SLVUE53 October 2026
Table 2-3 describes each test point function.
| Section | Test Point | Name | Description |
|---|---|---|---|
| XTR100 | TP1 | LOOP+ | Loop supply (LOOP+) |
| TP2 | VIN | Input signal | |
| TP3 | XTR_OUT | XTR output | |
| TP4 | LOOP- | Loop supply (LOOP-) | |
| TP6 | LDO_IN | Input to LDO | |
| TP7 | VCC | Supply voltage to XTR (Output from LDO) | |
| TP8, TP9, TP10 | GND | GND for XTR100 | |
| XTR102 | TP11 | H_RX | HART receive |
| TP12 | VCC | Supply voltage to XTR (Output from LDO) | |
| TP13 | LDO_IN | Input to LDO | |
| TP14 | VREF | Reference output | |
| TP15 | LOOP+ | Loop supply (LOOP+) | |
| TP16 | H_TX | HART transmit | |
| TP17 | XTR_OUT | XTR output | |
| TP18 | LOOP- | Loop supply (LOOP-) | |
| TP19 | VIN | Input signal | |
| TP20, TP21, TP22, TP23, TP24 | GND_B | GND for XTR102 | |
| XTR120 | TP25 | H_RX | HART receive |
| TP26 | H_TX | HART transmit | |
| TP27 | LOOP+ | Loop supply (LOOP+) | |
| TP28 | XTR_OUT | XTR output | |
| TP29 | LOOP- | Loop supply (LOOP-) | |
| TP30 | PWM_IN | Input signal (PWM) | |
| TP31 | LDO_IN | Input to LDO | |
| TP32 | VCC | Supply voltage to XTR (Output from LDO) | |
| TP33, TP34, TP35, TP36, TP37, TP38 | GND_C | GND for XTR120 |