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C O M E x p r e s s
E C B - 9 1 5 A
C a r r i e r B o a r d
Chapter 1 Quick Installation Guide
1-11
1.14 COM4 RI pin voltage selection (JP8)
√
RI
5V
12V
2 4 6 2 4 6
2 4 6
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1 3 5 1 3 5
1 3 5
1.15 CPLD programming Jumper (JP9)
Pin Signal
1 VCC3
2 TDO
3 TDI
4 NC
5 NC
6 TMS
7 GND
8 TCK
1.16 CF Card Selection (JP10)
√
CF Card Enable
CF Card Disable
1 2
1 2
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