SEGGER - The Embedded Experts - Adapters Page 1 of 6 J-Link Adapters The following adapters are available for J-Link: J-Link JTAG Isolator J-Link SWD Isolator J-Link Supply Adapter J-Link Needle Adapter J-Link 6-pin Adapter J-Link RX Adapter J-Link RX FINE Adapter J-Link 19-pin Cortex-M Adapter J-Link 9-pin Cortex-M Adapter J-Link 2mm Adapter J-Link Altera Adapter J-Link ARM-14 Adapter J-Link Measurement+Patch Adapter J-Link Microchip Adapter J-Link Mictor 38 Adapter J-Link PPC 14-pin Adapter J-Link Signal Smoothing Adapter J-Link 14-pin TI Adapter J-Link TI-CTI-20 Adapter J-Link JTAG Isolator The J-Link JTAG Isolator can be connected between J-Link and any ARM-board that uses the standard 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. It is also useful to protect the development tools from electrical spikes that often occur in some applications, such as motor control applications. Another typical field of application is development of products with sensors or other analog circuitry, in which case the target hardware is protected from electrical noise originating from the development PC. The J-Link JTAG Isolator is compatible with J-Link BASE, J-Link PRO, J-Link ULTRA+, J-Link PLUS and Flasher ARM. J-Link SWD Isolator The J-Link SWD Isolator can be connected between J-Link and any ARM-board that uses the standard 20-pin 0.1 male connector to provide electrical isolation. This is essential when the development tools are not connected to the same ground as the application. It is also useful to protect the development tools from electrical spikes that often occur in some applications, such as motor control applications. Another typical field of application is development of products with sensors or other analog circuitry, in which case the target hardware is protected from electrical noise originating from the development PC. The J-Link SWD Isolator is compatible with J-Link BASE, J-Link PRO, J-Link ULTRA+, J-Link PLUS and Flasher ARM. J-Link Supply Adapter The J-Link Supply Adapter provides a fixed I/O voltage level for VTRef. It eliminates the need to connect VTRef (pin1) to the target. In general, the target provides its I/O voltage level (VT ) on pin 1 to the debug probe insuring the debug probe uses the right I/O voltages Ref and avoiding damage of the target debug pins. If signal VT is not desired on the target board it can be omitted by using the J-Link Supply Ref Adapter, manually setting the I/O voltage. Default I/O voltage is 3.3 V. For increased flexibility the J-Link Supply Adapter can adapt to other target voltages in the range from 1.2 V to 5.0 V by replacing a single resistor on the adapter. The Supply Adapter can be inserted between J-Link and the target maintaining a 1:1 connection of all debug signals (except VTRef/pin 1). It has a standard 20-pin 0.1 socket towards the J-Link debug probe and a standard 20-pin 0.1 header on the target side. The main reason for using the adapter is to reduce the number of connections to the target, especially in production environments. It can also be used with Flasher ARM. For dual wire debug interfaces such as SWD, typically only 3 wires are still required: SWDIO and SWDCLK as well as GND. For single wire interfaces such as SPD, the number of connections is reduced to 2 accordingly. The J-Link Supply Adapter is compatible with J-Link BASE, J-Link PRO, J-Link ULTRA+, J-Link PLUS and Flasher ARM.Page 2 of 6 Block diagram of the J-Link Supply Adapter J-Link Needle Adapter The J-Link Needle Adapter has been designed to connect J-Link to a PCB which does not come with a mating connector or programming header. The designed pattern with 3 locating pins ensures, that the adapter can not be connected the wrong way. The needle adapter allows manufacturers to save costs and space on their PCBs since there is no need to provide the PCB with additional connectors. It adapts from the 20-pin 0.1 JTAG to a 10-pin needle connector. J-Link 6-pin Adapter The J-Link 6-pin Adapter has been designed to connect J-Link to a PCB which does not come with a mating connector or programming header. The designed pattern with 3 locating pins ensures, that the adapter can only be connected in one way. The 6-pin Adapter allows manufacturers to save costs and space on their PCBs since there is no need to provide the PCB with additional connectors. It adapts from the 20-pin 0.1 JTAG to a 6-pin needle connector. J-Link 6-pin Adapter is compatible with J-Link BASE, J-Link PRO, J-Link ULTRA+, J-Link EDU, Flasher ARM, , Flasher RX Flasher PPCand Flasher Portable. Please note, that the 6-pin Adapter supports SWD only. If JTAG support is required, use the J-Link Needle Adapter instead. J-Link RX Adapter The J-Link RX Adapter allows connections between J-Link and target hardware which comes with the Renesas RX600/200/100 series MCUs. The J-Link RX adapter is able to optionally power the connected target hardware. 3.3V or 5V supply voltage can be selected using a Jumper. The target is supplied via the VTref connection when the supply option is jumpered.