资料介绍
The PIC16F639 is a suitable microcontroller for bi-
directional communications and low-frequency sensing
applications. The device includes a PIC16F636 micro-
controller and a three channel Low-Frequency (LF)
front-end device in a single 20-pin SSOP package.
These two devices are internally connected via SPI
™
interface pads. AN959
Using the PIC16F639 MCU for Smart Wireless Applications
The analog front-end section also has a dynamically
Author: Youbok Lee, Ph.D. reconfigurable output enable filter that can allow the
Microchip Technology Inc. MCU to wake-up to the wanted input signal only, but
ignore all other unwanted signals.
For a low-power battery operation, the device is
INTRODUCTION optimized to consume very low cu
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