SRIO RX Buffer allocate problem
Hi,I'm working on a project where a tms320c6678 are used to communicate with a xilinx FPGA through SRIO.On the DSP side, i tried to initiate a NREAD opration to read data from the FPGA.I modified the...
View ArticleLM2907-N, LM2917-N Specification
My customer is planning to use LM2917-N. Could you tell us the following information ?1) What is the recommended operating range for Supply Voltage, MIN and MAX ?2) What is the accuracy (linearity)...
View ArticleRelease of : H264HP Encoder ?????
Hi,With reference to the my previous post,Can anybody tell When Ti H264 High profile Encoder is going to release in market ?????Please let me know.-Studinstru
View Articlehelp me identify a IC that can transmit over 2km
I want to transmit a packet of data via RF over 2km if it is possible using TI RF chips. please assume a normal living city with buildings etc.Is there a posibility? I tried to find the answer but I...
View ArticleTRF7970A HLTA
Hi!I can succesful read UID from Mifare Classic uand DESFire EV1 with/without Collision.If 2 PICCs in the field first I read the UID from PICC#1 then PICC#1 should go into HALT, and after this I'd like...
View Articleslaa357 filter question
I am not very clear about how FIR filter works.My questions is after I generated the assembly code and include it in the main.c.How many inputs do I feed in once to get a filtered output?For example,...
View ArticleSPI EK-LM4F120
Help please (LM4F120, timers operation well),What wrong in initialization of the SSI1(SPI), no clock, no interrupt, no output...
View ArticleI would like to use description of MSP430 Intrinics described by page 107 of...
http://www.ti.com/lit/ug/slau132d/slau132d.pdfPage 107 : 6.7.1 MSP430 Intrinics unsigned long _data16_read_addr(unsigned short addr); void _data16_write_addr (unsigned short addr, unsigned long src);A...
View ArticleSignal transmission basics
what is more important in case of signal transmission through a power amplifier and its detection at receiver ?High output power at the cost of lower voltage gain or operating at maximum gain at the...
View ArticleOMAP-L138 VTP IO Buffer Calibration does not succeed
Hi,I am trying to get a custom board working with the OMAP-L138 and Micron mDDR, but it is failing the VTP IO Buffer calibration. We had originally hooked up the DDR_VREF and DDR_ZP pins incorrectly,...
View ArticlePCM56P
Recently purchased 2 TI PCM56P devices from farnell. The devices are not behaving the same as the original BB (Burr Brown) device. For a fixed input the TI device is producing 2.247V (loaded 5.3k and...
View Articleproblem porting code from port 1 to 2 on msp430 launchpad(msp430g2553)
helloi have a code(interrupt driven) to drive 16x2 lcd working fine on port 1 io pins but when i change the code to work on port 2 and change the hardware correspondingly the code is not working. i...
View ArticlePCM1795 / THD+N at DSD mode
Hi,Our customer are evaluating PCM1795 right now and they are measuring THD+N at DSD mode with 128 fs. The datasheet specifies it at only 64 fs, so they understand that it's not guaranteed at 128 fs....
View ArticleUse the TINA-TI post-processor to plot a voltage against a current?
I have a simulation in TINA with several voltmeters and ammeters in it, and I'd like to plot one against the other in a DC sweep, that is, in a sweep where I'm varying the load resistance, I would like...
View ArticleHow do I set up I2C connection? Need help!
Trying to use MSP430G2553 with SRF02 ultrasonic range finder. The code I'm using below is taken from an example on the internet (I'm assuming it works). However, how do I set up the SDA SCL lines?I was...
View ArticleMSP430: Reset problem
Hello, We have a card based on TI's MSP430. Upon powerup, the BSL reads 3 bytes from 0x1800. This is a customized BSL based on TI's original source for IAR. If the pattern exists, the MSP430 stays in...
View Articlelinker error in CCSV4 with math.h
I am using CCSV4 to compile a C/C++ project for the MSP430G2231, and I have a need for math functions from the math.h library. I have simply included the math.h file in order to use the library,...
View ArticleLinker warning: **** uses 2-byte wchar_t yet the output is to use 4-byte wchar_t
I'm attempting to setup Eclipse to compile programs for my EK-LM4F120XLHere's the full warning: (I created a symlink to driverlib-cm4f.lib so that ld could find...
View ArticlePCM2912A enumeration madness
Hello. I purchased 4-5 PCM2912A (PCM2912A, 103XLT on the chip) chips through digikey two months ago, and I'm having a very hard time trying to get it to work. I simply need to have it working in...
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