微处理器控制器(MPUMCU)设计 指纹传感器芯片FCD4B14 …（国外英文资料）.docVIP

微处理器控制器(MPUMCU)设计 指纹传感器芯片FCD4B14 …（国外英文资料） Collect it yourself Mistakes are inevitable For reference only If there are any mistakes Please correct me! thank you Microprocessor/controller (MPU/MCU) design The principle and application of the fingerprint sensor chip FCD4B14 Abstract: fingerprint sensor chip FCD4B14 has 8x280 = 2240 pixels The pixel size is 50 mu mx50 mum = 500dpi; The pixel clock is as high as 2MHz 1780 frame/s This paper introduces the structure, principle and application characteristics of the chip Keywords: fingerprint sensor; The physical effect of temperature; Integrated circuit; FCD4B14 An overview, FCD4B14 is one of the FingerChipTM fingerprint sensor chips produced by ATMEL CMOS process manufacturing There is no need for optical parts such as prisms and light sources FCD4B14 is a single chip, high performance, low price fingerprint sensor chip based on the physical effects of temperature The chip has a linear contour structure To capture the fingerprint Allow your fingers to glide across sensitive areas After capturing several fingerprint images The software provided by ATMEL can reconstitute the entire 8Bit fingerprint image The chips ability to capture delivery of the device every second is programmable The digital signal provided by A/D converter is suitable for the EPP parallel port, the USB microcontroller interface, or the direct and microprocessor interface It can be easily applied in different recognition systems FCD4B14 has the following characteristics: the sensitive layer is above the COMS array of 0.8 mu m; Image area 0.4 x14mm = 0.02 x 0.55; Image array 8x280 = 2240 pixels; The pixel size is 50 mu mx50 mu m = 500 dpi; The pixel clock is as high as 2MHz 1780 frame/s; Working voltage. 20 mw power consumption; 20 foot DIP pottery or COB (Chip -on-board) package; Wear and wear 1x106. ESD static protection. Working temperature range of 0 ° C to + 70 ° C FCD4B14 can be widely used: PDA, cell phone access, access, entry control, data pr