MICROCONTROLLERSChapter 5

Memory

Dr. Saeed Ebadollahi

References:

•Prentice Hall–edition rd3-Mano M.Morris-Computer System Architecture

•Computer Organization & Design: The Hardware/Software Interface - David A. Patterson, John L. Hennessy – 5th edition – Morgan Kaufmann

Introduction

Introduction (Cont.)

Locality

Locality (Cont.)

Memory Hierarchy

Memory Hierarchy (Cont.)

Memory Hierarchy (Cont.)

Memory Hierarchy (Cont.)

Memory Hierarchy (Cont.)

Hit Rate and Miss Rate

Hit Rate and Miss Rate (Cont.)

Hit Time and Miss Penalty

Hit Time and Miss Penalty (Cont.)

The Big Picture

The Big Picture

Memory Technologies

Memory Prices in 2012

SRAM

DRAM

DRAM (Cont.)

DRAM (Cont.)

DRAM (Cont.)

DRAM (Cont.)

DRAM Size and Price

Flash Memory

Disk Memory

Basics of Caches

Basics of Caches (Cont.)