Electronics > Microcontrollers

$0.25 HK32F030M - Cortex-M0, 32MHz, 16KB flash, 2KB RAM (Actually 4KB!)

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bingo600:
I just ordered a few of these - TWen32F003
Initially i thought them to be RiscV, but i think the TWen32F003  is Arm Cortex.

I haven't succeded in getting any info on this MCU, not even a DS.
Anyone has it ??

/Bingo

DavidAlfa:
First step before buying anything is finding the docs!
If no docs or bad support, fly away!
But better you make a new thread for that MCU, doesn't belong here!
I will make a new thread for the PY32F002A when I start tinkering with - so should you with the Twen32 lol.

Anyways, didn't get the CH340 pin working as DTR for BOOT0 so I disconnected it and toggled manually.
Puya ISP worked beautifully, got the leds working in no time thanks to the existing example projects.

bingo600:

--- Quote from: DavidAlfa on June 30, 2023, 07:13:51 pm ---I will make a new thread for the PY32F002A when I start tinkering with - so should you with the Twen32 lol.

--- End quote ---

Roger that on the TWen32F003

May i ask why you didn't select the PY32F003 either in 6 (32K/4K) or 8 (64K/8K) - F003 is dual uart too
They even seem cheaper at LCSC.

Would you consider making a board for the F003 ...
I am "lousy" at PCB's



--- Quote from: DavidAlfa on June 30, 2023, 07:13:51 pm ---Puta ISP worked beautifully, gotcthe leds working in no time thanks to the existing example projects.

--- End quote ---
Do you have a link for that PUYA ISP ?
Does it run under linux ?

/Bingo

DavidAlfa:

--- Quote from: bingo600 on July 01, 2023, 06:51:52 am ---Would you consider making a board for the F003 ...

--- End quote ---
Actually the PY32F002 is the same. 2x SPI, 2x UART, PLL (48MHz), 4/32KB ... a great deal for 11 cents!
Otherwise, I'm not interested in the PY32F003/PY32F030, I can get a STM32 for a similar price.

Edit: PY32F002 stuff moved here:
https://www.eevblog.com/forum/microcontrollers/$0-11-py32f002a-m0-24mhz-320kb-actually-324kb-more-peripherals/

DavidAlfa:

--- Quote from: PCB.Wiz on June 23, 2023, 04:33:03 am ---
--- Quote from: man_anyone on June 23, 2023, 03:56:46 am ---Can you please test the HK32F030M on 5V?

--- End quote ---
I notice the HK32F030 links have all ceased to work on lcsc ?

--- End quote ---
Yeah, I noticed too! Also other parts I bough on my last order completely evaporated.
This is f** nuts, now I can't view the datasheet anymore!
Lesson learned: Download them before ordering!  |O

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