點晶科技股份有限公司
ST2225A
SILICON TOUCH TECHNOLOGY INC.
Typical Applications
LED DISPLAY
AM
FM
35
ST2225A
DISPLAY DRIVER
ELECTRONIC
TUNING
PLL
KEYBOARD
SYNTHESIZER
CONTROLLER
STATION DETECT, ETC
Figure 9 Basic Electronically Tuned Radio System
VLED=3.0V
VLED=3.0V
VLED
VLED
9-12, 2-8, 48 40-47 31-35,
14-17
37-39
ST2225A
1, 13
36
19 27 28 21
29 18
CLOCK IN
DATA IN
VDD
BRIGHTNESS
CONTROL
100K
TYP
Figure 10 Duplexing 8 Digits with One ST2225A
LED Display Driver
-9-
Version:A.025