microSD breakout board

Size

uSD cards is quite thin a 0.8mm laminate should be just fine (uSD cards is 1mm at it thickest place). A regular card is 11mm by 15mm, so a printout should be 11mm wide where the card get wider after the cuts on the side.

Pin desciption

Start counting from the cut corner.
uSDJZ4720
PinPortGPIOPin
1DATA2PD1279
2DATA3PD1378
3CMDPD0883
4VDDControlled by PD02 / pin 154
5CLKPD0982
6VSS/(GND)
7DATA0PD1081
8DATA1PD1180

Capacitance

8 strand 50mil pitch ribbon wire soldered to 50mil breakout board and a 100mil pin head (unused wires hanging in air).
LenghtD11-D12D11-D13D11-D08D11-VDDD11-D09D11-VSSD11-D10
20cm1.5pF1.5pF2pF2.5pF3pF4pF6pF

Files:

FilenameDescriptionLicenseUpdated
sd.svgLayout and shape(no rounded corners) of uSD in SVGCC BY-SA
legend.svgLegend in SVG for port names, so you know what you connect where.CC BY-SA
microsd.lbrEagle library with uSD card connectorCC BY-SA2010-09-02 14:11
ribbon.lbrEagle library with 50mil(1.27mm) pitch ribbon connectorCC BY-SA
breakout.schEagle scematics for breakout boardCC BY-SA2010-09-02 14:11
breakout.brdEagle board layout for breakout boardCC BY-SA2010-09-02 14:11
breakout_50mil.schEagle scematics for breakout board with 50mil padsCC BY-SA2011-01-27
breakout_50mil.brdEagle board layout for breakout board with 50mil padsCC BY-SA2011-01-27
50-100mil.schEagle scematics for 50mil to 100mil boardCC BY-SA
50-100mil.brdEagle layout for 50mil to 100mil boardCC BY-SA

Links:

KiCad library with uSD foot print, and more (by Werner Almesberger).
uSD pcb with LEDs, and software to controll them (by Werner Almesberger).

Images:

All images might not be listed here, take a look at the gallery for more.

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