32
12048231 Rev. 00 (Draft)
DATA MODUL AG | www.data-modul.com
Pinout
J17
Pin
Signal / Function
Pin Type
Signal Description
C1
UIM_PWR
Power
Device power (provided by M.2 Key B device)
C2
UIM_RESET
I
Device reset
C3
UIM_CLK
I
Data clock
C5
GND
GND
Connected to ground potential of the PCB
C6
n. c. (optional UIM_PWR)
NC
not connected
C7
UIM_DATA
IO
Data Line
DETECT1 UIM_SIM-DETECT
O
Device presence indication
DETECT2 GND
GND
Connected to ground potential of the PCB
4.6. M.2 Key M Connector
Reference Designator: J19
Description
The J19 is a standard M2.0 Key-M connector, which provides SATA0 interface of the SMARC module. The data
transfer performance is depended on the SATA controller of the SMARC module. The SATA0 interface is shared
with 7-pin L-shape SATA connector J20. See more details in chapter
“Functional Exclusives and Shared
Resources
”
.
Interfaces used
SATA Port 0
(shared with 7-pin SATA socket J20)
Pinout
SATA according to PCI Express M.2 Specification Revision 1.1 table 33
Mechanic
Mounting Holes to hold solder-in standoff for M3 screw in position for 42mm card length
Connector drawing and contact-numbering scheme
Figure 15 M.2 Key M Connector
– J19
