The M31/M33XXA Digitizers has general purpose input/output triggers (TRG connectors/lines). A trigger can be used as general purpose digital IO or as a trigger input (Table 11), and can be sampled using the options shown in Table 12.
| Programming Definitions | |||
|---|---|---|---|
| Option | Description | Name | Value |
| Trigger Output (readable) | TRG operates as a general purpose digital output signal, which can be written by the user software | AOU_TRG_OUT | 0 |
| Trigger Input | TRG operates as a trigger input, or as general purpose digital input signal, which can be read by the user software | AOU_TRG_IN | 1 |
Table 11: M31/M33XXA Digitizers TRG connectors configuration (triggerIOconfig)
| Programming Definitions | |||
|---|---|---|---|
| Option | Description | Name | Value |
| Non-synchronized mode | The trigger is sampled with an internal 100 MHz clock | SYNC_NONE | 0 |
| Synchronized mode | (PXI form factor only) The trigger is sampled using CLK10 | SYNC_CLK_0 | 1 |
Table 12: M31/M33XXA Digitizers TRG connectors configuration (triggerIOconfig)