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DLPC350,修改FLASH的PCB封装后异常

Other Parts Discussed in Thread: DLPC350, DLPLCR4500EVM

使用DLPC350做人脸识别,下批过50套是没有问题。但最近我对PCB改进,将M29W128GL FLASH封装由TOSP改为了BGA,新版的BOOT文件可烧写,启动后

USB也可连接到DLP LIGHTCRAFTER 4500 CONTROL SOFTWARE-2.0.0。但之后加载固件文件后出现校验和错。如附件截图,请帮分析下原因。