Datasheet > NCA9555B

NCA9555B

更新时间： 2024-04-09 18:58:52

品牌	Logo	应用领域
纳芯微 - NOVOSENSE		开关电源开关风扇传感器
页数	文件大小	规格书
28页	1246K
描述
NCA9555B是一款24引脚CMOS器件，提供16位通用并行I2C总线数输入/输出GPIO扩展功能。它和ACPI电源开关，传感器，按键，LED和风扇等应用的额外I/O口需求提供了简单的解决方案。

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NCA9555B 数据手册

NCA9555B

Datasheet (EN) 1.1

1. Pin Configuration and Functions

Figure 1-1. NCA9555B Package

Table 1-1. NCA9555B Pin Configuration and Description

QFN24 FUNCTION

SYMBOL

TSSOP24

PIN NO.

INT\

Interrupt open-drain output. Connect to VDD through a pull-up resistor

Address input 1. Connect directly to VDD or ground

Address input 2. Connect directly to VDD or ground

P00

P01

P02

P03

P04

P05

P06

P07

VSS

P10

P11

P12

P13

P14

Port 0 input/output. At power-on, the port is configured as an input

Ground

Port 1 input/output. At power-on, the port is configured as an input

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