* Dirt cheap may be the answer you are looking for

My MCU is certainly cheap

```
 While ARMv6-M does not provide fault status information to the HardFault handler, it does permit the handler to
perform an exception return and continue execution, in cases where software has the ability to recover from
the fault situation.
The standard exception entry mechanism does not apply where a fault or supervisor call occurs at a priority
of -1 or higher. ARMv7-M requires the processor to handle most of these cases using a Lockup mechanism,
otherwise the condition becomes pending or is ignored. ARMv6-M uses Lockup in all its supported cases.
Lockup means the processor suspends normal instruction execution and enters Lockup state. When in
Lockup state:
```

It locks-up and requires WDT I think