Spectrum Brands MI.20xx - Manual (Page 74)

74 MI.20xx Manual
Trigger modes Option Multiple Recording
Resulting start delays
The following example shows how to set up the board for Multiple Recording in standard mode. The setup would be similar in FIFO mode,
but the memsize register would not be used.
Activated channels Sample rate external TTL trigger internal trigger ext. TTL trigger with
activated
synchronization internal trigger with
activated
synchronization
0 1 2 3
x < 10 MS/s +22 samples +31 samples +24 samples +33 samples
x (10 < SR < 100) MS/s +23 samples +21 samples +25 samples +23 samples
x > 100 MS/s +16 samples +32 samples +18 samples +34 samples
x x < 5 MS/s -5 samples +5 samples -3 samples +7 samples
x x > 5 MS/s +8 samples +16 samples +10 samples +18 samples
x x < 10 MS/s +22 samples +31 samples +24 samples +33 samples
x x (10 < SR < 100) MS/s +23 samples +21 samples +25 samples +23 samples
x x > 100 MS/s +16 samples +32 samples +18 samples +34 samples
x x x x < 5 MS/s -5 samples +5 samples -3 samples +7 samples
x x x x > 5 MS/s +8 samples +16 samples +10 samples +18 samples
SpcSetParam (hDrv, SPC_MULTI, 1); // Enables Multiple Recording
SpcSetParam (hDrv, SPC_POSTTRIGGER, 1024); // Set the segment size to 1024 samples
SpcSetParam (hDrv, SPC_MEMSIZE, 4096); // Set the total memsize for recording to 4096 samples
// so that actually four segments will be recorded
SpcSetParam (hDrv, SPC_TRIGGERMODE, TM_TTLPOS);// Set the triggermode to external TTL mode (rising edge)