User`s guide
Introduction 5
Digital I/O ( DIO)
z Channel: 16 TTL compatible inputs and outputs
z Input Voltage:
Low: Min. 0V ; Max. 0.8V
High: Min. +2.0V
z Input Load:
Low: +0.5V @ -0.2mA max.
High: +2.7V @+20mA max.
Output Voltage:
Low: Min. 0V ; Max. 0.4V
High: Min. +2.4V
z Driving Capacity:
Low: Max. +0.5V at 8.0mA (Sink)
High: Min. 2.7V at 0.4mA (Source)
Programmable Counter
z Device: 82C54
z A/D pacer: 32-bit timer( two 16-bit counter cascaded together) with a
2MHz time base
z Counter: One 16-bit counter with a 2MHz time base or external timer
clock
z Pacer Output: 0.00046 Hz ~ 100K Hz
General Specifications
z I/O Base Address: 16 consecutive address location
z Connector: 37-pin D-type connector, and two 20-pin ribbon connectors
z IRQ Level: 3, 5, 6, 7, 9, 11, 12, 15
z DMA Level: 5, 6, and 7
z Operating Temperature: 0 C ~ 55 C
z Storage Temperature: -20 C ~ 80 C
z Humidity: 5 ~ 95%, non-condensing
z Power Consumption: +5 V @ 400 mA typical
+12V @ 260 mA typical
z PCB Dimension: Half-sized 163mm(L) X 123mm(H)