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The PCA9541 is a 2-to-1 I2C-bus master selector designed for high reliability dual masterI2C-
The PCA9535 and PCA9535C are 24-pin CMOS devices that provide 16 bits of GeneralPurpose paral
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interrupt application code * compile : * $/usr/local/arm/2.95.3/bin/arm-linux-gcc -o interrupt interrupt.c ...
The PCA9673 provides general purpose remote I/O expansion for most microcontrollerfamilies vi
The PCA9537 is a 10-pin CMOS device that provides 4 bits of General Purpose parallelInput/Out
The PCA9672 provides general purpose remote I/O expansion for most microcontrollerfamilies vi
The PCA9538 is a 16-pin CMOS device that provides 8 bits of General Purpose parallelInput/Out
8051 Serial I/O Routines Ring buffered, interrupt-driven UART driver, written in Keil C .
A Programmer s Reference to BIOS, DOS, and Third-Party Calls X86 Interrupt 使用