Building Embedded Systems: Programmable Hardware

© Changyi Gu 2016

Changyi Gu, Building Embedded Systems, 10.1007/978-1-4842-1919-5_11

11. De-Bounce, Power Management, and Display

Changyi Gu¹ 

(1)San Diego, California, USA

Your mobile phone has more computing power than all of NASA in 1969. NASA launched a man to the moon. We launch a bird into pigs.

—Tweet from @GeorgeBray (George Bray)

This chapter covers some miscellaneous hardware topics that are important to embedded systems, such as power-on resets, switch de-bouncing, power management, managing displays, and using touchscreens.

PoR (Power-On Reset) and Switch De-Bounce

No matter how smart your system becomes, one thing still remains a manual operation: Flipping the power switch. Two things have to be taken care of at the very moment when the ...