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Impulse handling with Netzer IO
Netzer is able to generate and capture signals at IO3 and SPI_INT.
The image shows the structure of the impulse generator/capture.
The impulse module is divided into two modes, the unsynchronized mode and the IO0 synchronized mode. Both, IO3 and SPI_INT, can either work in unsynchronized or in IO0 synchronized mode.
Furthermore a mode M can be configured:
- Continuous mode
- Single
- Triggered by IO0
Resolution N can be either 100ns, 200ns, 400ns or 800ns. All raw values associated with Capture/Generator module must be multiplied by N to get the final time value.
Last but not least channels can be configured for capturing (measuring impulses) or generating impulses.
Unsynchronized mode
The impulse timer is free running in this mode. IO0 interrupts will not reset the impulse timer.