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KIT33975AEWEVBE
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Evaluation Kit - MC33975, Multiple Switch Detection Interface with 32mA Suppressed Wakeup.
- KIT33975AEWEVBE硬件
- 快速参考指南
该评估套件采用33975。33975是具有抑制唤醒功能的多开关检测接口,旨在检测多达22个开关触点的关闭和开启。开关状态(开启或关闭)会通过一个串行外设接口(SPI)传输至微处理器(MCU)。该器件还具备一个22对1模拟复用器,可将输入读取为模拟值。
33975器件有两种运行模式:正常模式和睡眠模式。正常模式允许对器件进行编程,在检测开关状态变化时,为开关触点提供上拉或下拉电流。睡眠模式提供低静态电流,使33975成为面向需要低睡眠状态电流的汽车和工业控制产品的理想之选。功能改进包括用于睡眠模式的可编程中断定时器(可禁用);为接地开关输入提供32 mA和4.0 mA开关检测电流;可以复位的中断位。
该评估套件可与KITUSBSPIDGLEVME配合使用。
Evaluation Kit - MC33975, Multiple Switch Detection Interface with 32mA Suppressed Wakeup.
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