为测量在油气井开发过程中所需要的压力数据,设计制作了一种以PIC16f87X单片机为核心的微型井下智能压力计。在设计中,采用I2C总线技术中器件地址的硬件接口设置,可同时挂接多个存储器到总线,解决了大容量数据快速存储的问题;利用fT245bl芯片,实现了uSb和并行I/O口之间数据传输协议的自动转换。In order to measure the pressure data needed in the oil and gas wells during the development process,a micro intelligent pressure gauge under the well is designed,which uses the PIC16F87X microcontroller as the core.In the design,the hardware interface settings of the device address of the I2C bus technology is adopted.It can hook multiple memory to bus to solve problems of quickly storing large-capacity data.The FT245BL chip is used to realize the automatic conversion of data transfer protocol between USB and the parallel I/O port.福建省科技重大专项资助项目(2008HZ002-1
