![FMB MB9AA30N SERIES User Manual Download Page 22](http://html.mh-extra.com/html/fmb/mb9aa30n-series/mb9aa30n-series_user-manual_2312607022.webp)
Bluemoon-EVB
Hardware V1.1.0
Chapter 5 Each Module Description
MCU-UM-510106-E-10
– Page 22
5.3 LCD Display and control
Figure 5-3 shows the LCD backlight and LCD drive circuit.
Figure 5-3: LCD Circuit
LCD driver used internal divider resistor.
When 5V power, used 10K internal resistor.
When 3.3V power, used 100K internal resistor. So the backlight and LCD display will
become dark.