4. Optional Debugging Connector¶
4.1. Debug Connector Signal Assignment¶
| Pin | Signal | Description | type | I/O |
|---|---|---|---|---|
| 1 | MFG_NC1 | Do not connect on the carrier board. These pins are reserved for manufacturing purposes. |
||
| 3 | MFG_NC0 | |||
| 5 | BOOT[1] | Module specific boot mode, refer to the processor datasheet. Boot from flash is selected, if these pins are not connected. (N/A on TX28) | VDDIO | I |
| 7 | BOOT[0] | VDDIO | I | |
| 9 | GND | |||
| 11 | #TRST | VDDIO | ||
| 13 | TMS | VDDIO | ||
| 15 | TDO | VDDIO | ||
| 17 | TDI | VDDIO | ||
| 19 | GND | |||
| 21 | TCK | VDDIO | ||
| 23 | GND | |||
| 25, 27, 29 | NC | |||
| 2, 4, 6 … 28, 30 | GND |
4.2. Debug connector location¶
Mates with Samtec FSI - 3mm Height, One Piece Interface, part no. FSI-115-03-G-D-AD
The SO-DIMM connector socket height has to be 5.2mm if the debug connector is used.
