26
Chapter 2
HARDWARE INSTALLATION
User's Manual |
M8MP553
J1 JTAG
X
Internal I/O Connectors
USB3_1/2
M.2
E
Key
1
2
5
6
Boot-CFG
For USB 2.0
Download Mode
2
10
USB2_3/4
LCD LVDS
1
2
5
6
I2C/
Touch (3.3V)
COM1/COM4
1
2
11
12
1
2
5
6
1
1
BATTERY
1
2
11
12
1
2
9
10
LED Backlight
SIM
1
2
5
6
Front Panel
Audio
DIO (5V)
FAN1
LAN 2
HDMI
LAN 1
COM3
1
2
5
6
USB2_1/2
JTAG
M.2
B
Key
DC-IN
1
2
5
6
SPI (3.3V)
1
2
39
40
1
2
39
40
Pin
Function
Pin
Function
1
MVDD_3V3
2
JTAG_TMS
3
GND
4
JTAG_TCK
5
GND
6
JTAG_TDO
7
GND
8
JTAG_TDI
9
GND
10
JTAG_RST#
The JTAG and debug connectors are used for debugging purposes.
BTJ1 Battery
X
Internal I/O Connectors
USB3_1/2
M.2
E
Key
1
2
5
6
Boot-CFG
For USB 2.0
Download Mode
2
10
USB2_3/4
LCD LVDS
1
2
5
6
I2C/
Touch (3.3V)
COM1/COM4
1
2
11
12
1
2
5
6
1
1
BATTERY
1
2
11
12
1
2
9
10
LED Backlight
SIM
1
2
5
6
Front Panel
Audio
DIO (5V)
FAN1
LAN 2
HDMI
LAN 1
COM3
1
2
5
6
USB2_1/2
JTAG
M.2
B
Key
DC-IN
1
2
5
6
SPI (3.3V)
1
2
39
40
1
2
39
40
External Battery
Connect to board
The external lithium ion battery supplies power to the real-time clock and CMOS memory as an
auxiliary source of power when the main power is shut off.
Safety Measures
• There exists explosion hazard if the battery is incorrectly installed.
• Replace only with the same or equivalent type recommended by the manufacturer.
• Dispose of used batteries according to local ordinances.
3.3V
2 1
GND