GD32Hxx from Gigadevices - Page 1
Forum section: electronics / general

author: ali_asadzadeh
author_rank: Super Contributor
timestamp: June 29, 2025, 08:53:25 am
content: I was searching website and randomly step on their GD32Hxx (600Mhz) cortex M7 parts, and take a look at their reference manual, the good brief points I discovered was very good peripherals like Advanced DMA, 8 channel timers, Trigonometric Math Unit,8 uart capable of 37.5 MBits baud-rate, High-Performance Digital Filter, Filter arithmetic accelerator capable of doing fixed/float FIR and IIR and EtherCAT SubDevice Controller, this is for their GD32H75E.But did not find any price info or availability on resellers like lcsc etc.. what do you think about their usage and price info?

author: hgl10
author_rank: Contributor
timestamp: June 30, 2025, 02:20:24 am
content: It's on taobao for some time, at least in China. GD32H757VMT6 is 36yuan(5$, see pic bellow). 野火(embedfire, a reliable PCB manufacturer) has core boards on sale(https://doc.embedfire.com/products/link/zh/latest/mcu/gd32/ebf_gd32h7.html)

author: ali_asadzadeh
author_rank: Super Contributor
timestamp: June 30, 2025, 08:27:54 am
content: Thanks for the update, would you share the taobao store link, also what model is more popular and mor affordable?

author: hgl10
author_rank: Contributor
timestamp: June 30, 2025, 03:27:11 pm
content: GD32 taobao Link:https://detail.tmall.com/item.htm?id=845058459548&skuId=5626225257161Actually it's tianmao store(tmall, it's owned by taobao). The quality of products on Tmall is generally better than that on Taobao. I'm not sure if you can open this webpage, it's possible that the link to this Taobao store is only valid in China.GD32H757VMT6 is cheaper and sells more in this store. But I'm not really sure which one is more popular in reality. I haven't used the gd32 chip, so I dont have that much info to share.

author: hgl10
author_rank: Contributor
timestamp: June 30, 2025, 03:47:18 pm
content: Have you heard of the HPM series of chips (For example:https://www.hpmicro.com/product-center/microcontroller/hpm6e00)? They are more affordable and have more powerful performance, especially in the peripheral part. You can compare them with gd32.

author: ali_asadzadeh
author_rank: Super Contributor
timestamp: July 01, 2025, 11:24:11 am
content: thanks hgl10, you have helped a lot.Actually I want some new and affordable MCU for our product line new Update, Basically I want to be able to capture ADC samples without using interrupts and using only DMA, and I need to perform ton of calculations on the ADC data, I have explained the ADC capturing requirement in this thread,https://www.eevblog.com/forum/microcontrollers/capturing-spi-data-with-dma-with-esp32-and-ch32v307/msg5959325/#msg5959325I hope I could find something Power full enough to do it, the DSP involves FFT/FIR etc... on a real time budget too. so some advanced peripheral and DMA is need.So based on the specs what do you suggest?

author: ali_asadzadeh
author_rank: Super Contributor
timestamp: July 01, 2025, 11:24:47 am
content: QuoteThe link does not open, as you say it's for china only.

author: ali_asadzadeh
author_rank: Super Contributor
timestamp: July 01, 2025, 11:26:55 am
content: QuoteThey seems very interesting, what prices should I expect? any store to buy? what about the software and sdk?

author: hgl10
author_rank: Contributor
timestamp: July 01, 2025, 03:21:58 pm
content: Quote from: ali_asadzadeh on July 01, 2025, 11:24:11 amRP2350 seems to be a good fit. It has really powerful dma, and PIO is very powerful to interface HS ADC (and much simpler than FPGA). It has DSP and FPU extensions and can be overclocked. The only thing I'm not happy about RP2350 is the usb fs, it's just too slow. GD32H7, AT32F405, HPM (most of their MCU) etc all have USB HS (with PHY), and wch even has two mcu with USB 3.0 PHY integrated.I've used STM32H7 in the past and dont feel like it (I dont like HAL). there are some really cheap stm32h7 parts in taobao (or LCSC). Most STM32H7 dont have USB HS PHY. The performance is OK and RAM is big. But you need to be careful about the DMA (read bus matrix from the datasheet, it's really complex. DMA1/2 only work with RAM half the CPU frequency. you need to use cache to boost performance). the good thing about stm32h7: there are just so many learning resources (many step by step tutorials, the one I like best is:https://www.armbbs.cn/forum.php?mod=viewthread&tid=86980&extra=page%3D1).I hope GD32H7 is simpler to use than STM32H7. I dont have experience about GD32H7, so not much info to share here.I made a test board with HPM5361. I only tested it a little bit. the SDK seems really good. But I need to test more. I'll make a USB HS to CANFD board when I have the time.

author: hgl10
author_rank: Contributor
timestamp: July 01, 2025, 03:35:12 pm
content: Quote from: ali_asadzadeh on July 01, 2025, 11:26:55 amthey sell on hqchip (only some parts avaliable). for example, HPM6P31IPF1 (single core 600MHz) is 24 yuan (3.5$):https://item.hqchip.com/2500414967.htmlI dont know if you can open it or not.or you can always buy it on taobao:there are also core boards as well if you want to buy one to test:sdk seems good but I need to test more to share with you.

author: ali_asadzadeh
author_rank: Super Contributor
timestamp: July 02, 2025, 08:05:49 am
content: Thanks for sharing, Do you have access to datasheet and user manuals too? I could not find them, also I think HPM6750 seems more main stream, and It's a dual core with LCD support, what prices can I expect them?

author: hgl10
author_rank: Contributor
timestamp: July 02, 2025, 03:42:29 pm
content: it's on HPM's website(https://www.hpmicro.com/product-center/microcontroller/hpm6700). they are pretty open about sharing docs.you can find sample and buy link on their website too:I dont know if you can open the hqchip or not. for HPM6750IVM2 it's 60yuan, about 8.4$.

author: ali_asadzadeh
author_rank: Super Contributor
timestamp: July 03, 2025, 11:52:09 am
content: QuoteThanks for sharing, I can open the hqchip website, but the English version of thehttps://www.hpmicro.com/en/product-center/microcontroller/hpm6700website does not have any English user manual or reference manual.

author: ali_asadzadeh
author_rank: Super Contributor
timestamp: July 03, 2025, 11:54:44 am
content: QuoteCan you please test the SPI ADC scenario that I told (AD7606 or similar) to see if it can use only dam to receive the 8 cannel ADC data and generate a single interrupt after reading a fair amount of ADC samples.

author: hgl10
author_rank: Contributor
timestamp: July 03, 2025, 02:14:06 pm
content: Quote from: ali_asadzadeh on July 03, 2025, 11:54:44 amSorry. I'd like to help if I have the time. but I've been busy recently, working late every day. I probably won't have the time to write the test program. The HPM5361 project mentioned aboved has already been delayed for weeks for lacking time.As for the docs, AI translate is powerful nowdays, maybe you can give it a try.

author: ali_asadzadeh
author_rank: Super Contributor
timestamp: July 03, 2025, 08:33:26 pm
content: QuoteThanks, since Chinese docs is better than nothing, and AI translation would help too. if you make any progress on HPM5361 please share, since the part is very interesting.