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自己做了一块板子,用的是1280的单片机,现在调试,用的是Jtag MKII仿真器,开发环境atmel studio6.0,外部晶振11.0592MHz,
现在的问题是程序能下载进去,熔丝位也能编程,但是调试的时候根本进不了main()函数,暂停后再反汇编中看到程序指针在:
0000FFFF NOP Undefined处,望高手帮助,谢谢!
我的熔丝位配置是:
BODLEVEL = DISABLED
OCDEN = [ ]
JTAGEN = [X]
SPIEN = [X]
WDTON = [ ]
EESAVE = [ ]
BOOTSZ = 4096W_F000
BOOTRST = [ ]
CKDIV8 = [ ]
CKOUT = [ ]
SUT_CKSEL = EXTXOSC_8MHZ_XX_16KCK_65MS
EXTENDED = 0xFF (valid)
HIGH = 0x99 (valid)
LOW = 0xFF (modified)
我看见prog FLASH里全是FF,可是我在烧写读回是有值的:
:100000000C9490000C94AF000C94AF000C94AF00D3
:100010000C94AF000C94AF000C94AF000C94AF00A4
:100020000C94AF000C94AF000C94AF000C94AF0094
:100030000C94AF000C94AF000C94AF000C94AF0084
:100040000C94AF000C94AF000C94AF000C94AF0074 |
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