BU1850MUV Datasheet - Rohm

BU1850MUV GPIO Expander IC

GPIO expander is useful especially for the application that is in short of IO ports. It can 2 1. Control GPIO output states by I C write protocol. 2 2. Know GPIO input states by I C read protocol. Furthermore,it has the interrupt function that can release CPU from polling the registers in the GPIO e.

BU1850MUV Features

* 1) An 8-Port General purpose input/output interface 150kΩPull-down resistance. 2) NMOS Open-drain output interrupt controller with up to 1us pulse noise filter and bit mask function for individual GPIO port. 3) 3volt tolerant Input 4) Built-in Power On Reset 5) 3mmx3mm small package

* Absolute ma

BU1850MUV_Rohm.pdf