Data Sheet
13
4. Pin Assignments
4.1 Serial ATA Interface Connector
4.2 Pin Assignments
[Table 16] Pin Assignments
Word.
No.
Plug Connector Pin Definition
Signal
S1
GND
1)
2
nd
mate / Ground
S2
A +
Differential Signal A from Phy
S3
A -
S4
GND
1)
2
nd
mate / Ground
S5
B -
Differential Signal B from Phy
S6
B +
S7
GND
1)
2
nd
mate / Ground
Power
P1
NC
4)
P2
NC
4)
P3
DEVSLP
3)
Device Activity Signal
P4
GND
1)
1
st
mate / Ground
P5
GND
1)
2
nd
mate / Ground
P6
GND
1)
2
nd
mate / Ground
P7
5V
5V Power
P8
5V
5V Power
P9
5V
5V Power
P10
GND
1)
2
nd
mate / Ground
P11
DAS
2)
Device Activity Signal
P12
GND
1)
1
st
mate / Ground
P13
NC
4)
P14
NC
4)
P15
NC
4)
Note:
1) For SATA 2.5 inch SSD, these pins are connected to GND internally.
2) Device Activity Signal / Disable Staggered Spin-up
3) Device Sleep is an input pin. If driven high, the host is informing the SSD to enter a low power state.
4) NC means the SSD does not connect to these pins internally.