User`s manual
RTD Embedded Technologies, Inc. | www.rtd.com   15  FPGA35S6 User’s Manual 
JP7: Reserved 
JP7 is reserved, and must be left open. 
3.3.1  SOLDER JUMPER 
B1: Pull up Voltage  
Solder jumper B1 are used to set the pull up voltage for JP1, JP2 and JP3. 
Table 9: B1 Pull up Voltage 
Setting 
Description 
1-2 
Sets Pull up voltage to 3.3V 
2-3 
Sets Pull up voltage to 5V 
B2: Pull up Voltage  
Solder jumper B1 are used to set the pull up voltage for JP4, JP5 and JP6. 
Table 10: B2 Pull up Voltage 
Setting 
Description 
1-2 
Sets Pull up voltage to 3.3V 
2-3 
Sets Pull up voltage to 5V 










