Giada NI-A20 User manual

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NI-A20
Thank you for choosing the NI-A20 Mainboard,The NI-A20 is based on Allwinner A20,ARM Cortex-
A7,ARM Mali-400 MP2,2*COM Port,1*LVDS,1*HDMI and 1*100Mbps delivers a high performance
and professional Nano ITX solution.
WARNING:
This motherboard contains static-sensitive components and should be handled with care. Failure
to employ adequate anti-static measures can cause partial or complete device failure, performance
degradation, or reduced operating life; even may damage the motherboard. To avoid electrostatic
discharge (ESD) damage upon handling this product, it is strongly recommended that you wear a
grounded wrist strap or other static dissipating device.
Remark:The picture shown in this document is only a model of our series
products, the actual object is subject to change depends on the model you
purchase.
Connectors and Jumpers: 1.SPKER1
2.MIC1
3.HD_SPDIF
4.BAT_CMOS
5.P2
6.J4
7.VGA2
Pin1-2 VOL+
Pin3-4 VOL-
PIN1-2 USB OTG
PIN2-3 USB Host
DC-IN TF HDMI RJ45 USB/OTG Audio
USB LED Power IR Receiver
Burn COM3COM2 SATARecover
Back View
Front View
Side View
19
LOCK
A
1
B
C
AC AB
AA
Y L D E F G
H
J K
M
N P R T
U
V W
23456789 10 11 12 13 14 15 16 17 18 19 20 21 22 23
12
18
19
29
36
5
4
11
9
A
N
9
1
A
N
9
A
N
9
1
A
2
-
+
L-
R-
L+
R+
+
14
1
-
+
1 3 5 7 9 11 13 15 17 19 21 23 25 27 29
2 4 6 8 10 12 1 4 16 18 20 22 24 26 28 30
OPEN
BATP1
BATN1
SIM_CARD
U607
U13
ANT2
ANT1
U1
U608
U15
Q11
U5
LED1
M3
M4 M1
M2
BT1
PBT1
HD-SPDIF
1
2
3
PH1
USB1
LAN
HDMI1 TF
PJ5 ATX1
J4
1
2
3
Mini_PCIe
VGA2
SIM
4
3
2
1
5
6
J9
1
3
2
4
56
HD1
IR_HD1
1
2
3
1
2
3
4
5
6
1234
USB3 J1
USB4 USB5
LVDS
1
2
3
4
SATA_PWR
1
2
3
4
1
SYS_FAN
2
3
4
P2
J5
1
2
BAT_CMOS
SPKER1
1
2
MIC1
RECOVER
1
4
3
2
1
5
6
J3
1
2
5
4
3
6
7
8
9
10
11
12
13
14
2
34
6
8
5
7
910
9
COM2
2
1
3
4
COM3
6.J4
4.BAT_CMOS
3.HD_SPDIF
2.MIC1
1.SPKER1
11.USB3
12.SYS_FAN
13.SATA_PWR
5.P2
16.J5
14.ANT2
18.J1
19.IR_HD1
20.LVDS
21.HD1
22.ANT1
10.J3
9.Mini_PCIe
8.ATX1
7.VGA2
17.COM2/COM3 23.J9
2
4
6
8
10
3
5
7
9
SATA
78
15.SATA
(MIC port)
(3 Pin SPDIF )
(RTC clock power supply)
(Speaker Volume control socket)
(USB OTG&HOST default USB Host)
(14 pin VGA )
1 SDA_VGA 2 SCL_VGA
3 VGA_DET_P(Need connect to GND) 4 VGA_VCC_F
5 GND 6 VGA_VSYNC
7 GND 8 VGA_VSYNC
9 GND 10 VGA_B
11 GND 12 VGA_G
13 GND 14 VGA_R
15 GND 16 GND

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8.ATX1
9.Mini_PCIe
10.J3
11.USB3
12.SYS_FAN
13.SATA_PWR
17.COM2/COM3
18.J1
20.LVDS
21. HD1
22.ANT1
23.J9
19.IR-HD1
14.ANT2
15.SATA
16.J5
(ATX Power)
(Only used for 3G module)
(USB2.0)
(2 pin SYS_FAN)
(SATA Power ,Max 12V)
( COM2 only supports Tx/Rx,CTS/RTS 4-wire communication;COM3 only supports Tx/Rx 2-wire
communication)
(default 1920*1080,5V power supply,Max 12V)
LVDS panel backlight control
interface, can fit in both 6-pin
socket. Output voltage is equal to
DC_IN voltage.
Default support for Dual channel 8bit, maximum resolution of 1920 x 1080, LVDS_PWR supply Min
3.3V ,Max 12V), default 5V power supply. Need to set HD1 jumper to adjust LVDS_PWR according
to LCD panel parameters.
(LVDS power supply jumper,default 5V)
LVDS_PWR supply jumper,Default 5V,
(Wi-Fi/Bluetooth Antenna Port)
(The front panel function interface)
(Infrared receiver connected pin)
(GPS Antenna Port.Need 3.3V GPS Active Antenna)
(2.5' SATA HDD)
3W Jumper 1-2 put ON
5W umper 1-2 take OFF
1 LVDS_PWR 2 LVDS_PWR
3 LVDS_PWR 4 GND
5 GND(Default) or SDA 6 GND(Default) or SCL
7 LVDSO_DN0 8 LVDSO_DP0
9 LVDSO_DN1 10 LVDSO_DP1
11 LVDSO_DN2 12 LVDSO_DP2
13 GND 14 GND
15 LVDSO_CLKN 16 LVDSO_CLKP
17 LVDSO_DN3 18 LVDSO_DP3
19 LVDSE_DN2 20 LVDSE_DP0
21 LVDSE_DN1 22 LVDSE_DP1
23 LVDSE_DN0 24 LVDSE_DP2
25 GND 26 GND
27 LVDSE_CLKN 28 LVDSE_CLKP
29 LVDSE_DN3 30 LVDSE_DP3
Pin1-2 3.3V power supply output
Pin3-4 5V power supply output
Pin5-6 12V power supply output
1 power signal (3.5~5V/50mA power)
2 power LED signal(5V 5mA)
3 state LED signal(3.3V 3mA)
4 power key signal(Internal week pull-up,Low Active)
5 GND
6 system reset signal ((Internal week pull-up ,Low Active)
(Only used for
IR burning.
Don’t use it without
special guidance
from Giada)