The MC68B21P is a 40-pin dual-channel programmable interval timer device manufactured by Motorola. It is a 16-bit synchronous device designed to measure time intervals in microprocessor-based systems. The device combines two 16-bit interval timer channels and four external trigger inputs into a single low cost package. Features: 16-bit synchronous programmable timer Maximum speed of 12.5MHz Low power consumption: ≤ 175mW 4 independent external trigger inputs Programmable prescaler 8-bit control registers 16-bit count registers Programmable timer mode Programmable interrupt enable Selectable clock sources Application: The MC68B21P is suitable for a wide range of applications, including digital systems, motor control, process control, automotive, instrumentation, and automation. It is ideal for use in systems that require precise timing control or pulse generation.(For reference only)
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