Software
Support software
TIDM-VOICEBANDAUDIO
Voice Band Audio Playback Using a PWM DAC
TIDM-VOICEBANDAUDIO
Overview
Low cost audio output based upon timer generating PWM & external low-pass filter with amplifier stages for either headphone or speaker. Audio data is stored in an on-board SPI Flash. A PC GUI with launchpad passthrough code is provided to load SPI Flash with audio data.
Features
- Easily integrate code into existing systems (<2kB Flash needed)
- BoosterPack design for easy LaunchPad use
- 8 bit PWM DAC playback with low-cost filtering
- Multiple playback frequencies supported
- External SPI Flash storage for sound files
- SPI Flash loading software included
- Headphone jack or speaker output with volume control
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.
TIDU703A.PDF (3942 K)
Reference design overview and verified performance test data
TIDRD63.PDF (408 K)
Detailed schematic diagram for design layout and components
TIDRD64.PDF (215 K)
Complete listing of design components, reference designators, and manufacturers/part numbers
TIDRD61.ZIP (468 K)
Files used for 3D models or 2D drawings of IC components
TIDC940.ZIP (297 K)
Design file that contains information on physical board layer of design PCB
TIDRD62.ZIP (354 K)
PCB layer plot file used for generating PCB design layout
Products
Includes TI products in the design and potential alternatives.
MSP430 microcontrollers
MSP430F5529 — 25 MHz MCU with 128KB Flash, 8KB SRAM, 12-bit ADC, comparator, DMA, UART/SPI/I2C, USB, HW multiplier
Data sheet: PDF | HTMLMSP430 microcontrollers
MSP430FG6425 — 20 MHz MCU with 64KB Flash, 10KB SRAM, 16-bit Sigma-Delta ADC, dual DAC, DMA, 2 OpAmp, 160 s
Data sheet: PDFMSP430 microcontrollers
MSP430FG6426 — 20 MHz MCU with 128KB Flash, 10KB SRAM, 16-bit Sigma-Delta ADC, dual DAC, DMA, 2 OpAmp, 160
Data sheet: PDFMSP430 microcontrollers
MSP430FG6625 — 20 MHz MCU with 64KB Flash, 10KB SRAM, 16-bit Sigma-Delta ADC, dual DAC, DMA, 2 OpAmp, 160 s
Data sheet: PDFMSP430 microcontrollers
MSP430FG6626 — 20 MHz MCU with 128KB Flash, 10KB SRAM, 16-bit Sigma-Delta ADC, dual DAC, DMA, 2 OpAmp, 160 seg L
Data sheet: PDFStart development
Technical documentation
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| Type | Title | Date | ||
|---|---|---|---|---|
| Design guide | Voice Band Audio Playback Using a PWM DAC Design Guide (Rev. A) | Feb. 24, 2016 | ||
| Technical article | MSP430 MCUs: Testing...testing...1...2...1...2 | PDF | HTML | Apr. 28, 2015 |
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