I2C串行总线的组成及工作原理 I2C总线的数据传送 80C51单片机I2C串行总线器件的接口 有完整的过程以及例子-Composition and working principle I2C serial bus data transfer 80C51 microcontroller I2C serial bus interface I2C bus devices have a complete process and examples

电路具有四路4_bit字宽的串行输入总线，四路4_bit字宽的输出总线信号的电路。 电路完成将串行输入信号A[3..0]、B[3..0]、C[3..0]、D[3..0]（大小排列无序）以数值大小排序输出的功能，输出X3[3..0]、X2[3..0]、X1[3..0]、X0[3..0]中X3最大，X0最小。输入数据是无符号整数。 -Circuit with four 4_bit word wide serial input bus, four 4_bit word wide output

脉冲直读水表是内含控制器，通过采集脉冲方式，具有RS485总线远传，抄表数据与表盘显示数据一致的水表。 -Direct reading water meter Pulse direct reading water meter is included controller, through the acquisition of pulse mode, with RS485 bus remote transmission, meter reading data and water table