Circular Buffering on TMS320C6000 (Rev. A)
Texas InstrumentsThis application report explains how circular buffering is implemented on the TMS320C6000? devices. Circular buffering helps to implement finite impulse response (FIR) filters efficiently. Filters require delay lines or buffers of past (and current) samples. Circular addressing simplifies the manipulation of pointers in accessing the data samples.This application report addresses the following
How to Begin Development Today w/ High Performance Floating Point TMS320C67x DSP
Texas InstrumentsThis application report describes how you can begin development now for the Texas Instruments (TI™) TMS320C67x generation of high-performance digital signal processors (DSPs). Because of the compatibility between TMS320C6000 generation devices existing C6000 software tools and development platforms can be used to develop code for the C67x and other future devices. This capability allows for s
GSM Enhanced Full Rate Speech Coder: Multichannel TMS320C62x Implementation (Rev. B)
Texas InstrumentsThis document provides a detailed description of the implementation of the GSM enhanced full rate (EFR) speech encoder and decoder (codec) on the Texas Instruments (TI)(tm)TMS320C62x digital signal processor (DSP). Topics include program structure code writing rules data/program memory requirement and performance evaluation. Issues on multichannel implementation and interrupts are also addresse
Using a DC-DC Converter to Reduce Power (Current) Consumption In CC430 Systems
Texas InstrumentsThis application report describes a method to reduce power consumption in CC430-based systems by using a step-down converter TPS62730.
A Comparison of Telecom Hot Swap Managers - TPS2393 vs. TPS2393A
Texas InstrumentsA Comparison of Telecom Hot Swap Managers - TPS2393 vs. TPS2393A
Crystal or Crystal Oscillator Replacement with Silicon Devices
Texas InstrumentsThis application report is a general guide that outlines the advantages of using silicon-based timingdevices from Texas Instruments to generate system clocking solutions. This report covers theconventional way to derive system clocks using crystals and crystal oscillators disadvantages of usingthese mechanical components and details on replacing them with silicon-based timing devices from
AN-1815 LDOs Ease the Stress of Start-Up (Rev. A)
Texas InstrumentsThe LP38851/52/53 devices with soft-start provide a reliable way to ensure that start-up into highcapacitive loads is uneventful and stress free.
CBT-C, CB3T, and CB3Q Signal-Switch Families
Texas InstrumentsSignal switch devices are widely used in applications requiring bus isolation, multiplexing, demultiplexing, and voltage translation. Compared to other logic and linear product alternatives, signal sw
DN-43 Simple Techniques to Generate a Negative Voltage Bias Supply
Texas InstrumentsA low-power negative supply voltage can be developed from a positive input supply using some very common PWM control ICs. Typical applications include generating a -5V to -12V supply for analog function ICs (OP amps) RS-232 communication circuits and MOSFET or IGBT gate drives at power levels below a few watts. This design note describes a low-power negative output voltage +5 to ?5V inverter usi
Design-For-Test Analysis Of A Buffered SDRAM Dual-in-Line Memory Module (DIMM)
Texas InstrumentsThis document presents a design-for test (DFT) analysis of a buffered synchronous dynamic random access memory (SDRAM) dual in-line memory module (DIMM). The analysis is restricted to board-level manufacturing faults. The test problem is defined with a solution presented. Alternate methods are given. A comparative study contrasting a DFT approach using a boundary-scan test vs. a non-DFT approach
Improved Context Save/Restore Perform. & Interrupt Latency for ISRs Written in C
Texas InstrumentsIMPROVED CONTEXT SAVE/RESTORE PERFORMANCE AND INTERRUPT LATENCY FOR ISRs WRITTEN IN C
AN-823 Time Keeping Using a COP800 Microcontroller
Texas InstrumentsApplication Note 823 Time Keeping Using a COP800 Microcontroller
Using the CC13xx Under ARIB STD-T108
Texas InstrumentsThis application report outlines the expected performance when operating CC1310 under ARIB STD-T108 in the 920 MHz frequency band. It is assumed that you are familiar with CC1310 and ARIB STD-T108 regulatory limits. Lab measurements show that CC1310 meets ARIB STD-T108 requirements.
DN-40 The Effects of Oscillator Discharge Current Variations on Maximum Duty
Texas InstrumentsThis design note details programming frequency and maximum duty cycle using the UC3842 and UC3842-A PWM oscillator ICs. Simplified equations are used to develop obtainable ranges for parameters over IC tolerances.
Determining Minimum Acquisition Times for SAR ADCs, part 2
Texas InstrumentsThe input structure circuit of a successive-approximation register analog-to-digital converter (SAR ADC) in combination with the driving circuit forms a transfer function that can be used to determin
LDC1612 LDC1614 Linear Position Sensing
Texas InstrumentsThis application note explains how both approaches can be used to determine the position of a target that is moved laterally above the sensor coil and provides system design guidelines for e
AN-1506 DP83843 to DP83848C/I/YB PHYTER System Rollover Document (Rev. A)
Texas InstrumentsThis application report provides points to be considered when updating an existing 10/100 Mb/s Ethernetdesign using Texas Instruments DP83843 Ethernet Physical Layer (PHY) product to the new DP83848PHYTER™ product. Although the basic functions of the device are similar differences include feature setpin functions package and pinout and possibly register operation.
A TMS320C50-Based Algorithm Control
Texas InstrumentsActive structures used for manufacture satellites robots or others industrial processes are subjected to external disturbances inducing oscillation of the structure. With the technical progress of the last few years piezoelectric sensors and actuators are now used to control such structures. The aim of our research is to develop a control algorithm embedded on a DSP board in order to stabilize
