Chapter 3: Board Layout
20
J20
: set the Reset Mode as Hardware (HW) Reset or Software (SW) Reset. Default “short pins” are 2-3 as
Software Reset (1x3-pin 2.54mm 3P DIP).
J7
: Battery Pin Header
SATA1
: SATA Port, SMD Type
180° SATA Connector
CN1:
USB 2.0 Type-A ports in single form factor
CN2
: USB3.0 CONN
COM1:
RJ-45 console port for serial console
Pin
Description
Pin
Description
Pin
Description
1
HR_RST
2
BTN_RST_N1
3
SW_GPIO
Pin
Description
Pin
Description
1.2
HW reset
(Default)
2.3
SW reset
Pin
Description
1
BAT
_D
2
GND
Pin
Description
Pin
Description
1
GND
2
TX+
3
TX-
4
GND
5
RX-
6
RX+
7
GND
Pin
Description
Pin
Description
1
VCC 5V
2
D-
3
D+
4
GND
Pin Description Pin
Description
1
VCC 5V
2
D-
3
D+
4
GND
5
USB3_RX-
6
7
GND
8
USB3_TX-
9
5 6 7 8 9
4 3 2 1
4 3 2 1