SDAA183
December 2025
CC2340R5
1
Abstract
Trademarks
1
Introduction
1.1
CC2340R5
1.2
Seven Segment LCD
2
Hardware Setup
2.1
LCD Schematic
2.2
CC2340R5 Connection Diagram
3
Running the Example
3.1
Dependencies
3.2
Loading Firmware
4
Firmware Design
4.1
Code Description
4.2
Timer ISRs
4.2.1
lightUpdateHandler
4.2.2
lcdUpdateHandler
4.2.3
tempUpdateHandler
4.3
Hardware Callbacks
4.3.1
deltaNotificationFxn
4.3.2
gpioButtonFxn
5
Tests and Results
6
Summary
7
References
Application Note
Segment LCD with Contrast Control using GPIOs on the SimpleLink CC2340R5 MCU