Diamond Power Products MM-48-AT - Manual (Page 18)

Diamond-MM-48-AT User Manual V1.01 Page 18
Base + 9 Write Configuration Register
Bit
No. 7 6 5 4 3 2 1 0
Name CKSEL1 CKFRQ1 CKFRQ0 SCNINT CLKEN CLKSEL
CKSEL1 Clock source select for counter/timer 1:
1 External signal Clk0 in I/O connector J3
0 On-board clock, frequency selected by CKFRQ1 below
CKFRQ1 Clock frequency select for counter/timer 1 when CKSEL1 = 0:
1 100KHz
0 10MHz
CKFRQ0 Clock frequency select for counter/timer 0:
1 1MHz
0 10MHz
SCNINT Scan interval. This is the time between A/D samples during an A/D scan. An A/D
scan occurs when SCANEN = 1 (Base + 10 bit 4) and an A/D conversion is
triggered.
1 5.0µS
0 9.3µS
CLKEN Enable hardware A/D clock:
1 Enable hardware A/D trigger (source is selected with CLKSEL bit); software
triggers are disabled
0 Disable hardware trigger; A/D is triggered by setting the ADSTART bit
CLKSEL A/D clock select, used only when CLKEN = 1:
1 Internal clock: counter/timer 0 generates A/D conversions
0 External clock: the EXTCLK pin on I/O connector J3, generates A/D
conversions