E P I C B o a r d E P I C - B D U 7Chapter 2 Quick Installation Guide 2-262.32 UIM Socket (CN15)Pin Pin Name Signal Type Signal Level1 UIM_PWR PWR2 UIM_RST IN3 UIM_CLK IN4 GND GND5 UIM_VPP PWR6 UIM_DAT I/O2.33 SPI Programming Header (Debug ONLY) (CN16)Pin Pin Name Signal Type Signal Level1 +3.3V PWR +3.3V2 GND GND3 CS# I/O4 CLK I/O5 SO I/O6 SI I/O