Input Capture Units
🎯🕹️ Unlock the Magic of Input Capture Units in Timers within Embedded Systems! 🚀⏱️
Embedded systems often require precise timing information, and one of the most powerful tools at our disposal to achieve this is the Input Capture Unit. This feature of timers can capture the exact time of an event, such as an external trigger or a specific signal edge (rising or falling). Such precision is vital for many applications, including measuring signal frequency or pulse width. 📏🔍
The Input Capture Unit is a sophisticated tool that brings a new level of accuracy to time-sensitive tasks. Let's delve deeper into its key features:
1️⃣ Event Capture: The Input Capture Unit can capture the exact timer value when an event occurs. This can be an external trigger or the edge of a signal, providing a precise time stamp of the event.
2️⃣ Frequency Measurement: By capturing the time at the beginning and the end of a signal cycle, the Input Capture Unit can accurately measure the frequency of signals.
3️⃣ Pulse Width Measurement: Similarly, the Input Capture Unit can measure the duration of a high or low pulse by capturing the time at the rising and falling edges of the signal.
4️⃣ Interrupt Generation: The Input Capture Unit can generate an interrupt when it captures an event, enabling the system to respond immediately to time-critical events.
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