Full-automatic biochemical analysis electronic system
A technology of biochemical analysis and electronic system, applied in the medical field, can solve the problems of low degree of automation and achieve the effect of low degree of automation, good anti-interference and reliability, and compact circuit structure
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[0020] The present invention will be further described below with reference to the drawings and embodiments.
[0021] Such as figure 1 , The control core module adopts the full-speed USB FLASH microcontroller chip C8051F340, which is a fully integrated mixed-signal system-on-chip MCU. This device has faster processing speed and larger storage capacity, and has the function of in-system programmable. The core circuit of the microcontroller C8051F340 uses DC power supply, the external clock uses a 12M crystal oscillator, and the P10~P15 pins on the C8051F340 are used as input ports for sensor data acquisition.
[0022] Such as figure 2 , The power supply module is designed with two power supply methods: C8051F340 is connected to the upper computer, and the power is extracted from the USB interface of the upper computer and input to the REGIN pin. The voltage is reduced to +3.3V by the power conversion chip LM1117-3.3; this system also has an independent The power module is used in o...
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