Intelligent Energy Management; Overview Of Intelligent Energy Management - Samsung S5PC110 Manual

S5PC110_UM
5

INTELLIGENT ENERGY MANAGEMENT

5.1 OVERVIEW OF INTELLIGENT ENERGY MANAGEMENT

The Intelligent Energy Management (IEM) solution is designed primarily for battery-powered equipment, where the
major requirement is to have long battery life. The IEM solution is ideal for portable applications, for example,
smartphones, feature phones, Personal Digital Assistants (PDA), hand held games consoles and portable media
players.
shows a high-level block diagram of a complete IEM solution.
Figure 5-1
ARM processor
Applications
Intelligent Energy
Manager Software
An IEM system consists of the following components:
•
An operating system (OS) modified to co-operate with the IEM software (An IEM-enabled OS).
•
The IEM software, ported to the platform that you are using.
•
Performance scaling hardware and appropriate drivers for that hardware.
System - on - Chip (SoC)
Hardware
Performance
HPM clock
Monitor
ARM Core
clock
OS
Performance
Figure 5-1 Intelligent Energy Manager Solution
Clock
Management
Unit
Advanced
Power
Power
Controller
Management
Unit
Intelligent
Energy
Controller
5 INTELLIGENT ENERGY MANAGEMENT
Vdd
Power
Supply
Communication
Unit
Interface
Off - chip
5-1