SIS Documentation
SIS3820
VME Scaler
Page 41 of 79
7.20 LNE channel select register (0x108)
#define SIS3820_LNE_CHANNEL_SELECT 0x108 /* read/write; D32 */
This read/write register allows to define which of the 32 front panel scaler channels is used as
LNE source in LNE channel N mode. The LNE channel has to be selected before the counting
process is started and can not be changed during acquisition.
Bit Function
31
no function, read as 0
... ...
5
no function, read as 0
4
bit 4 of LNE channel
3
2
1 ...
0
bit 0 of LNE channel
Notes:
1.) The maximum input frequency for the LNE channel is limited to 10 MHz
2.) An inhibit of the selected channel (front panel or selective count disable) is ignored
Hint:
make sure to activate the channel N LNE source in the acquisition/operation mode
register
