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95 Threads found on edaboard.com: Timing Controller
Dear All My Friends I have a decorative light RGB leds it's have an IC SM16726 to Drive i need to control it with pic micro controller .... i face a two problems 1- the datasheet is chines language ... and i can't understand chines 2- the ACROBAT reader can't display the chines language pdf then i can't even see the timing diagram to understand
Hi, I strongly recommend to use interrupt controlled regulation loop. This ensures a fixed timing. Fixed timing is essential for filters, PID control loops. Only with fixed timing you can calculate dead_time, delay time, phase angle .... Additionally you gain a lot of processing power for other tasks. Klaus
i think that is because the data will transfer in two direction , for the MCLK is comes from controller ,if you used the MCLK to sample the data output from DDR you will have some trouble in sync between data and clk,it easier to control the timing when using the DQS come out from memory together with data signals.
What's next? Drill a hole into the chip and observe which memory cells are still working? Your test description is a bit vague, but you probably didn't consider the complexity of DDR RAM operation. After power on reset, the RAM controller performs a timing calibration sequence, writing and reading arbitrary data. With your intentional data line
Hi everybody, I'm looking for a solution for my controller which has its central unit and/or displays out of work. I'm going to upload a photo of this controller where you can see the "operational area" (at the end of which various wires must be connected). There, nearly 13V arrive (in a track where I drew a left pointing arrow in red), crossin
I haven't use this controller. But many compilers support examples (simple in many cases) for various microcontroller families. Sometimes this is better, because you directly run a project and have some fun by changing the timing of a flashing LED etc. Just make sure to select the proper emulator from the project settings. If you are a (...)
I am aware that when designing SDRAM controllers, it is important to not just be aware of how the SDRAM works but also be careful about the tight timing requirements. Now with emphasis on this second aspect, how would one go about verifying an SDRAM controller design written in a HDL? Do manufacturers of SDRAMs provide some sort of (...)
hi, If I want to do static timing analysis of my design having MBIST controller I need to consider the whole MBIST circuitry for STA or only those parts of MBIST where my functional path goes through ?? In case of MBIST only MBIST collar will come in design functional path so according to me only MBIST collar has to be considered for doing STA ?
Hi I am interested to know the details and technicalities of a automated memory controller phase tuning. As the EMMC/DDR memory gains in speed, the timing constraints and Signal Integrity become more and more important and critical. I have got some information from JEDEC but the details are not clear on how memory controllers in a (...)
Well that is at least progress in the right direction. I still believe there could be a timing issue, which might account for the change when you switched compiler versions. I still waiting for a friend of mine to get back with me on his experiences with this controller. I let you know if he has anything to share. Ciao[/
The C language has no timing statements. You are talking about compiler and processor specific library functions or time related functions of an operation system.
Hello, everybody! I have some misunderstanding about VIH(ac)\VIL(ac) SSTL levels. timing specification for DDR3-1066 SDRAM normalized by this levels, for example data setup time tDS is 25ps@AC175 and 90ps@AC135. Which one of all levels I should use in my timing budget calculation? Levels are determined by configuring the controller? or (...)
Hi, In that condition the micro acts as a simple timing device; exactly how it performs that function is down to the program code you give it. It controls the led by turning one of its output ports high or low which allows the current to flow, via a current limiting resistor, to the led. There are many tutorials / books out there to give you
Should be discussed with meaningful code examples. I didn't use bit-bang mode with high-speed chips yet, but generally, I would assume that the timing is accurate within a single bit-bang sequence packet send to the controller.
1.Does the length of the can wires affect any calculation for bit timing? 2.Can any wires be used for can high & low? 3.How do you calculate the propagation delay?,In the mcp2515 datasheet the values are assumed and no formula is given for the calculation.
Hi, I am using Xilinx's "video timing controller ip" for my image processing pipeline/design. I have downloaded hardware evaluation license for the ip. I have implemented this along with other ip's. I am facing following issue 1) I am feeding input to this ip, but it's out is always 0. 2) To check whether this ip is alive, I tried to a
The problem refers to the timing of lcd functions which aren't shown in your post.
The core should have a ucf (constraint) file that has timing, io placement, and io standards. Did you include it in the project?
Well here may be a little helpful info.. I will post pics in a few my phone will not allow me to do so.. Supplied Voltage from battery is 4.22 Volts Fully Charged with voltage dropping to 3.9 in 4.0Min: Motor Amp Draw is 2.0 - 3.0 Amps adjustable threw motor timing: The Speed controllers On Resistance is between .0004 and .0003 The Speed Contr
for interfacing 24c16 with controller P89V51RD2 then you will need to use I2C protocol but this controller don't have inbuilt this protocol. so, you will need to design your own software I2C protocol. after refering datasheet of EEPROM then on base of timing diagram you can do it.


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