New handheld touch DSO, Fnirsi 2C53P, claimed 50MHz/250MSps (April 2024) - Page 1
Forum section: electronics / testgear

author: tunk
author_rank: Super Contributor
timestamp: April 08, 2024, 07:05:17 pm
content: - dual channel- 4.3" 480*272 touch display- 50MHz, 250MSa/s- 10mv/div - 10v/div- 10ns/div - 10s/div- storage depth up to 64kByte- signal generator: sine 10MHz, other 3MHz, 0.1-3.0V, duty cycle 0-100%- digital multimeter- 4000mAh lithium battery, type-C USB- size 145x98x35mmManual:https://img.wqdres.com/res/0/20240314/43cc9b1cc9ee47d5a7759b015dcd415e.pdf

author: tunk
author_rank: Super Contributor
timestamp: April 30, 2024, 06:44:07 pm
content: Starting to show up at aliexpress for $105 (a bit too much?):https://www.aliexpress.com/item/1005006907937828.html

author: csuhi17
author_rank: Frequent Contributor
timestamp: April 30, 2024, 09:05:56 pm
content: It looks a bit better, I'm not saying it's great, but if it's really going to be around $100, worth it.And of course if the parameters are real.We know how Fnirsi tends to lie and talk big.64kByteis only 8k points.Which is not visible from the picture.It has persistence mode 1s and infinite.math function, basic operations between two channels.I would like to know what they thought about the data saving function in the multimeter mode.The display could have been a little bigger, at least 6", then it would be better.

author: BrokenYugo
author_rank: Super Contributor
timestamp: May 01, 2024, 01:39:32 pm
content: That they bothered including 20MHz bandwidth filters is nice. Compared to something like the DSO 2512G this seems like a better deal if the firmware is functional.

author: csuhi17
author_rank: Frequent Contributor
timestamp: May 04, 2024, 06:48:33 am
content: The above link is already live, allowing orders to be sent to Hungary.For the math function, what can be "-1, -2, |1|, |2|" what can it be used for?

author: pcprogrammer
author_rank: Super Contributor
timestamp: May 04, 2024, 07:04:58 am
content: Quote from: csuhi17 on May 04, 2024, 06:48:33 amIt supports maybe a third trace with the outcome of:ch1 + ch2ch1 - ch2ch1 * ch2ch1 / ch2inverse of ch1inverse of ch2The |1| I'm not sure about. Maybe absolute value or average?The specs for the scope might be correct though. Using overclocked ADC's it can do 250MSa/s and the 64Kbyte as total sample memory might be accurate depending on the FPGA used in the thing.Fun toy, yes, but worth the price it is selling for, don't think so. For me at the moment 123,27 euro.

author: csuhi17
author_rank: Frequent Contributor
timestamp: May 04, 2024, 07:27:03 am
content: It will depend on its performance, it is possible that it will be a match for the owon HDS42s if it meets the expectations.250Ms/s is not much, but it does not say whether it is halved when using two channels.For some, even that will be a lot.Just don't have another 1013d/1014d series.I look forward to the tests with great interest.I would cry if the |1| would meanIt would turn an AC sine signal into a full-wave rectified sine.

author: csuhi17
author_rank: Frequent Contributor
timestamp: May 05, 2024, 07:14:16 am
content: I found a test on the Internet, only a few pictures and text.I managed to interpret it in such a way that the first series may have some physical problem, and whoever bought it just now will most likely have to return it.https://www.mydigit.cn/forum.php?mod=viewthread&tid=451205

author: Aldo22
author_rank: Super Contributor
timestamp: May 05, 2024, 10:04:20 am
content: Do you really need so many "counts" with a DC accuracy of 0.5%+3?The good old cheap AN870 has 0.05%+3, so the "counts" make more sense.It's always a bit the same with these many new scopemeters:They are neither particularly good (handheld) scopes, nor particularly good meters.And they are not really cheap either.

author: tunk
author_rank: Super Contributor
timestamp: May 10, 2024, 04:02:04 pm
content: Firmware update, May 10th 2024 (app+FPGA):https://www.fnirsi.com.cn/download/digit

author: csuhi17
author_rank: Frequent Contributor
timestamp: May 10, 2024, 06:15:14 pm
content: I'll upload some more pictures later.My first impression of the device before I even turned it on.Good packaging, feels good in the hand, odorless.After switching on, the image is good, the display is clearly visible.After I started some basic tests.My feelings: Uhh, ah,

author: pcprogrammer
author_rank: Super Contributor
timestamp: May 10, 2024, 07:43:24 pm
content: I see an Anlogic FPGA, a MTX2088 ADC, but can't see the processor. Is it hidden under the shield?With only the one ADC chip it is at max 250MSa/s on only one channel. 125MSa/s at best when both channels are enabled.

author: csuhi17
author_rank: Frequent Contributor
timestamp: May 10, 2024, 07:48:55 pm
content: I forgot.

author: pcprogrammer
author_rank: Super Contributor
timestamp: May 10, 2024, 07:51:10 pm
content: Still no processor.Could they have done it all in the FPGA I wonder. The eagle 4 series has more capabilities, but still.Edit: I guess they did. See:https://www.cnx-software.com/2018/09/04/licheetang-anlogic-eg4s20-fpga-board-targets-risc-v-development/andhttps://github.com/Edragon/Datasheet/blob/master/EG4S20_DataSheet_V1.4.pdf

author: csuhi17
author_rank: Frequent Contributor
timestamp: May 10, 2024, 07:57:43 pm
content: I can't prove it, because the usual method doesn't work for this waste.The single trigger does not work with a fast time base.if I pause it, I can't zoom in on it more than a certain time base.There is a problem with the low frequency, I think it is physical and not software.I haven't gotten to the DMM and signal generator part yet, I need to take a break to calm down.maybeIt is possible that the processor is at the bottom of the board, I did not remove it.There is 12.8 MB of space for images and the update, which is also deleted after the update.a few pictures.Square signal 1Hz 10Hz 1kHz 5Mhz and 10MhzAt 10Hz you can see what the single trigger looks like, this was the best picture out of my 10 attempts. Some had no sign at all.

author: csuhi17
author_rank: Frequent Contributor
timestamp: May 10, 2024, 09:18:55 pm
content: A little comparison with the Owon HDS272.I am not uploading a picture of Fnirsi, in the case of two channels or with BW limit turned on, because the signal has not changed at all.I forgot to mention that I used a BNC-BNC cable with a 50 Ohm termination on the scope side.To be safe, I also checked with Rigol, the signal was a nice square with 50% noise.

author: Aldo22
author_rank: Super Contributor
timestamp: May 10, 2024, 10:50:52 pm
content: @csuhi17Do I understand correctly that it cannot measure the frequencies at 5MHz and 10MHz?Edit: For comparison 20MHz square from DSO2512G

author: csuhi17
author_rank: Frequent Contributor
timestamp: May 11, 2024, 04:23:41 am
content: In the pictures above, I focused on the shape of the wave.There is a problem with the other frequencies, it seems.I compared the two devices with the square wave so that I could see the difference between the "250MSa/s" Fnirsi and the 250MSa/s Owon, otherwise I can't even estimate the real sampling speed.The Single trigger does not work, it captures signals randomly.Sometimes the square signal resembled something like an EKG.The four images below are the same square wave. 500mVpp 5MhzA little problem between 80nS and 200nS time base

author: csuhi17
author_rank: Frequent Contributor
timestamp: May 11, 2024, 04:46:40 am
content: 1mh 43rd month 13A 1 MHz signal needs 4 samples on the display to measure the frequency correctly.13 for 3Mhz.My other instruments can tell the frequency from one period.It measures the 5 MHz frequency as 425.24 kHz, 8 periods are not enough for it.This made me cry. the math operation has "-1" that's ok. there is inversion on the other scopes as well.But the |1| well. for what?There is a change in amplitude for the two time bases, I don't understand why. 40ns-20nsThe highest frequency I could measure with it is 10Mhz, but it takes 44 periods to calculate it.This is worse than the 1013D-1014D series.

author: Atlan
author_rank: Frequent Contributor
timestamp: May 11, 2024, 05:58:43 am
content: You are unteachable. What did you expect from fnirsi?

author: csuhi17
author_rank: Frequent Contributor
timestamp: May 11, 2024, 06:38:55 am
content: Quote from: Atlan on May 11, 2024, 05:58:43 amI was hoping that they wouldn't lie about this weak device. My brother needed a small basic scope, he tried everything I have and it didn't work for him. A simple electrician, he needs a few basic things. I thought that if it knows what they wrote about it, especially since they mentioned the separate memory in it, then it will be fine. But this is the last one. I'll write to them, and I'll see what they answer... Unfortunately, I don't have time to deal with it now, the controller just arrived for the engine.When I apply 500mVpp sine to the input and set an offset for it, it appears for a moment that the signal jumps.But he came right back after that.It's like being in AC coupling all the time.If the Sine signal is slow, its amplitude is apparently smaller.528mVpp at 1Khz75mVpp at 1Hz7.5mVpp at 100mHzThis is much worse than the 1013d-1014d series.Everyone stay away from Fnirsi oscilloscopes.I hoped that after DPOX180H the quality would only go up, but no.

author: csuhi17
author_rank: Frequent Contributor
timestamp: May 11, 2024, 06:28:57 pm
content: The bottom looks like this.From up to downEA3036C 3Y6DEM??U74HC4053G-P16-RGS8092

author: pcprogrammer
author_rank: Super Contributor
timestamp: May 11, 2024, 07:42:37 pm
content: It looks like it is using a separate processor, but which one that is again the question.By the looks of it the 64 pin chip is connected to the display and via the two resistor packs to the FPGA. So maybe they moved away from the Allwinner controllers to something cheaper or newer.

author: csuhi17
author_rank: Frequent Contributor
timestamp: May 13, 2024, 06:43:28 am
content: The low frequency distortion was because the coupling was somehow stuck in AC mode.I switched it to DC to no avail.OK after switching several times.1Vpp sine wave:Good up to ~32.5Mhz with 1 channel750mVpp at 40Mhz and 340mVpp at 50Mhz.good up to ~18Mhz with two channels756mVpp at 35Mhz and 370mVpp at 50MhzThe single trigger only works with 2uS and above, not with a faster time base.Fnirsi also confirmed this...when you pause it and set it to a faster time base, the wave does not change on the display, you cannot pull the wave apart. Fnirsi has not yet given an answer to this.I played with it a bit, but I couldn't find the 64K memory, compared to the HDS272s, which only has 8k...It can be similar to 1013d and 1014d.The part of the multimeter is semi-usable, I did not find a "relative" function in it, not for any measurement.Similar in accuracy to Owon DMMs.I like the trend graph. It lasts 1 minute and 25 seconds.Its signal generator can be used, but at higher frequencies it mixes in a little DC offset.There are still many problems with this, I hope Fnrisi will not approach it like the previous one, releasing two updates and then trashing it.However, some of the controls are very annoying.

author: Aldo22
author_rank: Super Contributor
timestamp: May 13, 2024, 08:03:57 am
content: Quote from: csuhi17 on May 13, 2024, 06:43:28 am"kByte" is not the same unit as "kpts".Confusing, but at least they named it correctly this time.Others write 64k, so you can only guess.

author: csuhi17
author_rank: Frequent Contributor
timestamp: May 13, 2024, 08:39:55 am
content: Quote from: Aldo22 on May 13, 2024, 08:03:57 amI'm a bit confused by this.Is 1ps not 1 byte for an 8-bit oscilloscope?So 64kbyte is not equal to 64k samples?I no longer know for which scope it was written as 128kBit, I knew that it was only necessary to divide by 8 for that type.

author: Aldo22
author_rank: Super Contributor
timestamp: May 13, 2024, 09:00:23 am
content: Quote from: csuhi17 on May 13, 2024, 08:39:55 amYou're probably right, I confused it with kBit myself.But of course it's still true that it's not the same unit in principle.You can see that if the scope has more or less than 8bit vertical resolution (or ADC? There is a trap everywhere...)

author: pcprogrammer
author_rank: Super Contributor
timestamp: May 13, 2024, 11:00:45 am
content: Quote from: csuhi17 on May 13, 2024, 08:39:55 amFor the 1013D and 1014D it specs 240Kbit which is not even correct since it uses only 4KByte per channel of which only 3Kbyte is effectively used. So of the available 240Kbit in the original FPGA (The Altera one) only 8192 bits are used for storing the samples.

author: UniSoft
author_rank: Frequent Contributor
timestamp: May 14, 2024, 07:07:04 am
content: Quote from: pcprogrammer on May 10, 2024, 07:43:24 pmThis is Dual Channel 8-bit, 100Msps ADC... (analog AD9288)datasheetQuote from: pcprogrammer on May 10, 2024, 07:43:24 pmMCU is on bottom side, and it is Synwit SWM34SRET6datasheet

author: pcprogrammer
author_rank: Super Contributor
timestamp: May 14, 2024, 08:55:42 am
content: Quote from: UniSoft on May 14, 2024, 07:07:04 amHow did you find the MCU make and model? On csuhi17 his pictures the marks on the chip are removed.The ADC is most likely the same as used in the 1013D, 1014D and some of the other scopes FNIRSI makes. They can be overclocked but have not tried it myself, because it would require reprogramming the FPGA in the scopes I have. There we assumed it to be the AD9288 or a clone of it, but the markings have been removed, until now in this one where it is still there.I wonder why they choose the bigger FPGA for this scope, instead of the most likely cheaper ones used in the other scopes.

author: UniSoft
author_rank: Frequent Contributor
timestamp: May 14, 2024, 04:40:27 pm
content: Quote from: pcprogrammer on May 14, 2024, 08:55:42 amYes, the marks was removed but not complete (not deep enough), and still can see the mark.drop of alcohol makes the magic

author: tunk
author_rank: Super Contributor
timestamp: May 16, 2024, 10:35:32 pm
content: A long and thorough youtube review by ElectroBananas:https://youtu.be/03tuX4vN9GEScreen dumps from the video:

author: DaneLaw
author_rank: Frequent Contributor
timestamp: May 17, 2024, 03:31:58 am
content: Quote from: UniSoft on May 14, 2024, 04:40:27 pmWhat's the name of this handheld camera-based magnifying glass?

author: tautech
author_rank: Super Contributor
timestamp: May 17, 2024, 04:36:24 am
content: Quote from: DaneLaw on May 17, 2024, 03:31:58 amGurgle image search finds it on Amazon and AliExpress:https://www.aliexpress.com/item/1005006652751189.html?gatewayAdapt=4itemAdapt

author: DaneLaw
author_rank: Frequent Contributor
timestamp: May 17, 2024, 05:29:57 am
content: Quote from: tautech on May 17, 2024, 04:36:24 amRoger thatthx.Looks to be quite a span between the offerings, from around 16 to 60 bucks € (incl. EUVAT) with more or less identical hardwarehttps://www.aliexpress.com/item/1005006741973129.html?// perhaps there are hardware differences, as some do claim 100x while others 50x - but these x-magnifying ratings on cheap Chinese gadgets are usually as informative as putting your tongue out the window, in the hope of landing the daily news.Though, It could be handy, such a small self-contained handheld-magnifying lup, if it doesn't drain its battery too fast while in limbo.- time will tell.. took the plunge on one as it could also be a gift for my elderly mom, who often have issues reading small text.

author: tunk
author_rank: Super Contributor
timestamp: June 11, 2024, 12:21:21 pm
content: A video review by Kerry Wong, summed up as: Very disappointing,notrecommended.https://youtu.be/W9v-gkCJYGI

author: tunk
author_rank: Super Contributor
timestamp: June 12, 2024, 08:33:23 pm
content: A video review by Learn Electronics Repair, summed up as: Cannot trust what you see on the screen.https://www.youtu.be/NjtfyVPaW70

author: Seekonk
author_rank: Super Contributor
timestamp: June 15, 2024, 09:09:22 pm
content: Anyone tried the 1.7 update yet?

author: csuhi17
author_rank: Frequent Contributor
timestamp: June 16, 2024, 10:14:54 am
content: Quote from: Seekonk on June 15, 2024, 09:09:22 pmI tried it, but I didn't notice any significant changes.Among the compressed files of the update, there is a text file, which describes which errors have been fixed.I didn't notice any changes on the trigger, it's the same garbage.

author: Dave_g8
author_rank: Regular Contributor
timestamp: July 03, 2024, 03:30:22 pm
content: Hi,I see that changes are being made to the FPGA as well as the firmware.It will be interesting to see if the issues eventually get resolved.APPV1.7+FPGAV1.51. Modify the oscilloscope probe ratio from not saving when powering down to saving when powering down.2. Fix multimeter curve display bug3. Modify the conditions for the multimeter’s buzzer to sound4. Optimized triggering

author: Seekonk
author_rank: Super Contributor
timestamp: July 30, 2024, 08:42:34 pm
content: 1.7 still doesn't include 100X probe setting. I was testing some resistors. When I got to the fourth it read infinity. tried everything, had to power down. On the meter max/min, I got volts for the high and ohms for the low. Can't see the scope has improved. AUTO seems to always come up right. Get too far from that and it is a random image generator. How did they think it wouldn't be noticed.

author: Piton
author_rank: Regular Contributor
timestamp: August 09, 2024, 07:49:45 am
content: Hello. I recently received this device - a complete disappointment. Maybe I got one like this, but it has problems. The problem is with the second channel: noise appears at certain values ​​of the sweep in the middle position of the beam, when the generator is turned on, starting from a frequency of 5-10 MHz and higher, the signal goes directly to the second channel, the higher the frequency, the higher the level of this signal, the frequency meter does not work correctly, you need to turn the channel on and off so that the correct readings appear. Firmware 1.8.? - I don't remember the last digit exactly. It is not on the site, the last one is 1.7. I tried to reflash it - it does not want to, apparently it is not possible to flash it to the previous ones. Opened a dispute, the Chinese guy promised to return $25

author: csuhi17
author_rank: Frequent Contributor
timestamp: August 09, 2024, 09:08:35 am
content: I think that is very little.This device is not even worth 50 USD in my opinion.The first channel of my copy is unusable, the second one is okay, but since it has a lot of bugs, it is lying on my desk like a paperweight.Not at the bottom of the closet, because it is a good example for me to buy a Fnirsi device only if I have already seen proof that the given device is stable and good.On youtube, I don't understand why they mislead the masses, respect for the exception, Kerry Wong.Few people test it normally, and many are obsessed with "Funcation"....But I think this is just as bad as 1013D/1014D.I didn't test the bug you brought up because I dropped the whole thing after a quick test of CH1.Then when a normal update comes out, I'll take it out as soon as possible.The update consists of two files, there is the APP and the FPGA.What you find on the site is old, I don't think it will solve your bug, or at least you will generate more bugs with it.My firmware: APP v1.7, FPGA V1.5

author: Piton
author_rank: Regular Contributor
timestamp: August 09, 2024, 01:35:18 pm
content: From the external generator everything is more or less normal, it shows the frequency correctly from 20 Hz, but the amplitude is slightly overestimated, and there is a difference in the readings by channels, the second one overestimates more than the first one. Well, there is still a faint hope for a new firmware.

author: csuhi17
author_rank: Frequent Contributor
timestamp: August 10, 2024, 07:01:00 am
content: Both channels are wrong for me, but CH1 more so.The error is greater when measuring a higher frequency.Approximately: CH1=+5%-20% and CH2=+5%-10%The measurement of the CH1 frequency at a higher frequency is completely wrong, it cannot count.Curosr and Calculation do not work at the same time.The BW limit does not work, so if you want to measure the height of a square mark, you have to use a cursor.There is a phenomenon when you set a time base and the measured voltage increases significantly for one of them. Not always.Normal or single trigger does not work in the faster time base. Under 2us.There are many trigger bugs.I tried to trigger a rare 1Hz and 500us wide pulse with it in a 200us time base, but it didn't work.There are more, but I can't remember them now.Have you experienced something similar?I also hope that they fix it, unlike their previous scopes.

author: Piton
author_rank: Regular Contributor
timestamp: August 11, 2024, 04:08:48 pm
content: I checked by frequency, both channels measure correctly up to 67 MHz. Single trigger also works up to 2 µS, I couldn't check 1 Hz, my generator gives only 10 ms. If you set 50%, signal distortion appears (ladder), you need to shift the trigger level, 100 pF capacitance shows about 30.

author: Hootis Tigglebits
author_rank: Contributor
timestamp: August 19, 2024, 07:22:55 pm
content: All I could find was 2C53P_V1.7 on their site which has APP 1.7 and FPGA 1.5. I dont even know where to find which version of them I have. In settings and about it says V1.8.2.2.Maybe I’m missing something, but is the only way to set the trigger voltage is by using the small triangle on the right edge of the screen?Update: While playing with this toy some more it locked up. The only way I could turn it off www to hold the reset button. 🤦‍♂️

author: battlecoder
author_rank: Regular Contributor
timestamp: September 21, 2024, 06:08:37 pm
content: Quote from: Hootis Tigglebits on August 19, 2024, 07:22:55 pmI'm a bit late to the party, but I also noticed this. My device says 1.8.2.2 but the highest firmware available online is 1.7. Considering that the changelog says that saving the probe ratio was implemented in v1.7 mine must be AT LEAST v1.7 (because it saves that setting).I really wanted to like this device. I love the form factor and how stable it sits on the bench. The graph in multimeter mode is actually nice, and the frequency generator works "ok" (has some crossover distortion, but the fact that the amplitude can be changed is nice for testing small amplifiers and whatnot).But the oscilloscope is terrible. The refresh rate is slow, and the trigger is very inconsistent. Sometimes dragging the trace vertically changes whether it triggers successfully or notI've also noticed that when using the auto trigger on a series of digital pulses, there's no way to scroll *before* the signal starts (doesn't seem to capture before that), but when I use normal trigger I can suddenly see a bit of the signal before the pulses. Also: The 20 MHz bandwidth limit also doesn't seem to have any effect. I could be here all day talking about weird inconsistencies in this device.Quote from: csuhi17 on May 11, 2024, 06:38:55 amSame. The DPOX180H is not *bad*. Definitelynotperfect, but at least pretty usable. I've tried some glitch signals (from a training demo app) on all the scopes I have, and the DPOX180H performed well. The 2C53P? Missed every single glitch and struggled to trigger in even the most basic examples.

author: BBAAHHOO
author_rank: Contributor
timestamp: October 04, 2024, 12:23:31 pm
content: Hi. Can someone read the firmware from the processor (dump)? And post it here? I have a problem - the pictures disappeared when turning on. I wrote the firmware to the memory - it did not help.

author: UniSoft
author_rank: Frequent Contributor
timestamp: January 10, 2025, 05:18:24 am
content: Quote from: BBAAHHOO on October 04, 2024, 12:23:31 pmPictures are stored in a serial flash W25Q128JVIf someone need here is a dumpPS: You can open a binary file (W25Q128JV.bin) in 7-Zip, and view/extract files.

author: dibu
author_rank: Contributor
timestamp: May 04, 2025, 11:32:39 am
content: does this mcu have internal sdram? is there an english datasheet?

author: UniSoft
author_rank: Frequent Contributor
timestamp: May 05, 2025, 06:04:51 pm
content: Quote from: dibu on May 04, 2025, 11:32:39 amyes.Flash: 512KBSRAM: 64KBSDRAM: 8MBQuote from: dibu on May 04, 2025, 11:32:39 amsure,https://mega.nz/file/oxMRRSSI#RT7zHgXprQBgZaJuXuojR2FNmG_BRscAwH2ZkOAz8uI

author: dibu
author_rank: Contributor
timestamp: May 06, 2025, 08:19:54 am
content: ThanksI will be buying this next, it looks like a good toy to mess with...I like this idea of having stacked sdram on chip, i wish western chips would also have this, it simplifies things a lot.

author: Giuss
author_rank: Contributor
timestamp: May 06, 2025, 08:11:30 pm
content: What do you think of this scope compared to the ZOYI ZT-703S ?

author: dibu
author_rank: Contributor
timestamp: May 07, 2025, 05:30:15 pm
content: I like this one better, I just ordered it.This one is more open, it is clear what components are used here, not much is known about the zoyii feel you get more for your money hw wise, you have a dedicated fpga for the samplingfor the uknown mcu to do everything in case of zoyi seems too much, better architecture in case of fnirsithis one being more open and even the pcb clearly labeled for the jtag and swd ports for mcu and fpga is a clear win for me.if i would just add the cost of components in the form of development boards displays and such it would cost more.it seems to be a step up from the 2c23t, same developer?

author: dibu
author_rank: Contributor
timestamp: May 08, 2025, 05:37:53 pm
content: does anyone know if the EG4S20BG256 fpga has internal SDRAM?In the spec it says something about EM SDRAM 2Mx32bit (em = embedded?) it is not very clear.Also if it has so much ram why not use it in this device? Could have a lot larger sample memory

author: pcprogrammer
author_rank: Super Contributor
timestamp: May 08, 2025, 05:56:36 pm
content: Quote from: dibu on May 08, 2025, 05:37:53 pmWhich specs are you referring to?Here is a link to the Anlogic EG4 product page:https://www.anlogic.com/en/product/fpga/saleagle/eg4It shows that the EG4S20BG256B does not have the internal SDRAM. It does have 1088kbit of block ram which gives 136kbyte of 8 bit sample memory.

author: dibu
author_rank: Contributor
timestamp: May 08, 2025, 06:22:54 pm
content: but this is the the B sufix variant tho, the one without the B does appear to have embedded sdram, i have found also other references to it, and also it appears in the ip generator when i select this devicehttps://github.com/kprasadvnsi/Anlogic_Doc_English/blob/master/EG4S20_DataSheet_V1.5_english.pdf

author: pcprogrammer
author_rank: Super Contributor
timestamp: May 08, 2025, 06:44:50 pm
content: Quote from: dibu on May 08, 2025, 06:22:54 pmYes, you seem to be on to something. Strange thing is that in the IDE "Anlogic TD 5.0.3 64-Bit" the B version is not available.If you have the scope with the non B version of the FPGA, you can try to create your own design and see if the memory is actually there. You do need a programmer for the Anlogic JTAG interface though, but you can make it with a blue pill. See here for more on this:https://github.com/pecostm32/Lichee_Nano/tree/main/Hardware/Anlogic_JTAG_Programmer

author: dibu
author_rank: Contributor
timestamp: May 08, 2025, 06:56:04 pm
content: Quote from: pcprogrammer on May 08, 2025, 06:44:50 pmThanks, wish i had known this before buying the programmer too, does this work with the Anlogic tools?I don't have the scope just yet but in the picture posted by csuhi17 it is clearly the non B version, are there B version variations out there? (could it be the B version without being marked as such? otherwise why not use it?)

author: pcprogrammer
author_rank: Super Contributor
timestamp: May 09, 2025, 05:36:26 am
content: Quote from: dibu on May 08, 2025, 06:56:04 pmYes, I have used it while playing with the 1013D FPGA and the development board with an AL3-10 FPGA on it.Quote from: dibu on May 08, 2025, 06:56:04 pmThe latter is a very good question, and based on what I saw when reverse engineering the 1013D FPGA, I would say due to lack of knowledge.To make use of SDR SDRAM a memory controller is needed and careful managing of data has to be done to allow the full speed to be reached. Things like double buffering and proper synchronizing of signals between clock domains are needed.Another question one might ask themself is why there is no non B version listed on the Anlogic website anymore. Most likely it is due to them not making it any more. This would also mean that new versions of the scope might come with the B version of the FPGA.The 1013D switched to using another FPGA because the AL3A10LG144 is no longer available, so the same might have happened here.Also keep in mind that the additional memory is not on the same silicon as the FPGA. It is a separate die added with bond wires.

author: UniSoft
author_rank: Frequent Contributor
timestamp: September 10, 2025, 09:10:10 pm
content: Released Update2C53P Firmware V1.10.zip (latest)https://www.fnirsi.com/pages/manuals-firmwaresQuote

author: Evi
author_rank: Regular Contributor
timestamp: September 11, 2025, 03:46:23 pm
content: Цитата от csuhi17,сегодняв 16:46:54>To update, you need to delete the "2C53P_" part from the file names>NOT AT ALL!!!

author: Evi
author_rank: Regular Contributor
timestamp: September 12, 2025, 04:39:11 pm
content: Update works fine without changing filenames.I guess, Fnirsi knows better than you.

author: csuhi17
author_rank: Frequent Contributor
timestamp: September 19, 2025, 10:48:12 am
content: Yes you are right..."Hi, dear friend; this issue is related to the device batch/version. Please try upgrading to this firmware version and see if it resolves the problem.(Because the 1.10 firmware version is compatible with newer device batches)"

author: csuhi17
author_rank: Frequent Contributor
timestamp: September 20, 2025, 01:30:55 pm
content: Quote from: UniSoft on September 10, 2025, 09:10:10 pmi remove my previous comments, I hope no one did it after me.There are two versions of the device, the firmware is not good for the older device, if someone updates it, the trigger will completely crash.I managed to get the old version from a store on aliexpress, because Fnirsi has not responded to any of my emails to this day.https://www.mediafire.com/file/e0pnpmu0xq4md4p/2c53p-1.7.zip/fileIf someone updates the FPGA file on the old version to the newer one, the trigger will be completely unusable.The latest one for V0.0.0https://www.mediafire.com/file/9e4fttvdc5mmden/2C53P_HW_V0.0.0.zip/file