AVR Microcontroller Quiz

What is the organization of a 512K memory chip with 8 data pins?

• 64K x 8

• 64K x 512

• 8K x 64

• 512K x 8

What is the organization of a memory chip with 12 address pins and 4 data pins?

• 4K x 4

• 12K x 4

• 4K x 12

• 12K x 12

The data memory space in AVR can be a maximum of how many bytes?

• 256K

• 128K

• 32K

• 64K

The GPRs, together with the I/O registers and SRAM are called...?

• Program Memory

• Peripherals

• Data Memory

• Special Function Registers

Write a program to add 2 to the contents of R18.

• LDI R19, 0x02 ADD R18, R19

• LDI R18, 0x02 ADD R18, R18

• MOV R19, 0x02 ADD R18, R19

• ADD R18, 2

Write an instruction to store the contents of R19 in data memory at address 0x400.

• MOV 0x200, R19

• STS 0x200, R29

• STS 200, R19

• STS 0x200, R19

In unsigned byte-by-byte multiplication, the product will be placed in registers R1 and R0.

• True

• False

The MUL instruction works only on R0 and R1.

• True

• False

True/False: The extension for an assembly source file is .asm.

• True

• False

Every source file must have .ORG directives.

• True

• False