J-Link ARM JTAG Isolator Board The J-Link JTAG Isolator can be connected between a J-Link Probe and an ARM-board with a 20-pin JTAG-ARM connector to provide electrical isolation. This is essential when the development tools are not connected to the same ground as the application. Compatible Probes J-Link BASE 131-1319, J-Link PRO, J-Link ULTRA+, J-Link PLUS , Flasher Portable, Flasher ARM Features • 1kV DC optical isolation
• +3.3V and +5Vdc target operation supported
• Powered from probe and target
• JTAG 20-pin connection with TRST, TDI, TMS, TCK, RTCK, TDO and RESET signals
• Power consumption on target side: 35mA typical
• JTAG frequency: Up to 4MHz
• 3 x LEDs: Probe Power, Target Power and Target RESET