AXEL ULite SOM/AXEL ULite Evaluation Kit/Interfaces and Connectors/JTAG
| HOME | SOMs | SBCs | ToloMEO Embedded Assistant |  GET A QUOTE
|
 ONLINE HELPDESK
|
| Roadmap | IoT Services | ML/AI services | Embedded Design Services |
| History | |||
|---|---|---|---|
| Version | Issue Date | Notes | |
| 1.0.0 | Jul 2021 | First DESK release | |
JTAG interface[edit | edit source]
Description[edit | edit source]
The JTAG interface available on the Evaluation Kit at the connector JD1. By default, the connector is not populated.
JD1 is a 10x2.54mm header connector for the JTAG signals used for debug purposes togheter with a JTAG debugger.
Signals[edit | edit source]
The following table describes the interface signals:
| Pin# | Pin name | Function | Notes |
|---|---|---|---|
| JD1.1 | DGND | - | - |
| JD1.2 | JTAG_TCK | - | - |
| JD1.3 | JTAG_TMS | - | - |
| JD1.4 | JTAG_TDO | - | - |
| JD1.5 | JTAG_TDI | - | - |
| JD1.6 | JTAG_nTRST | - | optionally connected (mount option) |
| JD1.7 | CPU_PORn | - | optionally connected (mount option) |
| JD1.8 | N.C. | - | - |
| JD1.9 | N.C. | - | - |
| JD1.10 | JTAG_VREF | - | 3V3 (SOM_PGOOD driven signal) |
