16-bit IC and SMBus I/O Port w

The CAT9555 is a CMOS device that provides 16-bitparallel input/output port expansion for I²C a

The CAT9534 is an 8-bit parallel input/output portexpander for I²C and SMBus compatible applications.These I/O...

The PCA9539; PCA9539R is a 24-pin CMOS device that provides 16 bits of GeneralPurpose paralle

The PCA9557 is a silicon CMOS circuit which provides parallel input/output expansion forSMBus an

The PCA9557 is a silicon CMOS circuit which provides parallel input/output expansion for SMBus and I2C-bus app...

提供《the driver support read and write General Purpose I/O port of S3C2410 and S3C2440》完整单片机编程工程技术资料下载（归档大小 2 K），包含相关硬件原理图参考、开发文档或源代码工程。