CCS: Uboot (configured ad SPL) is blocked from start to SPI after relocationg...
Tool/software: Code Composer StudioHi experts. I have seen (another) strange behaviour during uboot's SPI startup in our custom board.I had added some debug printout to show the problem.In custom...
View ArticlePCN20191104000 - Qualification of Hefei Tongfu Microelectronic Co. Ltd (HFTF)...
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View ArticleTAS2505EVM: Open Source Eagle Schematic and Board Files
Part Number: TAS2505EVMHello,We are developing a product for a client and we just successfully demo'd a proof-of-concept prototype for them using the TAS2505EVM.Our next step is designing a custom PCB...
View ArticleOPA197: Input offset voltage spec. (max.) from 0 to 85 deg.C at Vs = +/-18V
Part Number: OPA197Hello,OPA197 datasheet only appears to specify input offset voltage (Vos) at 25deg.C.Please advise Vos spec. between 0deg.C to 85deg.C as well as at -20deg.C for operation at Vs =...
View ArticleBQ40Z50: How to understand Offset Error parameter?
Part Number: BQ40Z50Hi,Per bq40z50 Technical Reference document, one of QMax Update disqualified conditions is Offset Error.I don't understand it well, could you please help me to understand it better:...
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ISO5451-Q1: Noise issue on top gate signal
Part Number: ISO5451-Q1I have the following:4 switch 3-phase interleaved bi-directional buck boost converter (please refer to TMS320F280049: CMPSS query to implement peak current mode control of a 4...
View ArticleADS1120: Multiple commands and Temperature Sensor mode
Part Number: ADS1120Hi E2E,Good day!I just want to clarify if it is necessary to re-assert CS when sending multiple commands. Meaning, should the CS signal set to high after a single command then...
View ArticleIWR6843: Beam switching between frames
Part Number: IWR6843Hi,Two quick questions regarding TX beam forming/beam steering in 6843 chip:1- Is it possible to switch beam (or phase of channels) between frames?2- How fast we can do beam switch...
View ArticleTRF7970A: TRF7970A Crystal Oscillator Does Not Start When Wake From Power...
Part Number: TRF7970AHello,I am having a problem with approximately 15% of our boards failing to start the TRF7970A crystal oscillator after re-starting from power down as indicated by B6 of the RSSI...
View ArticleTPS65981: Preference for UFP
Part Number: TPS65981I have a device that's an accessory for a phone. It is only capable of acting as UFP for data, but it can be a power source when its external charger is plugged in. So my control...
View ArticleOPA858: OPA858 model
Part Number: OPA858Hello,I am using TINA-TI for simulating my circuit and have a question regarding the OPA858 model.Does the model include the inut capacitance or do I have to include it in my circuit...
View ArticleCCS/CC2640R2F: How to build program for 5x5 RHB pack CC2640R2F module in...
Part Number: CC2640R2FTool/software: Code Composer StudioHi Everyone,I have gone through the sample programs and instructions for the CC2640R2F 7x7 QFN package for sensor controller program. And i...
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BQ24296M: F Acing issue in BQ24296M based desin
Part Number: BQ24296MHI,We are using below implementation in our design. Our goal is to get 5V@1.5A output .Case1: When 5V@1.5A Dc adapter is connected at VBUS ( When DC jack inserted, We are...
View ArticleCCS: proximity sensor with gate opener
Tool/software: Code Composer StudioI use MSP430G2553 , I want to write a code that uses proximity sensor with gate opener ( servo motor open the gate , if there is a signal ) , ı need help
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CC2642R: Advertising issue on Channel 37
Part Number: CC2642RI believe the customer is working with SDK version simplelink_cc13x2_26x2_sdk_3_30_00_03, but I will confirm. I'm working with a customer on interleaving Legacy Advertisements and...
View ArticleDAC53401: Connection for pad underneath DSG package
Part Number: DAC53401The renderings of the DSG 8 package show a pad underneath, but the preliminary data sheet does not mention to what it should connect.Any advise?
View ArticleCC430F5147: Set continuous transmit mode, CW
Part Number: CC430F5147I want to set the transmissions to continuous for testing. The CC1101 core radio documentation talks about continuous transmissions, but doe not give specifics about how to...
View ArticleCC2642R: How to terminate one of multiple connections from a peripheral
Part Number: CC2642RWe're working on a peripheral application that supports connection from multiple centrals. We have a need to disconnect from a specific central device while maintaining the other...
View ArticleCompiler/TMS320F28027: missing __euclidean_div_i32byu32 intrinsic in 18.12.4...
Part Number: TMS320F28027Tool/software: TI C/C++ CompilerHello, allI use __euclidean_div_i32byu32 intrinsic. But in compiler version 18.12.4 it is missing...I need effectively calculate result and...
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MSP430FR5969: I2C SCL and Bus Busy Bit Stuck Low
Part Number: MSP430FR5969Sometimes when doing USCI B I2C with communications the SCL line and Bus Busy get stuck low after a slave device doesn't correctly send an NACK. I don't think there's any way...
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