Description
| Features | XJLink2 | XJLink |
| Connects to up to 4 JTAG chains on the UUT | ✓ | |
| Handles different cable and board configurations | ✓ | ✓ |
| USB bus-powered (no external PSU) | ✓ | ✓ |
| TCK clock frequencies up to 166 MHz 50 MHz | ||
| Two different voltages can be configured, from 1.1 V to 3.3 V in 0.1 V steps | ✓ | |
| Button to start test | ✓ | |
| Visual indication of test status | ✓ | |
| High speed USB 2.0 interface, backwards compatible with USB 1.0 & 1.1 | ✓ | ✓ |
| Adjustable JTAG signal termination | ✓ | ✓ |
| Spare pins on the JTAG connector can be used in place of the button or to indicate the test status | ✓ | |
| Pins can also be used as general purpose I/O during testing, for example for fast Flash programming | ✓ | |
| Spare pins can be used to control other items — e.g. hold a board in reset / turn on a PSU | ✓ | ✓ |
| Automatic signal skew control | ✓ | ✓ |
| Can supply power to the target board through the JTAG connector (3.3 V, <100 mA) | ✓ | ✓ |
| Built in voltage meter on all I/O pins. Voltage input: Min 0, Max 5 V | ✓ | |
| Frequency counter on all I/O pins. Frequency input: Min 1 Hz, Max 200 MHz. | ||
| Selectable measurement period of 1 ms, 10 ms, 100 ms, 1 s, 10 s | ✓ | |
| JTAG signals are +5 V tolerant | ✓ | ✓ |
| Simple DLL API interface: includes commands such as tmsReset() irScan() drScan() etc. | ✓ | ✓ |
| Available in two colours allowing users to differentiate between units with different licences | ✓ |
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