Samsung S5PC100, User Manual, Page: 273 / 1863

S5PC100 USER’S MANUAL (REV1.0) INTELLIGENT ENERGY MANAGEMENT
2.5-1
2.5
INTELLIGENT ENERGY MANAGEMENT
1 OVERVIEW
The IEM solution is designed primarily for battery powered equipment, where the requirement to have as long a
battery life as possible is paramount. 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.
Figure 2.5-1 shows a high-level block diagram of a complete IEM solution.
System-on-Chip (SoC)
Power
Supply
Unit
Off-chip
ARM processor
Applications
OS
Intelligent Energy
Manager Software
Intelligent
Energy
Controller
Advanced
Power
Controller
Hardware
Performance
Monitor
Clock
Management
Unit
Performance
Communication
Interface
Vdd
HPM clock
ARM Core
clock
Power
Management
Unit
Figure 2.5-1 Intelligent Energy Manager Solution
An IEM system consists of the following:
* An OS modified to cooperate 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.