16路IO扩展芯片NCA9595PW
https://www.nexperia.com/products/analog-logic-ics/interface/i2c-general-purpose-i-o-gpio/NCA9595PW-Q100.html低压16位，I2C和SMBus I/O扩展器，带中断输出、配置寄存器和可编程上拉电阻，该器件已经通过汽车级AEC-Q100 (Grade 1) 认证
https://img.anfulai.cn/dz/attachment/forum/202305/02/000258rtsw172t878sep7o.png
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