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12 lines
485 B
Plaintext
12 lines
485 B
Plaintext
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Issues:
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Serial Mux:
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- BI input for 7seg needs to be inverted
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- Pins for I2C addr selection use smaller pitch? Why?
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- Resistors for 7seg a bit large? Very dim leds, depends on the 7seg though
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SD Mux:
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- Add a reset jumper or btn for the STM32
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- Missing pull up on USB-DP (need 1.5kOhm pullup to 3.3V) https://www.st.com/resource/en/application_note/dm00296349-usb-hardware-and-pcb-guidelines-using-stm32-mcus-stmicroelectronics.pdf
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- only 1bit SDIO mode working (need to investigate)
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