1 Reply Latest reply on Aug 15, 2020 4:48 AM by LePo_1062026

    Replace PCA9555 with PSoC UDB Resource

    XiaoweiZ_71

      PCA9555 is a 6-bit I2C-bus & SMBus I/O expand device with interrupt.

      Attached demo project use PSoC6 UDB resources realized the same function as PCA9555, including address control bits (A0 / A1 / A2), I2C one-to-eight expansion logic and interrupt generation logic.

      Capture.PNG