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4.7. SATA 7-Pin Connector
Reference Designator: J20
SATA 7 pin male straight connector (Nexus 3504AFT)
Description
The J20 is a standard 7-pin L-shape SATA 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 M2.0 Key-M socket J19. See more details in chapter
“Functional Exclusives and Shared
Resources
”
.
Interfaces used
SATA Port 0
(shared with M.2 Key-M socket J19)
Connector drawing and contact-numbering scheme
Figure 16 SATA Connector
– J20
Pinout
J20
Pin
Signal / Function
Pin Type
Signal Description
1
GND
GND
Connected to ground potential of the PCB
2
SATA0_TX_P
O
pos. signal of the differential TX datapair
3
SATA0_TX_N
O DP
neg. signal of the differential TX datapair
4
GND
GND
Connected to ground potential of the PCB
5
SATA0_RX_N
I DP
neg. signal of the differential RX datapair
6
SATA0_RX_P
I DP
pos. signal of the differential RX datapair
7
GND
GND
Connected to ground potential of the PCB
