Event counting, PWM, frequency measurement/division, duty cycle generation
Input frequencies up to 20 MHz
8 digital inputs, 8 digital outputs
USB 1.1, 2.0 compliant, cable included
Lifetime warranty
The USB-4301 is a USB-based high-performance, low-cost counter/timer device.
The USB-4301 is designed with a 9513 counter/timer chip.
The 9513 chip has five independent 16-bit counters (65,536 counts). Each counter has an input source, internal count register, load register, hold register, output, and gate. The 9513 is software-programmable for event counting, pulse and frequency measurement, alarm comparisons, and other input functions. The 9513 can generate frequencies with either complex duty cycles, or with one-shot and continuous-output modes. You can chain up to five 9513 counters together using software to enable a 32-, 48-, 64-, or 80-bit counter that does not require hardware connections. The gate source and gating functions are software-programmable.
An eight-bit, high-current digital output port provides logic-level control, and can be used to switch solid state relays. An eight-bit digital input port can be used to sense contact closures and other TTL level signals.
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