Difference between revisions of "AXEL Lite SOM/AXEL Lite Hardware/Power and Reset/JTAG"
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J7 footprint mates with Samtec FSI-110-03-G-S connector. The following table reports the connector's pinout: | J7 footprint mates with Samtec FSI-110-03-G-S connector. The following table reports the connector's pinout: | ||
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| + | [[File:AXEL Lite-EVB-JTAG-connector.png|thumb|center| 500px|JTAG connector]] | ||
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Revision as of 09:08, 28 October 2020
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| Version | Issue Date | Notes | |
| 1.0.0 | Sep 2020 | New layout documentation | |
On board JTAG connector[edit | edit source]
JTAG signals are routed to a dedicated connector on the AXEL Lite PCB.
The connector is placed on the top side of the PCB, at the upper-right corner (please see the picture below).
J7 - Connector's pinout[edit | edit source]
J7 footprint mates with Samtec FSI-110-03-G-S connector. The following table reports the connector's pinout:
| Pin# | Pin name | Function | Notes |
|---|---|---|---|
| 1 | DGND | - | - |
| 2 | JTAG_TCK | - | - |
| 3 | JTAG_TMS | - | 10K pull-up to 3V3 (BOARD_PGOOD driven signal) |
| 4 | JTAG_TDO | - | 10K pull-up to 3V3 (BOARD_PGOOD driven signal) |
| 5 | JTAG_TDI | - | 10K pull-up to 3V3 (BOARD_PGOOD driven signal) |
| 6 | JTAG_nTRST | - | 10K pull-up to 3V3 (BOARD_PGOOD driven signal) |
| 7 | CPU_PORn | - | - |
| 8 | N.C. | - | - |
| 9 | N.C. | - | - |
| 10 | JTAG_VREF | - | 3V3 (BOARD_PGOOD driven signal) |
