Transcription of 1-Wire Communication with PIC Microcontroller
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1-Wire Communication with PIC Microcontroller
AN1199. 1-Wire Communication with PIC Microcontroller Author: Sashavalli Maniyar 1-Wire Protocol Microchip Technology Inc. The protocol is called 1-Wire because it uses 1 wire to transfer data. 1-Wire architecture uses a INTRODUCTION pull-up resistor to pull voltage off the data line at the master side. This application note introduces the user to the 1-Wire 1-Wire protocol uses CMOS/TTL logic and Communication protocol and describes how a 1-Wire operates at a supply voltage ranging from device can be interfaced to the PIC microcontrollers .
AN1199 DS01199A-page 6 © 2008 Microchip Technology Inc. APPENDIX A: 1-Wire FUNCTIONS drive_OW_low Configures the 1-Wire port pin as an output and drives the port pin ...
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