代理产线

SX150X GPIO expander

 2016-08-17

【基本数据】

【产品特性】

1.2V to 5.5V (SX1507B) Low Operating
Voltage with Dual Independent I/O Rails
(VCC1, VCC2)
Enable Direct Level Shifting Between I/O
Banks and Host Controller
• 5.5V Tolerant I/Os, Up to 15mA Output Sink on
All I/Os (No Total Sink Current Limit)
• Integrated LED Driver for Enhanced Lighting
Intensity Control (256-step PWM)
Blink Control (224 On/Off values)
Breathing Control (224 Fade In/Out values)
• On-Chip Keypad Scanning Engine
Support Up to 8x8 Matrix (64 Keys)
Configurable Input Debouncer

【产品应用】

• Cell phones, PDAs, MP3 players
• Digital camera, Notebooks, GPS Units
• Any battery powered equipment

【文字介绍】

该SX1507B,SX1508B和SX1509B齐全超低电压通用并行输入/输出(GPIO)扩展器非常适合于低功耗手持式电池供电的设备。这个家庭的的GPIO来在4,8,16信道配置和允许通过的I / O的简易串行扩展标准400kHz的I2C C接口。 GPIO设备可以提供额外的控制和监视,当微控制器或芯片组没有足够的I / O端口,或在系统中的串行通信和控制从远程位置是有利的。