Acrosser AR-B1841 User Manual
Page 12
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AR-B1841 User’s Guide
AR-B1841
12
• J3 : Case Open
• JCLK1 : Select CPU External Frequency
• RI1 : RI Jumper for test Wake Up System Only
• IR1 : Infrared Pin Header
• JP5 : Select LCD Voltage
J3 Description
Open
Normal
Short Power
off
JCLK1 Description
1-2
133MHz
2-3
100MHz
PIN Description
Open
Normal
Short
System Wake Up
PIN Description
1
+5V
2 NC
3 RX
4 GND
5 TX
6 VCC2
JP5 Description
1-2
+3.3V
2-3
+5V
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