Implementing OPUS Voice Code for TM4C129x Device
Texas InstrumentsOpus is an open source royalty-free audio compression format developed by Xiph and standardized by the IETF. It utilizes lossy compression which is designed to efficiently code audio with a low latency making it suitable for real time communication. Opus replaces both the Vorbis and Speex codecs and is intended for storage and streaming applications. Its low complexity allows it to be run effici
UCC21520, a Universal Isolated Gate Driver with the Fastest Dynamic Response
Texas InstrumentsDeveloped for high-voltage applications where isolation and reliability is required, the UCC21520 delivers reinforced isolation of 5.7 kVRMS along with a common mode transient immunity (CMTI) greater than 100 V/ns, and it has the industry’s best-in-class propagation delay of 19 ns and the best channel-to-channel delay matching of less than 5 ns which enables high switching frequency, high-power density and efficiency.
In this application report, design considerations and benefits of the UCC21520’s fast dynamic response are introduced with discussion of its wide application in a great variety of power electronics topologies.
Multi-Frequency Range and Tunable DCO on MSP432P4xx Microcontrollers (Rev. A)
Texas InstrumentsMulti-Frequency Range and Tunable DCO on MSP432P4xx Microcontrollers /Microcontrollers/MSP/App_Reports/SLAA658/
TMS320C6000 McBSP Initialization (Rev. C)
Texas InstrumentsThe TMS320C6000? multichannel buffered serial port (McBSP) can operate in a variety of modes as per application requirements. For proper operation the serial port must be initialized in a specific order. This document describes the initialization steps necessary when either the (E)DMA or the CPU is used to service the McBSP data. Typically the (E)DMA is used to perform read/write transfers from
±200V Difference Amplifier with Common-Mode Voltage Monitor
Texas InstrumentsINA117 ±200V Difference Amplifier with Common-Mode Voltage Monitor
AN-311 Theory and Applications of Logarithmic Amplifiers (Rev. B)
Texas InstrumentsA number of instrumentation applications can benefit from the use of logarithmic or exponential signalprocessing techniques. The design and use of logarithmic/exponential circuits are often associated withinvolved temperature compensation requirements and difficult to stabilize feedback loops. For theseconsiderations and others designers tend to avoid these circuits. Hybrid and modularlog
Memory Allocation Techniques in System w/ Dynamic Swapping of Application Codes
Texas InstrumentsThis application report illustrates how to manage the code/data in a system that performs dynamic swapping of routines on demand. This is process is achieved by following a simple setup procedure. This method is one of many ways to implement a dynamic swapping of applications.
The examples given in this report are simplified versions of a working code and are specific to C55x? family of DSPs.
Equalization Optimization of the ADC16DX370 JESD204B Serial Link
Texas InstrumentsADC16DX370 Equalization Optimization of the ADC16DX370 JESD204B Serial Link
Fast GTLP Backplanes With the GTLPH1655 (Rev. A)
Texas InstrumentsThis revision of the Fast GTL Backplanes With the GTL1655 application report addresses improvements such as the improved OECE circuitry and implementation of theTexas Instruments TI-OPCE circuitry that have been incorporated in the GTLPH1655 device. These improvements significantly improve signal integrity in distributed loads.This application report describes the physical principles of fast
Production 1: Updating Firmware With the bq20z80 and EVM
Texas InstrumentsThis application report presents the steps necessary to update the bq20z80 firmware and the EVM.
Interfacing the DAC7654 to the MSP430F449
Texas InstrumentsThis application report shows how easy it is to interface the DAC7654 digital-to-analog converter to the MSP430F449 mixed signal microcontroller using the SPI mode of serial communication. By using th
TMS320C6713 to TMS320C672x Migration Guide
Texas InstrumentsTMS320C6713 to TMS320C672x Migration Guide Application Report
Interfacing the ADS7842 ADC to the TMS320C5400 and TMS320C6000 DSPs Platforms
Texas InstrumentsThis report describes various methods for connecting the ADS7842 to Texas Instruments TMS320C5400 DSP and TMS320C6000 DSP platforms. The ADS7842 is a 4-channel 12-bit analog-to-digital converter (ADC) with a maximum sampling rate of 200 kHz.
Using an LVDS Receiver with TIA/EIA-422 Data (Rev. A)
Texas InstrumentsReceipt of data from a TIA/EIA-422 line driver can be accomplished by using a TIA/EIA-644 line receiver with the addition of an attenuator circuit. This technique gives the user a very high-speed low-power 422 receiver.If ground noise between the transmitter and receiver is not a concern (less than +/-1 V) a resistor divider circuit can be placed in front of the LVDS receiver to attenuate th
Steam-Age Evaluation of Nickel/Palladium Lead Finish for Integrated Circuits
Texas InstrumentsRemoval of lead (Pb) from finished integrated-circuit(IC) packages as well as IC package assembly and printed circuit board(PCB) assembly operations is an ongoing effort by many electronics manufacturers.Toward this end the semiconductor industry is converting to nickel/palladium (Ni/Pd)-finished leadframes in the assembly of integrated circuits. This technology eliminates Pb from the IC pa
V.22 bis Modem on Fixed-Point TMS320 DSP
Texas InstrumentsThis document describes a V.22 bis modem implemented on the Texas Instruments (TI)(tm) TMS320C2xx digital signal processor (DSP). The V.22 bis modem standard is a QAM type modem at 2400 bps implemented in full duplex. The V.22 bis modem implementation includes transmitter receiver with scrambling and V.14 as well as the handshake for connection in originate and answer mode. Modulation and demodu
TMS320DM357 Power Consumption Summary
Texas InstrumentsThis application report discusses the power consumption of the Texas Instruments TMS320DM357 digital media System-on-Chip (DMSoC). Power consumption on the DM357 device is highly application-dependent; therefore a spreadsheet that estimates power consumption is provided along with this document. To obtain good results from the spreadsheet realistic usage parameters must be entered (see Section 2
