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Results tagged with raspberry-pi
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user 5563
The Raspberry Pi is a credit-card sized computer that plugs into your TV and a keyboard. There have been several generations of the device with improved performance, more memory, and more connectivity. This tag should be used for electrical engineering questions that involve the use of a Raspberry Pi. For questions about the Raspberry Pi itself see the Raspberry Pi specific forum (raspberrypi.stackexchange.com).
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Raspberry Pi CM4 SD card breakout
I am designing a carrier board for the RPi CM4 Lite (no eMMC) and having trouble understanding the documentation.
The CM4 proved a SD_PWR_ON and SD_VDD_override signal defined as:
The SD_PWR_ON signa …
- 533
1
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Raspberry Pi CM4 SD card breakout
I can confirm now that the SDcard works fine with Vdd supplied directly from 3.3V without any power switching logic. The SD_VDD_override and SD_PWR_ON pins to the CM4 module are left unconnected on my …
- 533
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1Gbps serial bus length matching
How tightly should trace lengths be matched for a 1Gbps serial databus? It seems to me that 100ps (15mm) should be more than sufficient. However:
The Raspberry Pi Computer Module 4 (CM4) datasheet sta …
- 533