DIGITAL I/O Number of channels: 48 Compatibility: 5 V/TTL Power-on state: input Digital logic levels: - Input high voltage: 2-5.25 V - Input low voltage: 0-0.8 V - Output high voltage: 2.4 V minimum - Output low voltage: 0.5 V maximum Output driving capacity: - Source current: 2.6 mA - Sink current: 24 mA Data transfers: programmed I/O GENERAL-PURPOSE EVENT COUNTER Number of channels: 1 Resolution: 16 bits Compatibility: 5 V/TTL Base clock available: 2 Mhz, fixed INTERRUPT Interrupt #0 sources - P1C0 - P1C3 - 16-bit event counter Interrupt #1 sources - P2C0 - P2C3 - 32-bit timer (based on 2 MHz internal clock) GENERAL SPECIFICATIONS I/O Connector: 50-pin ribbon male x 2 Operating temperature: 0 to 60°C Storage temperature: -20 to 80°C Relative humidity: 5 to 95% noncondensing Power requirements: + 5 V 500 mA typical Dimensions (not including connectors): 95.9 x 90.2 mm
