TPRO-PCMCIA - Timecode Reader/Generator with PCMCIA Interface
The TPRO-PCMCIA is a timing solution designed to plug into the PCMCIA port on a laptop computer.
The unit attaches easily via a simple cable connection. The unit performs timing and synchronization functions referenced to an input timecode signal, and provides timing information to the application running on your PC. It synchronizes its on-board clock to the incoming timecode. The clock’s time is also provided as an IRIG-B output.
Other features include a ”time-tag” TTL input, a programmable “heartbeat” pulse or squarewave output, and a programmable “match” start/stop time output—and it can generate a user-programmable interrupt to your application at the time of any of these events. In the absence of an input timecode, the unit continues to increment time (i.e., “freewheel”); once the signals are re-established, it resumes synchronization automatically.
The input timecode format (IRIG-B, IRIG-A, or NASA36) is detected automatically. Synchronization to the input timecode is also automatic and can be enabled/disabled. To compensate for cable delays, a propagation delay offset can be specified. The timecode input is an amplitude modulated sine wave. An automatic gain control (AGC) circuit permits a wide range of input amplitudes. The timecode input is differential; the unit does not reference this signal to ground. A single-ended input (referenced to ground) is also acceptable.
The unit can be ordered with an option (–M) to synchronize to a one-pulse-per-second (1PPS) input instead of an incoming timecode. In this case, the initial time is programmed via the bus, and the board begins counting on the next 1PPS pulse.
Features
- IRIG-B timecode generator
- IRIG-A, IRIG-B, and NASA36 timecode reader
- Time-Tag input
- Programmable periodic output (pulse/squarewave) and interrupt capability
- Programmable start/stop timeoutput and interrupt capability
- IRIG-A, IRIG-B, NASA36 timecode reader
Downloads
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TPRO- PCMCIA - datasheet, including full product specifications (65kb PDF)