Datasheet

4D SYSTEMS 4DLCD-FT843 4.3” Embedded SPI Display
© 2014 4D SYSTEMS Page 8 of 10 www.4dsystems.com.au
4DLCD
-FT843 4.3” Embedded SPI Display
6. Audio Filter and Amplifier Reference Circuit
Please note this circuit is not included on any hardware from 4D Systems. This is a reference schematic from FTDI, which can be used to successfully filter and amplify the
audio signals coming from the FT800, and therefore 4DLCD-FT843 Display.