Programming.
→ALUi2, perform addition ALUo →Rd+1:Rd MUL Rd,Rr Multiplies the two 8-bit registers Rd and Rr with each other and stores the 16-bit result in Rd+1:Rd. Rd →ALUi1, Rr →ALUi2, perform multiplication ALUo →Rd+1:Rd Multiplications haven’t been available in the early AVR CPUs, e.g. in the ATmega103 but