SLAU966 February 2025 MSPM0C1103 , MSPM0C1103-Q1 , MSPM0C1104 , MSPM0C1104-Q1 , MSPM0C1105 , MSPM0C1106 , MSPM0C1106-Q1 , MSPM0G1106 , MSPM0G1107 , MSPM0G1506 , MSPM0G1507 , MSPM0G1518 , MSPM0G1519 , MSPM0G3106 , MSPM0G3106-Q1 , MSPM0G3107 , MSPM0G3107-Q1 , MSPM0G3506 , MSPM0G3506-Q1 , MSPM0G3507 , MSPM0G3507-Q1 , MSPM0G3518 , MSPM0G3518-Q1 , MSPM0G3519 , MSPM0G3519-Q1 , MSPM0H3216 , MSPM0L1105 , MSPM0L1106 , MSPM0L1116 , MSPM0L1117 , MSPM0L1227 , MSPM0L1227-Q1 , MSPM0L1228 , MSPM0L1228-Q1 , MSPM0L1303 , MSPM0L1304 , MSPM0L1304-Q1 , MSPM0L1305 , MSPM0L1305-Q1 , MSPM0L1306 , MSPM0L1306-Q1 , MSPM0L1343 , MSPM0L1344 , MSPM0L1345 , MSPM0L1346 , MSPM0L2228
MSPM0 and NXP's M0 MCUs both have internal references that can be used to supply a reference voltage to internal peripherals and output to external peripherals.
| Feature | S32K1xx | KEA128x | KM35x | MSPM0G | MSPM0L MSPM0C |
|---|---|---|---|---|---|
| Internal Reference (V) | 2.7, 5.5 | 2.7, 5.5 | 2.7, 3.6 | 1.4, 2.5 | 1.4, 2.5 |
| External Reference (V) | Up to VDD | Up to VDD | Up to VDD | External: 1.4 ≤ VREF ≤ VDD | External: 1.4 ≤ VREF ≤ VDD |
| Output Internal Reference | No | No | No | Yes | Yes |
| Internally Connect to ADC | Yes | Yes | Yes | Yes | Yes |
| Internally Connect to DAC | Yes | Yes | Yes | Yes | No |
| Internally Connect to COMP | Yes | Yes | Yes | Yes | No |
| Internally Connect to OPA | N/A | N/A | N/A | Yes | No |
For the MSPM0 VREF, you must enable the power bit, PWREN Bit0 (ENABLE).
VREF code examples
Code examples that use VREF can be found in the MSPM0 SDK examples guide.