ZIRCON-MM
User Manual v2.11 © 2002 Diamond Systems Corporation P. 17
14. SPECIFICATIONS
All specifications at 25
o
C. A/D conversion rate on 386-25MHz CPU.
Analog Input
No. / type of channels 8 single-ended
Resolution 8 bits (1 part in 256)
A/D conversion time 2.6 µs max
Maximum conversion rate 40 KHz typical (interrupt-based single conversions)
64 KHz typical (interrupt-based 8-channel scan)
Relative ac/-1 LSB max
Offset error +/-3 LSB max
Full-scale error -4, +0 LSB max
Input c/-300 µA max (ZMM-LC)
+/-60 nA max (ZMM-DX, D jumper not installed)
+/-25 µA max (ZMM-DX, D jumper installed)
Analog Output
No. / type of channels 1, voltage output
Resolution 8 bits (1 part in 256)
Settling time 4 µs max to +/-1/2 LSB
Offset error +/-2 LSB max
Full-scale error +/-2 LSB max
Output c/-1.25mA max
Digital I/O
No. of lines 24 (using 82C55 chip)
Compatibility TTL / CMOS
Pull-up resistors 10K
Ω
on each I/O line
Output voltage Logic 1: 3.0V min, 4.6V max; Logic 0: 0.0V min, 0.4V max
Output current Logic 1: -2.5mA max; Logic 0: +2.5mA max
Input voltage Logic 1: 2.0V min, 5.0V max; Logic 0: 0.0V min, 0.8V max
Counter/Timers
No. of counter/timers 3
Width 16 bits
Compatibility TTL / CMOS
Maximum clock frequency 10 MHz
On-board clock oscillator 4MHz
Configuration Counters 1 and 2 cascaded for interrupts; Counter 0 free
General
Dimensions 3.55” x 3.775” (PC/104 standard)
Operating temperature 0 - 70
o
C
Power 5VDC
±
10%
Current consumption ZMM-DX: 127mA
(typical, all outputs open) ZMM-LC: 100mA
PC/104 bus 8-bit bus used; 16-bit header footprint on board for passthrough
