Software
Firmware
TIDA-00848
Reference Design for Segment LCD Control Using GPIO Pins to Increase System Flexibility
TIDA-00848
Overview
The TIDA-00848 reference design provides an innovative solution for adding LCD functionality to any Smart Grid or IoT application, where seven-segment LCD operation is required but the LCD dsiplay does not have to be always on. Using a few resistors and optimized GPIO control software on a CC1310 SimpleLinkTM Wireless MCU, a seven-segment LCD support is implemented. This design approach can be used with any TI microcontrollers without an on-chip LCD controller module.
Features
- Innovative solution for driving Seven-segment LCD thru GPIOs by CC1310 SimpleLink Wireless MCU
- Only 26 I/Os needed for driving 80 seg-ments of a 4-MUX, 1/3-biased LCD
- Sensor controller peripheral senses the capacitive touch PCB area and reads out the LMT70A sensors periodically
- 2-layer PCB With HCA form factor using a 96-segment 4-MUX LCD and cap touch area for LCD ON/OFF
- Average current: 835 nA @ 3.6 V (LCD OFF); 338 uA @ 3.6 V (80 LCD segments ON) under TI RTOS framework
A fully assembled board has been developed for testing and performance validation only, and is not available for sale.
Design files & products
Design files
Download ready-to-use system files to speed your design process.
TIDUBQ7A.PDF (2436 K)
Reference design overview and verified performance test data
TIDRM27.PDF (487 K)
Detailed schematic diagram for design layout and components
TIDRM28.PDF (161 K)
Complete listing of design components, reference designators, and manufacturers/part numbers
TIDRM29.PDF (212 K)
Detailed overview of design layout for component placement
TIDRM31.ZIP (904 K)
Files used for 3D models or 2D drawings of IC components
TIDCC90.ZIP (688 K)
Design file that contains information on physical board layer of design PCB
TIDRM30.PDF (1341 K)
PCB layer plot file used for generating PCB design layout
TIDRM32.PDF (939 K)
PCB layer plot file used for generating PCB design layout
Products
Includes TI products in the design and potential alternatives.
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Technical documentation
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| Type | Title | Date | ||
|---|---|---|---|---|
| * | Design guide | Segment LCD Control Using GPIO Pins To Increase System Flexibility Design Guide (Rev. A) | Jun. 16, 2016 |
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