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STM32G030F6P6 TSSOP20 crystal oscillator?

MarkJordan
Associate II

As I understand, the TSSOP20 version needs an external oscillator instead of a 8MHz crystal connected directly to the MCU pins. Is that correct?

I'm asking because I have seen a board on AliExpress using this same processor with a 8MHz crystal.

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TDK
Guru

Correct, the TSSOP20 doesn't have an OSC_OUT which means it can't be hooked up to a crystal directly.

TDK_0-1722202518903.png

 

No clue what's going on with that board. Schematic doesn't seem available. Probably the crystal is not very useful on it.

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2 REPLIES 2
TDK
Guru

Correct, the TSSOP20 doesn't have an OSC_OUT which means it can't be hooked up to a crystal directly.

TDK_0-1722202518903.png

 

No clue what's going on with that board. Schematic doesn't seem available. Probably the crystal is not very useful on it.

If you feel a post has answered your question, please click "Accept as Solution".
BarryWhit
Lead II

Very curious. a schematic (could be typical AE misinfo) is available but shows no crystal

https://nl.aliexpress.com/item/1005005574646465.html

 

There's also a Baidu (Chinese Cloud drive) download link at the top of that page for a zip file of assets for that board, but it seems to be china only.

 

On at least one unrelated project, someone thought it was a good idea to connect a 16Mhz crystal to OSC32, I wonder if that's a clever hack or a *** mistake: hack.https://github.com/brunohoplite/stm32g030f6p6_evaluation_board/blob/master/PCB/Schematic_stm32g0f0_eval.pdf

 

Update: really?!? the word *** is censored? that's so ***ing ***. What a bunch of ***.

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