说明：  点读笔芯片资料，集成mp3解码、隐形二维码识别，丰富的接口包括：USB、NANDFLASH、T卡、GPIO、12BIT ADC等
(Point reading pen chip data integrated mp3 decoder, invisible two-dimensional code recognition, rich interfaces including: USB, NANDFLASH, T card, GPIO, 12BIT ADC, etc.)