In-System Debugging—IP2022 User’s Manual 352 www.ubicom.com Figure 5-8  Recommended ISD/ISP Connector (top view) Table 5-2  Connector Pin Assignments Pin Name Description 1 KEY Key (not a signal) 2 TSS Target Slave Select 3 GND Ground 4 TSCK Target Data Clock 5 OSC Target Clock Oscillator 6 Reserved Reserved 7 TRST Target Reset 8 TSI Target Serial Input 9 Vdd Power 10 TSO Target Serial Output 1 515-053.eps 3 5 7 9 2 4 6 8 10