SPAU024 April 2025 AM2612
The AM261x controlSOM has up to 16-bit TRACE debug capability. To enable TRACE on the MIPI-60 header (J5), the following resistor modifications must be made. Table 2-12 details what resistors must be removed and populated to enable the correct paths on the EVM.
| Designator | Value (Ω) | Action | AM261x Signal Disabled | Trace Signal Enabled |
|---|---|---|---|---|
| R149 | 0 | REMOVE | PR0_PRU1_GPIO0 | |
| R150 | 0 | REMOVE | PR0_PRU1_GPIO1 | |
| R151 | 0 | REMOVE | PR0_PRU1_GPIO2 | |
| R152 | 0 | REMOVE | PR0_PRU1_GPIO3 | |
| R153 | 0 | REMOVE | PR0_PRU1_GPIO4 | |
| R154 | 0 | REMOVE | PR0_PRU1_GPIO5 | |
| R155 | 0 | REMOVE | PR0_PRU1_GPIO6 | |
| R156 | 0 | REMOVE | PR0_PRU1_GPIO8 | |
| R159 | 0 | REMOVE | PR0_PRU1_GPIO9 | |
| R161 | 0 | REMOVE | PR0_PRU1_GPIO10 | |
| R163 | 0 | REMOVE | PR0_PRU1_GPIO11 | |
| R164 | 0 | REMOVE | PR0_PRU1_GPIO12 | |
| R167 | 0 | REMOVE | PR0_PRU1_GPIO13 | |
| R169 | 0 | REMOVE | PR0_PRU1_GPIO14 | |
| R170 | 0 | REMOVE | PR0_PRU1_GPIO15 | |
| R171 | 0 | REMOVE | PR0_PRU1_GPIO16 | |
| R172 | 0 | REMOVE | GPIO120 | |
| R173 | 0 | REMOVE | GPIO119 | |
| R86 | 10 | POPULATE | TRC_DATA6 | |
| R87 | 10 | POPULATE | TRC_DATA7 | |
| R88 | 10 | POPULATE | TRC_DATA8 | |
| R89 | 10 | POPULATE | TRC_DATA9 | |
| R90 | 10 | POPULATE | TRC_DATA10 | |
| R91 | 10 | POPULATE | TRC_DATA11 | |
| R92 | 10 | POPULATE | TRC_DATA12 | |
| R93 | 10 | POPULATE | TRC_CLK | |
| R94 | 10 | POPULATE | TRC_DATA13 | |
| R95 | 10 | POPULATE | TRC_DATA14 | |
| R96 | 0 | POPULATE | TRC_CTL | |
| R97 | 10 | POPULATE | TRC_DATA15 | |
| R98 | 10 | POPULATE | TRC_DATA0 | |
| R99 | 10 | POPULATE | TRC_DATA1 | |
| R100 | 10 | POPULATE | TRC_DATA2 | |
| R101 | 10 | POPULATE | TRC_DATA3 | |
| R102 | 10 | POPULATE | TRC_DATA4 | |
| R103 | 10 | POPULATE | TRC_DATA5 |
Figure 2-20 shows the resistors that are to be removed. Figure 2-21 shows the resistors to populate.
Figure 2-20 Resistors to Remove to enable
TRACE
Figure 2-21 Resistors to Populate to
enable TRACE