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Chapter 2 Hardware Installation
Chapter 2
The lithium ion battery powers the real-time clock and CMOS memory. It is an auxiliary source
of power when the main power is shut off.
Safety Measures
• Danger of explosion if battery incorrectly replaced.
• Replace only with the same or equivalent type recommend by the manufacturer.
• Dispose of used batteries according to local ordinance
.
Battery
COM2
COM1
Battery
LPC Connector
2
1
12
11
The LPC connector is used for the debug function and its pin functions are listed below.
Pins
Pin Assignment
Pins
Pin Assignment
1
CLK
2
LAD1
3
RST#
4
LAD0
5
FRAME#
6
VCC_+3V
7
LAD3
8
GND
9
LAD2
10
x
11
SERIRQ
12
48MHz
COM2
COM1
LPC