AN597 |
Part Number | AN597 |
Manufacturer | Microchip (https://www.microchip.com/) Technology |
Description | www.DataSheet4U.com AN597 Implementing Ultrasonic Ranging Author: Robert Schreiber Logic Products Division THEORY OF OPERATION Ultrasonic ranging entails transmitting a sound wave and measuring the ... |
Features |
4 is connected to the ranging module as shown in Figure 1. The RE0 and RE1 I/O pins are configured as digital outputs and are tied to INIT and BINH, respectively. The CCP1 pin is configured as a digital input and is tied to ECHO through a pull-up resistor. The pull-up resistor is needed since the ECHO signal is an open-collector output. The CCP1 pin is configured for capture mode (CCP1CON). Figure 2 shows the timing relationship for VDD and the three signal lines (INIT, BINH, and ECHO). Note: The ranging module requires 5.0 milliseconds to stabilize during power-up.
This application note describ... |
Document |
AN597 Data Sheet
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