data verification failed at

调试28034 芯片，今天出现 data verification failed at 0x3f6d7d,please ... 错误。 cmd 文件 MEMORY { PAGE 0: /* Program Memory */ RAMPRG : origin = 0x008000, length = 0x000080 OTP : origin = 0x3D7800, length = 0x000400 FLASHA : origin = 0x3E8000, length = 0x00FF80 CSM_RSVD : origin = 0x3F7F80, length = 0x000076 BEGIN : origin = 0x3F7FF6, length = 0x000002 CSM_PWL : origin = 0x3F7FF8, length = 0x000008 IQTABLES : origin = 0x3FE000, length = 0x000B50 IQTABLES2 : origin = 0x3FEB50, length = 0x00008C IQTABLES3 : origin = 0x3FEBDC, length = 0x0000AA ROM : origin = 0x3FF27C, length = 0x000D44 RESET : origin = 0x3FFFC0, length = 0x000002 VECTORS : origin = 0x3FFFC2, length = 0x00003E PAGE 1 : /* Data Memory */ RAMM0 : origin = 0x000100, length = 0x000300 RAMM1 : origin = 0x000400, length = 0x000400 RAML0 : origin = 0x008080, length = 0x001f80 } .map 文件 MEMORY CONFIGURATION name origin length used unused attr fill ---------------------- -------- --------- -------- -------- ---- -------- PAGE 0: RAMPRG 00008000 00000080 0000001d 00000063 RWIX OTP 003d7800 00000400 00000000 00000400 RWIX FLASHA 003e8000 0000ff80 0000efb3 00000fcd RWIX CSM_RSVD 003f7f80 00000076 00000076 00000000 RWIX BEGIN 003f7ff6 00000002 00000002 00000000 RWIX CSM_PWL 003f7ff8 00000008 00000008 00000000 RWIX IQTABLES 003fe000 00000b50 00000000 00000b50 RWIX IQTABLES2 003feb50 0000008c 00000000 0000008c RWIX IQTABLES3 003febdc 000000aa 00000000 000000aa RWIX ROM 003ff27c 00000d44 00000000 00000d44 RWIX RESET 003fffc0 00000002 00000000 00000002 RWIX VECTORS 003fffc2 0000003e 00000000 0000003e RWIX 错误信息见附件，请各位帮忙分析下原因，谢谢