MM5450 Micrel, MM5450 Datasheet - Page 7

• Manufacturer Part Number: MM5450
• Description: LED Display Driver
• Manufacturer: Micrel

MM5450/5451
Typical Applications
May 2000
V
CLOCK IN
LED
DATA IN
= 3.0V
18 21 22 19
BRIGHTNESS
KEYBOARD
9–16
Figure 12. Basic Electronically Tuned Radio System
CONTROL
Figure 13. Duplexing 8 Digits with One MM5450.
2–8, 40 32–39
V
LED
MM5450
100k
TYP.
20
STATION DETECT, ETC.
AM
FM
V
DISPLAY DRIVER
1 23 17
DD
CONTROLLER
24–31
LED DISPLAY
ELECTRONIC
MM5450
TUNING
34
7
SYNTHESIZER
V
LED
PLL
V
LED
= 3.0V
MM5450/5451
Micrel