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12048231 Rev. 00 (Draft)
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4.3. M.2 Key A Connector
Reference Designator: J16
Description
M.2 key A compliant socket connector with mounting holes to support card sizes 2230, 3030 and 3042.
The J16 provides PCIe and USB only (no DP, SDIO or UART).
Interfaces used
PCI Express port A (single lane)
USB 2.0 port 4 of the SMARC module
I2C (optional)
Mechanic
Mounting Holes to hold solder-in standoff for M3 screw in position for 30mm and 42mm card length
Default assembly at 30mm position
Connector drawing and contact-numbering scheme
Figure 12 M.2 Key A Connector
– J16
Pinout
PCIe and USB only (no DP, SDIO or UART), according to PCI Express M.2 specification revision 1.1
table 22 and 23
