Samsung S3F84A5 - Manual (Page 7)

S3F84P4_AN_REV0.00 (PRELIMINARY SPEC) 1 OVERVIEW OF HPLED LIGHTING CONTROL SYSTEM
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OVERVIEW OF HPLED LIGHTING CONTROL
SYSTEM
A light-emitting diode (LED) is a semiconductor light source that presents several advantages over traditional light
(like incandescent) sources such as lower energy consumption, longer lifetime, improved robustness, smaller size,
faster switching, and greater durability and reliance. It renders “green” light and does not contribute towards
material pollution or radiations. Usually, an LED can also be referred to as HPLED (high power LED) if the NRP
(normal rated power) is greater than 1W. It can be driven at currents that vary from hundreds of mA to more than
an ampere. LEDs can produce hundreds of lumens, and find extensive usage in lighting systems.
This document presents a simple HPLED lighting control system implemented with Samsung’s 8-bit MCU
S3F84P4.
1.1 PIN ASSIGNMENT IN S3F84P4
Samsung Confidential
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Figure 1-1 shows the pin assignment in S3F84P4.
Figure 1-1 S3F84P4 Pin Assignment