Acrosser AR-B1841 - Manual (Page 12)

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