Texas Instruments (TI) is a USA based company that designs and manufactures semiconductors globally. They also have some other business units such as educational technology that manufactures their well known line of calculators.
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1answer
50 views
IAR Embedded Workbench, SmartRF Studio, CC1120/CC112x, where to start?
I am a newbie to Texas Instruments CC1120 radios. Where do I start? Also, what should I be using to program them? SmartRF Studio or IAR Embedded Workbench? Both are provided on the official Texas ...
3
votes
1answer
37 views
CC1120 does not receive upon software upgrade
Note: only read if you have experience using Texas Instruments CC1120 modules earlier.
I am using this development board by Texas Instruments with a CC1120 module hooked up on it.
I have been using ...
1
vote
1answer
23 views
Low current to HS gate drive in DRV8825 typical application diagram
simulate this circuit – Schematic created using CircuitLab
The typical application diagram in the DRV8825 stepper driver datasheet includes a 1MOhm resistor from VM(the motor voltage) to VCP(...
1
vote
2answers
92 views
Simulating a TI microcontroller in Spice
I have bought a microcontroller from Texas instruments: MSP430F6779. I would like to simulate in a circuit along with other components: resistors, op amps, sensors..
What program allows me to do that?...
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0answers
19 views
Can I use AL- capacitor to pth05050w?
Now, I'm trying to test with PTH05050WAH module.
PTH05050WAH
MODULE PIP .8-3.6V 6A HORZ T/H
My power source is SMPS 5V 2A adaptor and I connect directly the 5V power source of adaptor to 3 pin of ...
0
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0answers
29 views
TI design - LM3478 - missing file(?)
I found TI design for LM3478 http://www.ti.com/tool/PMP10077 .
I had downloaded CAD design files "PMP10077 CAD Files" and opened it with Altium Designer (viewer license). But it seems that the file ...
0
votes
1answer
24 views
XDS100v2 OpenOCD Support
I've read a lot of post saying that TIs XDS100v2 JTAG emulator is not supported by OpenOCD. However, looking at this link, I see that the XDS100v2 is a supported FTDI chip. So I'm kind of confused on ...
2
votes
1answer
48 views
FFT Bin Problem with external 24 Bit ADC(FFT bins changing with time)
Currently I am working on one project that includes 24 Bit external MCP3919 and MCP3914 ADCs and Tiva C series 32 Bit MCU. I am trying to calculate harmonic values of input signal.
I am using CMSIS ...
3
votes
1answer
78 views
AM335x FPGA Memory Integration
I'm currently designing a digital mixing console. We have a somewhat large number of ADCs and DACs (more than the multi channel audio serial port on the processor can handle). We decided the solution ...
0
votes
0answers
25 views
TM4C129 Launchpad and XBee
I am using TM4C129 Launchpad launchpad and trying to connect XBee Series 2 (S2C) through UART.
Looking into the pinout of TM4C129, I am connecting like below
XBee TX <---> RX
XBee RX <---> ...
0
votes
1answer
27 views
PCM4202 Input buffer
I have a question about the input buffer of the PCM4202 ADC. On page 22 of the PCM4202 datasheet, they describe an input buffer. It's pretty standard with gain and filtering. However, the ADC requires ...
0
votes
1answer
36 views
AM437x/AM335x Audio clock generation
For some ADCs and DACs I'm using I need a 24.576MHz clock (96kHz * 256). Obviously I can use a low jitter audio clock generator. However, I have a AM335x processor available that claims to have a low ...
0
votes
1answer
31 views
TPS61196 LED Driver chip for high Voltage Backlight applications: What to do for proper backlight driving?
I need to design a Backlight Driver which has to have high brightness.
These are the equipments I have in the design:
My Backlight String combined of 2 parallel of 28 serial LEDs(2 * 28 = 56 LEDs)
...
1
vote
1answer
53 views
LMR10510 - Simple switcher “breakoutboard” output measures 0V
I have a problem concerning this Simple Switcher found here. I used the design example 3 for the LMR10510Y found on page 17 of the datasheet, however measuring the output pins of the switcher returns ...
0
votes
0answers
23 views
MCP391X Series External 24 Bit ADC Software Reset Problem(SPI reading behaves weird) [duplicate]
I have a strange problem and I couldn't find a solution for 1-2 months!!!
In my system I have MCP3919 and MCP3914 24 Bit external ADCs. PWM pin of MCU generates 4MHz clock for ADC main clock. And my ...
0
votes
2answers
103 views
Software/Hardware Reset of MCU sometimes makes 24 Bit External ADC conversion goes wrong in Tiva C series
I have a strange problem and I couldn't find a solution for 1-2 month.
In my system I have a Tiva TM4C123GH6PM MCU and external 24 Bit ADC(MCP3919). My PWM pin generates 8MHz clock for ADC main clock....
1
vote
1answer
156 views
Proper way to wait N cycles in ARM Cortex-M4
After enabling a clock for a certain port you have to wait 4 cycles for the clock to finish initializing. How can one wait for N cycles the proper way?
In my code I used this:
...
1
vote
2answers
51 views
I2C bus multiplexing issue
I am seeing an unexpected side effect, and could use some pointers. I am working on a project which uses five TCS34725 color sensors. These sensors are being interfaced via I2C on a TI F28069M DSP ...
0
votes
1answer
124 views
Problem using TI CC2650
I am asking this question directly on the TI forums as well, but decided to post here in case anyone has specific experience with this.
I am attempting to prototype with a CC2650 RGZ package 48 pin ...
1
vote
1answer
56 views
How high is the TLC5940?
I've got some TLC5940 PDIP package ICs coming in the mail in a couple weeks or so, and in the meantime I'm designing a couple boards for them.
I'm trying to figure out if the TLC is short enough ...
1
vote
0answers
64 views
How to set MSP430 Driver Library timerA configurations
I am using MSP430F5529 and MSP430 Driver Library.
As you can see, I set upMode timer configuration, compare mode configuration and enabled the initial interrupts. However, timerA interrupt is not ...
38
votes
4answers
7k views
Why does TI have so many microcontrollers?
I am working on a project with a group and I am responsible for the digital part of the project, so I will be writing the code. To go from Analog to Digital, I have to choose a microcontroller.
I was ...
0
votes
1answer
142 views
Use LCD 1602A with F28027
I want to connect C2000 Piccolo LAUNCHXL-F28027 and LCD 1602A. And I already found this example: http://embedjournal.com/interfacing-16x2-character-lcd-with-c2000-launchpad/. I downloaded the source ...
4
votes
2answers
487 views
How to generate high frequency clock with high stability from a microcontroller?
I am using TivaC launchpad TM4C123G microcontroller, to generate a clock of 40 MHZ but I tested it on the oscilloscope and it doesn't look like a square wave it's more like a sinusoidal here is a ...
0
votes
1answer
188 views
How to flash the TI CC2650STK using a XDS110? [closed]
I have a TI cc2650STK (a.k.a. Sensortag 2) and a corresponding Debug DevPack. I've been trying to follow the instructions on how to use both together (as proposed in this answer), but I have not been ...
0
votes
1answer
60 views
Texas instruments C1101 RF1100 module Schematics
does anyone got schematic from this module. I tried searching around but didn't get anything except main header pin-out. There are also 2x2 pin on each corner, but there is no info about them.
1
vote
1answer
66 views
Using a PAL for a seven segment display
I know next to nothing about PAL. I was wondering how one goes about programming a PAL (an old TIBPAL 16L8-25CN in my case) to drive a seven segment display, sort of like a HEF4511B. Right now I just ...
0
votes
1answer
288 views
TimerA: How to get PWM in upMode configuration?(TI MSP432 Launchpad)
I try to use UpMode timerA configuration on MSP to get PWM with arranged Duty Cyle. So here is my code below:
...
0
votes
1answer
167 views
What is the difference between MibSPI and SPI?
The following text is from the TI TMS570LC4357 microcontroller features overview:
Five Multibuffered Serial Peripheral Interface (MibSPI) Modules
MibSPI1: 256 Words with ECC Protection
...
0
votes
1answer
75 views
Ethernet PHY Layer Compatibility
I have two different embedded devices with ethernet connection. One is based on Texas Intruments DM648 DSP chip and the internals of the other are unknown to me.
When I connect each one of them ...
2
votes
1answer
258 views
Figure out pin address on MCU eval board (TI MSP432 Launchpad)
I bought an MSP432 Launchpad from TI, and I'm surprised you can't search for "MSP432 Launchpad pin map" and get a table of the digital pins, their addresses, and their variable names in the standard ...
6
votes
1answer
438 views
What is the purpose of this layout feature
I have been researching some TI power supply ICs and came across the following diagram in the datasheet for TPS40200.
Can anyone explain why the trace circled in red is connected as it is instead of ...
0
votes
3answers
246 views
Implementing an ADC Interface to connect to a FPGA
I want to implement an ADC Interface for an ADC - ADS 7230 (TI) in VHDL.
I am not very familiar with ADCs to implement it in VHDL. I already have
an ADC Interface for a 10 bit ADC (MAX 1030) and a ...
0
votes
2answers
109 views
How can I connect a BeagleBone Black using I2C to my TI host-controlled battery charger?
I have a battery charger that I want to program /control. http://www.ti.com/tool/BQ24261EVM-079?keyMatch=bq24261evm-079&tisearch=Search-EN-Everything
How can I use a BeagleBone Black (BBB) to ...
4
votes
1answer
267 views
USB hub and slave on same pcb - are serial resistors and capacitors needed?
I'm building a device using
TUSB2046B hub controller
4x FT230X USB to UART controller
First, let's look on Hub controller sample application:
Note D:
All USB DP, DM signal pairs require ...
3
votes
1answer
164 views
US Government Export Approval for TI chip
I hope this isn't off-topic since I think it's a general issue that applies to many ICs.
I'm looking into buying a TI battery charger chip, but the datasheet alone seems to be restricted by the "U.S. ...
1
vote
1answer
358 views
MSP430F5529 USB communication drivers refuse to install correctly
i am learning how to do USB communication with the MSP430F5529 Launchpad and trying to upload the CDC 1 LEDonOff Example from the MSP430 USB Developers Package provided by TI.
I am also following ...
3
votes
1answer
298 views
MSP430 Launchpad buttons do not behave properly and cannot see variables
I just got an MSP430F5529 Launchpad and have done one tutorial where i make the LED located at P1.0 blink. I am using code composer studio as my IDE
Now i am trying to get the LED at P1.0 (red) and ...
0
votes
1answer
129 views
I2C - addressing
In the i2c protocol, I would like to know how the slave & master address are assigned. Most of the internet doc talk about how the protocol work, but i wasn't able to find doc about i2c slave &...
1
vote
2answers
320 views
Running an LED blinking program on cc2530
I am trying to use the following code for blinking LED on CC2530, it would be great if someone could tell me what I am doing wrong? I know this is basic stuff but I cannot figure out what I am doing ...
1
vote
1answer
48 views
PCB custom - tm4c12333h6pm
Previously, I tried to make a cusotm PCB with a tm4c123gh6pgei (http://electronics.stackexchange.com/questions/176117/tm4c123gh6pgei-custom-pcb)
After investigation of that PCB, I was able to ...
1
vote
1answer
88 views
Software vs Hardware control
I was reading the Tivaware datasheet on GPIO:
http://www.ti.com/lit/ug/spmu298a/spmu298a.pdf
When I came across this(page 257):
"where GPIO_DIR_MODE_IN specifies that the pin is programmed as a ...
1
vote
1answer
205 views
DATA_ALIGN Pragma - Tiva
What is the purpose of a pragma Data_Align in TI emb. compiler.
The datasheet explanation:
http://www.ti.com/lit/ug/spnu151j/spnu151j.pdf
"The DATA_ALIGN pragma aligns the symbol in C, or the next ...
1
vote
1answer
390 views
Programming cc2530 on Linux
I am trying to program a cc2530 mcu, all the example software and libraries are provided for IAR, but since I am on ubuntu, I am unable to use it, I have installed sdcc but I am still unclear as to ...
0
votes
2answers
437 views
TI RF solution - MSP43x+CC1100 vs. CC1110, toolchain
I'm looking for low-power RF solution working in sub 1GHz band (868MHz, battery powered, mostly sleeping). Originally I considered AVR with Digi Xbee 868LP module but doing deeper research I found TI ...
2
votes
1answer
174 views
How does the Bias Drive in TI ADS1299 help in noise reduction?
I'm bit of a noob in electronics so please pardon me if this question is too basic.
I would like to clearly understand how the signal from the bias drive electrode can help in noise reduction, ...
2
votes
1answer
50 views
TLV1117 Regulator Thermal Issue
I'm using this Regulator namely TLV1117-50IDCYR for a project that I'm working on. Aparently everything is working fine with this chip but sometimes I feel it's heating too much and I'm not putting ...
1
vote
0answers
146 views
USB streaming controller
I am developing an Audio codec using the TI AIC3254 Audio Codec with miniDSP.
For the interface, they have suggested a USB streaming controller which they no longer support and other alternatives are ...
13
votes
1answer
704 views
1000 Hz+ refresh rate displays/ projectors? (for making volumetric displays)
I have found only few volumetric displays for the kind of effect I'm looking for. They can be divided by two characteristics into two separate groups each: rotating or moving screens, and moving ...
0
votes
2answers
198 views
LM2623 Regulator
I'm implementing a DC/DC regulator and you can find the datasheet in this link.
What I'm trying to do it's basically reproduce the application note in order to have Vin = 12V and Vout = 5V 1Amp but I'...
