instruction word. To simplify, not all figures Complete Instruction Set Summary. Notes: 1. Not all instructions are available in all devices. Refer to the device specific instruction summary. 2. Cycle times for "AVR Instruction Set" document doc0856 "The Program and Data Addressing Modes." 2. In this lecture I will teach you how to translate your assembly code into Atmel-0856L-AVR-Instruction-Set-Manual_Other-11/2016 . Program Memory Constant Addressing using the LPM, ELPM, and SPM Instructions. 18. The Atmel AVR instruction set is the machine language for the Atmel AVR, a modified Harvard architecture Instructions which allow an immediate value are limited to registers R16–R31 (8-bit A typical ATmega memory map may look like: the various addressing modes supported by the AVR architecture. In the following figures, OP means the operation code part of the instruction Program Memory Constant Addressing using the LPM, ELPM, and SPM Instructions. Figure 9.