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TIDA-01212
Single Bidirectional Infrared LED Communication Port Reference Design
TIDA-01212
Overview
The TIDA-01212 reference design provides a ultra-low power yet simple and low-cost solution for adding a bi-directional IrDA PHY link at 9600 bps to any Smart Metering or sub-metering device. Using a single IR LED, a resistor and internal 1.27 V reference, controlled by an optimized software inside the Sensor Controller engine, both transmitter and receiver for IrDA PHY @ 9600 bps is implemented. This design approach can be used with the TI CC13xx and CC26xx SimpleLink™ Wireless MCUs to reduce cost by replacing legacy optical IrDA PHY modules with two separate LEDs.
Features
- Single bidirectional IrDA PHY @ 9600 bps implementation by CC1350 SimpleLink Wireless MCU
- Only 2 I/Os needed; sensitivity (or link range) can be improved with two additional I/Os for implementing an external voltage reference.
- Sensor Controller Engine senses the Capacitive Touch PCB area and polls the IR LED once per second (adjustable period)
- Connects to TIDA-00848 for adding an IrDA PHY functionality (both transmit and receive) with a single IR LED
- Average current: 1.73 uA @ 3.0 V (LCD OFF); 975 uA @ 3.0 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.
TIDUCF0.PDF (2908 K)
Reference design overview and verified performance test data
TIDROW6.PDF (167 K)
Detailed schematic diagram for design layout and components
TIDROW7.PDF (72 K)
Complete listing of design components, reference designators, and manufacturers/part numbers
TIDROW8.PDF (106 K)
Detailed overview of design layout for component placement
TIDROX0.ZIP (246 K)
Files used for 3D models or 2D drawings of IC components
TIDCCY3.ZIP (365 K)
Design file that contains information on physical board layer of design PCB
TIDROW9.PDF (358 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 | Single Bidirectional Infrared LED Communication Port Reference Design | Nov. 28, 2016 |
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