TIDUBQ7B
April 2016 – July 2026
1
Description
Resources
Features
Applications
6
1
Key System Specifications
2
System Description
2.1
CC1312R SimpleLink 32-bit Arm Cortex-M4F Sub-1 GHz wireless MCU with 352kB Flashes
2.2
TMP63 ±1% 100kΩ Linear Thermistor in 0402 Package
3
System Design Theory
3.1
CC1312R as Main Application MCU
3.2
TMP63 Linear Thermistors With TLV2333 Amplifier
3.3
4-MUX 1/3 Biasing Seven-Segment LCD With 84 Segments
3.4
Segment LCD Control with GPIOs Design Description (TI Patented Design)
3.5
Generating Square LCD Waveforms Through GPIOs (TI Patented Design)
3.5.1
COM Lines Generation
3.5.1.1
Segment Lines
3.5.2
Segment Line Generation
3.5.3
Porting the GPIO Software Design to Other 4-MUX, 1/3 Bias LCDs
4
Block Diagram
5
Getting Started Hardware
5.1
TMP63 Circuitry
5.2
Capacitive Touch Area on the PCB
5.3
Battery Power
6
Getting Started Firmware
6.1
SCS Code Project
6.1.1
SCS Task CapTouchButton
6.1.2
SCS Task LCD
6.2
CCS Code Project
7
Test Data
7.1
Sensor Controller Task for CapTouch Detection
7.2
LCD
7.3
TIDA-00848 Current Consumption
8
Design Files
8.1
Schematics
8.2
Bill of Materials
8.3
PCB Layout Recommendations
8.3.1
Layout Prints
8.4
Altium Project
8.5
Gerber Files
8.6
Assembly Drawings
9
Software Files
10
References
11
Trademarks
12
Terminology
13
About the Author
14
Revision History
Design Guide
Single-chip Heat Cost Allocator Reference Design with Segment LCD Control Using GPIO Pins