CC2640 Questions
I had a few questions on CC2640:1) What is the average current drawn for a 100 msec advertisement rate with a coin-cell battery in the CC26xx kit?In the TI power spreadsheet, I found this number to be...
View ArticleTPA6130 - Maximum Gain at THD < 1% for RL=16 ohms Stereo
Hi!My application requires THD to be < 1%.Based on the datasheet for the TPA6130 (Figures 3 through 6), the tested gains are 0.1 dB and 6.1 dB. The 6.1 dB plots are only for BTL though.What is the...
View ArticleTPD4S014 on the Host ??
I’m looking at TPD4S014 and thinking that it may work. But, I am confused by the typical application drawings in the datasheet. Our situation is we want to have a USB host port on our product. It is...
View ArticlePMUs
To TI E2E forum moderator and/or support engineer:Hello,I have a list of questions, answers, and comments in a concise dated 4 columns spread sheet format forabout 6 PMU devices that are still...
View ArticleC5515 circular buffer size over 4k
Hi.I've been having troubles implementing a circular buffer larger than 4096. I've read the data sheet for the processor (SPRS645F) and found that it contains 8 blocks of 4K x 16-Bit for the DARAM and...
View Articlecc1101 Best Practice to do Continuous RX like SmartRF
Hi,I am using cc1101 on a device that needs to be in RX mode continuously. I managed to do RX and TX but I am a little bit concerned about how I am handling packet RX . I am using GDO0 to generate an...
View ArticleHercules TI Board RM48L952 ZWT Self Tests/Safety Init Tab HalCoGen 04.03.00
Hello, We are using the TI Hercules board RM48L952ZWT with HalCoGen 04.03.00. Under the safety init tab, there are 7 available self tests. When we tried to enable them all (we assumed it would be a...
View ArticleBQ24193 regulates battery at 3.74
The part worked OK in standalone mode when first assembled on the prototype. In host mode it regulates the battery at 3.74V, drawing current from the 10V power supply to meet the loading. Setting Reg04...
View ArticleSM72445EVM schematic
Hello,I am using TI parts for the 1st time. I bought a SM72445 eval board to use as a solar battery charger. A solar panel (Vmp~18V) will be on the input and the battery voltage (~12V) will be at the...
View ArticleHow does one generate an errata (processor bug) report in TI's system?
I've been investigating the DMA stall in the Delfino 28335 I posted on earlier today. I've been doing more investigating, and generated a workaround in my code that counts the stalls as well as ignores...
View ArticleADS1274EVM-PDK missing samples of sine wave
Hello,In trying to read a sine wave in continuous mode, there are discontinuous jumps. I see in the user's guide that in continuous analysis, some samples may be missing between blocks.Is there an easy...
View ArticleMeasuring 2.5uA threshold current
Hi,I would like to detect threhold current of 2.5uA, so i require a current shunt that has low input current. Is there any current shunt with voltage out put i can use? Also, due to mechanical...
View ArticleData wrong in Flash program memory
hi,my end customer return our product cause by malfunction,after checking, the program data which stored in MSP430G2553's Flash memory got some bytes wrong,i was using the IAR and msp-fet430uif to burn...
View ArticleMSP430 SBW Tool Develop
hi,Our company wnats to develop the msp430 burning tool, is there any document describe about the SBW command list, timming...etc?
View ArticleOutput Tx Power
Dear TI member,Currently I am looking the information regarding the BLE power consumption and ended up in this BLE Power Consumption measurement result.However, I wonder the output power of BLE on this...
View Articleviewing and modifiying registers on a tm4c1294
hello, im trying to familiarize myself with this board. I eventually need to use it to do maximum powerpoint tracking for a small darrieus rotor. For now Im trying to start by writting a simple script...
View ArticleTivaWare example project startup_gcc.c stack is not 8 byte aligned, breaking...
In the SW-EK-TM4C1294XL-2.1.0.12573.exe, examples/project/startup.gcc has the line:static uint32_t pui32Stack[64];which is used by the interrupt vector table to place the initial stack pointer....
View ArticleADS1192, operating check points?
Hi! All.It's a first time operating the ADS1192 for me. My question is that I can not measure the voltage 2.42 V or 4.03 V on the pin 9 (VREFP).From the datasheet on page 22, internal reference, the...
View ArticleClik here to view.
If I disable IRQ and FIQ at CPSR of user mode, why I can not write the...
I have a setting to disable the IRQ and FIQ of user mode of CPSR register.Then, usb_ctrl1 register of cm_pwrdn (bit0) and otg_pwrdn (bit1) was no longer write.why not?
View Article