VOICE-RECORD-RD Silicon Laboratories Inc, VOICE-RECORD-RD Datasheet
VOICE-RECORD-RD
Specifications of VOICE-RECORD-RD
Related parts for VOICE-RECORD-RD
VOICE-RECORD-RD Summary of contents
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... OICE Kit Contents The Voice Recorder (VOICE-RECORD-RD) Reference Design Kit contains the following items: C8051F411-GM Voice Recorder board (1) Headphones (1) Universal Power Supply (1) battery (1) Voice Recorder Quick-Start Guide (1) Voice Recorder Reference Design Kit CD-ROM. CD contents include the following: Voice Recorder Reference Design Kit User’ ...
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... VOICE-RECORD-RD 3. Using the Voice Recorder The voice recorder can record seconds of audio. The following steps describe how to use the voice recorder: 1. Connect the headphones to the speaker jack (labeled SPKR). 2. Connect the Universal Power Supply battery to the board. The red power LED (PWR LED) will turn on. ...
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... IDAC. U6—Speaker Driver: The speaker driver provides the power to the speaker and takes the single-ended output of the IDAC and turns it into a differential speaker output, which requires less power for the same output amplitude. VOICE-RECORD-RD Confidential Rev. 0.3 3 ...
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... VOICE-RECORD-RD 5. Summary of Demonstrated C8051F411-GM Features The voice recorder samples the output of a microphone through op-amp based filters using the ADC. The C8051F411 then compresses the samples and sends them to the external SST Flash memory over the SPI. To play back, the C8051F411 retrieves the samples from the external Flash, decompresses them, and outputs the sample using the on-chip IDAC ...
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... Figure 4. Voice Recorder Debugging Setup Connect the USB Debug Adapter (UDA) to the PC and open the Silicon Laboratories IDE. The Voice Recorder project can be opened by going to ProjectOpen Project and selecting “F411_VR.wsp” after navigating to the proper directory. VOICE-RECORD-RD Confidential Rev. 0.3 5 ...
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... VOICE-RECORD-RD Figure 5. Debugging in the Silicon Laboratories IDE Once the Voice Recorder project is open: 1. Build the project by using the Build/Make Project button in the Build toolbar or selecting Project->Build/Make Project from the menu. Figure 6. Build and Debug Toolbars in the Silicon Labs IDE Note: After the project has been built the first time, the Build/Make Project command will only build the files that have been changed since the previous build. To rebuild all files and project dependencies, click on the Rebuild All button in the toolbar or select Project ...
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... The AN278 Voice Recorder Reference Design document contains a detailed firmware description. This document can be found on the Voice Recorder Reference Design Kit CD-ROM or downloaded from the Silicon Laboratories Reference Designs website. http://www.silabs.com/products/microcontroller/designs.asp VOICE-RECORD-RD Save Project from the menu. Confidential Rev. 0.3 7 ...
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... VOICE-RECORD-RD 8. Schematics 8 Confidential Rev. 0.3 ...
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... VOICE-RECORD-RD Confidential Rev. 0.3 9 ...
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... VOICE-RECORD-RD Contact Information Silicon Laboratories Inc. 4635 Boston Lane Austin, TX 78735 Tel: 1+(512) 416-8500 Fax: 1+(512) 416-9669 Toll Free: 1+(877) 444-3032 Email: MCUinfo@silabs.com Internet: www.silabs.com The information in this document is believed to be accurate in all respects at the time of publication but is subject to change without notice. ...