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TIDM-CAPTIVATE-E-LOCK
MSP430FR2633 Microcontroller CapTIvate Electronic Lock and Keypad Reference Design
TIDM-CAPTIVATE-E-LOCK
Overview
This reference design demonstrates an ultra-low-power capacitive touch panel based on a single MSP430™ microcontroller (MCU) with CapTIvate™ technology. The use of self and mutual capacitance technology enables multifunctional capacitive touch panels (buttons and proximity sensor) for eLocks and other applications with various human interfaces available. This reference design also demonstrates how to extend battery life by duty cycling the MSP430 CPU and switch between low-power mode and active mode.
Features
- 12-touch buttons with one proximity sensor for system wake up and guard key
- 12 LEDs to indicate touch operation
- Haptics and beep available for touch feedback and lock status
- Ultra-low standby power consumption
- Anti-moisture performance
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.
TIDUC04.PDF (6231 K)
Reference design overview and verified performance test data
TIDRO65.PDF (460 K)
Detailed schematic diagram for design layout and components
TIDRO66.PDF (99 K)
Complete listing of design components, reference designators, and manufacturers/part numbers
TIDRO67.PDF (35 K)
Detailed overview of design layout for component placement
TIDRO69.ZIP (549 K)
Files used for 3D models or 2D drawings of IC components
TIDCCS3.ZIP (206 K)
Design file that contains information on physical board layer of design PCB
TIDRO68.ZIP (256 K)
PCB layer plot file used for generating PCB design layout
Products
Includes TI products in the design and potential alternatives.
MSP430 microcontrollers
MSP430FR2633 — Capacitive Touch MCU with 16 touch IO (64 sensors), 16KB FRAM, 4KB SRAM, 19 IO, 10-bit ADC
Data sheet: PDF | HTMLStart development
Technical documentation
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| Type | Title | Date | ||
|---|---|---|---|---|
| * | Design guide | CapTIvate™ E-Lock Design Guide | Nov. 07, 2016 | |
| White paper | Enabling Noise Tolerant Capacitive Touch HMIs With MSP CapTIvate™ Technology (Rev. B) | Nov. 12, 2019 | ||
| Technical article | Rain on this touch panel parade won’t matter | PDF | HTML | Nov. 28, 2016 | |
| More literature | CapTIvate Technology Guide | Jul. 19, 2016 | ||
| White paper | MSP430™ FRAM Microcontrollers With CapTIvate™ Touch Technology | Oct. 14, 2015 |
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