在用STM32F407做步进电机驱动项目，之前软件硬件都可以正常工作的，基本功能也实现了
昨天调试程序，改了下下位机，然后烧进去程序就无法运行了，再烧原来的好的程序进去也无法运行，板子上没做jtag接口，都是isp下载的，用了个led闪烁来验证板子是否正常工作，现在led常亮了，根本不闪
板子上各个器件温度正常，电压正常，硬件复位上电复位都试过，还是无法运行
没办法飞线出来swd调试，连上jlink，无法下载调试，试了好多次，都是显示下面两种情况，显示信息见最后
这种板子现在就剩这一块了，求各位高人能否帮我判断下是否是芯片坏了还是可能其他的原因
PS：SWD调试信息
Load "..\\ObjFlash\\stepmotor002.AXF"
Set JLink Project File to "D:\backup\项目\stepmotor\完全功能程序\stepmotor002\Project\JLinkSettings.ini"
JLink info:
------------
DLL: V4.34 , compiled Aug 26 2011 18:24:32
Firmware: J-Link ARM V8 compiled Sep 20 2012 13:27:01
Hardware: V8.00
S/N : 58007740
Feature(s) : RDI,FlashDL,FlashBP,JFlash,GDBFull
* JLink Info: Found SWD-DP with ID 0x2BA01477
* JLink Info: TPIU fitted.
* JLink Info: ETM fitted.
* JLink Info: FPUnit: 6 code (BP) slots and 2 literal slots
* JLink Info: Found Cortex-M4 r0p1, Little endian.
ROMTableAddr = 0xE00FF003
* JLink Info: Found SWD-DP with ID 0x2BA01477
* JLink Info: TPIU fitted.
* JLink Info: ETM fitted.
* JLink Info: FPUnit: 6 code (BP) slots and 2 literal slots
* JLink Info: Found Cortex-M4 r0p1, Little endian.
Target info:
------------
Device: STM32F407VE
VTarget = 3.215V
State of Pins:
TCK: 0, TDI: 1, TDO: 0, TMS: 1, TRES: 1, TRST: 1
Hardware-Breakpoints: 6
Software-Breakpoints: 8192
Watchpoints: 4
JTAG speed: 1000 kHz
Erase Done.
***JLink Error: Can not read register 15 (R15) while CPU is running
**JLink Warning: CPU could not be halted
***JLink Error: Could not read memory location 0x20000000 when trying to clear soft RAM BP
***JLink Error: Can not read register 20 (CFBP) while CPU is running
**JLink Warning: CPU could not be halted
***JLink Error: CPU is not halted
***JLink Error: Can not read register 15 (R15) while CPU is running
**JLink Warning: CPU could not be halted
***JLink Error: Could not read memory location 0x20000000 when trying to clear soft RAM BP
Programming Failed!
***JLink Error: Could not read memory location 0x20000000 when trying to clear soft RAM BP
Load "..\\ObjFlash\\stepmotor002.AXF"
Set JLink Project File to "D:\backup\项目\stepmotor\完全功能程序\stepmotor002\Project\JLinkSettings.ini"
JLink info:
------------
DLL: V4.34 , compiled Aug 26 2011 18:24:32
Firmware: J-Link ARM V8 compiled Sep 20 2012 13:27:01
Hardware: V8.00
S/N : 58007740
Feature(s) : RDI,FlashDL,FlashBP,JFlash,GDBFull
* JLink Info: Found SWD-DP with ID 0x2BA01477
* JLink Info: TPIU fitted.
* JLink Info: ETM fitted.
* JLink Info: FPUnit: 6 code (BP) slots and 2 literal slots
* JLink Info: Found Cortex-M4 r0p1, Little endian.
ROMTableAddr = 0xE00FF003
* JLink Info: Found SWD-DP with ID 0x2BA01477
* JLink Info: TPIU fitted.
* JLink Info: ETM fitted.
* JLink Info: FPUnit: 6 code (BP) slots and 2 literal slots
* JLink Info: Found Cortex-M4 r0p1, Little endian.
* JLink Info: SYSRESETREQ has confused core. Trying to reconnect and use VECTRESET.
* JLink Info: Found SWD-DP with ID 0x2BA01477
Target info:
------------
Device: STM32F407VE
VTarget = 3.215V
State of Pins:
TCK: 0, TDI: 1, TDO: 0, TMS: 1, TRES: 1, TRST: 1
Hardware-Breakpoints: 6
Software-Breakpoints: 8192
Watchpoints: 4
JTAG speed: 1000 kHz
Erase Done.
Programming Done.
Contents missmatch at: 08000184H (Flash=00H Required=43H) !
Contents missmatch at: 08000185H (Flash=F0H Required=02H) !
Contents missmatch at: 08000186H (Flash=02H Required=00H) !
Contents missmatch at: 08000187H (Flash=F8H Required=08H) !
Contents missmatch at: 0800018AH (Flash=3CH Required=02H) !
Contents missmatch at: 0800018CH (Flash=0AH Required=00H) !
Contents missmatch at: 0800018DH (Flash=A0H Required=F0H) !
Contents missmatch at: 0800018EH (Flash=90H Required=3CH) !
Contents missmatch at: 0800018FH (Flash=E8H Required=F8H) !
Contents missmatch at: 08000190H (Flash=00H Required=0AH) !
Contents missmatch at: 08000191H (Flash=0CH Required=A0H) !
Contents missmatch at: 08000192H (Flash=82H Required=90H) !
Contents missmatch at: 08000193H (Flash=44H Required=E8H) !
Contents missmatch at: 08000194H (Flash=83H Required=00H) !
Contents missmatch at: 08000195H (Flash=44H Required=0CH) !
Contents missmatch at: 08000196H (Flash=AAH Required=82H) !
Contents missmatch at: 08000197H (Flash=F1H Required=44H) !
Contents missmatch at: 08000198H (Flash=01H Required=83H) !
Contents missmatch at: 08000199H (Flash=07H Required=44H) !
Contents missmatch at: 0800019AH (Flash=DAH Required=AAH) !
Contents missmatch at: 0800019BH (Flash=45H Required=F1H) !
Contents missmatch at: 0800019DH (Flash=D1H Required=07H) !
Contents missmatch at: 0800019EH (Flash=00H Required=DAH) !
Contents missmatch at: 0800019FH (Flash=F0H Required=45H) !
Contents missmatch at: 080001A0H (Flash=31H Required=01H) !
Contents missmatch at: 080001A1H (Flash=F8H Required=D1H) !
Contents missmatch at: 080001A2H (Flash=AFH Required=00H) !
Contents missmatch at: 080001A3H (Flash=F2H Required=F0H) !
Contents missmatch at: 080001A4H (Flash=09H Required=31H) !
Contents missmatch at: 080001A5H (Flash=0EH Required=F8H) !
Contents missmatch at: 080001A6H (Flash=BAH Required=AFH) !
Contents missmatch at: 080001A7H (Flash=E8H Required=F2H) !
Contents missmatch at: 080001A8H (Flash=0FH Required=09H) !
Contents missmatch at: 080001A9H (Flash=00H Required=0EH) !
Contents missmatch at: 080001AAH (Flash=13H Required=BAH) !
Contents missmatch at: 080001ABH (Flash=F0H Required=E8H) !
Contents missmatch at: 080001ACH (Flash=01H Required=0FH) !
Contents missmatch at: 080001ADH (Flash=0FH Required=00H) !
Contents missmatch at: 080001AEH (Flash=18H Required=13H) !
Contents missmatch at: 080001AFH (Flash=BFH Required=F0H) !
Contents missmatch at: 080001B0H (Flash=FBH Required=01H) !
Contents missmatch at: 080001B1H (Flash=1AH Required=0FH) !
Contents missmatch at: 080001B2H (Flash=43H Required=18H) !
Contents missmatch at: 080001B3H (Flash=F0H Required=BFH) !
Contents missmatch at: 080001B4H (Flash=01H Required=FBH) !
Contents missmatch at: 080001B5H (Flash=03H Required=1AH) !
Contents missmatch at: 080001B6H (Flash=18H Required=43H) !
Contents missmatch at: 080001B7H (Flash=47H Required=F0H) !
Contents missmatch at: 080001B8H (Flash=28H Required=01H) !
Contents missmatch at: 080001B9H (Flash=23H Required=03H) !
Contents missmatch at: 080001BAH (Flash=00H Required=18H) !
Contents missmatch at: 080001BBH (Flash=00H Required=47H) !
Contents missmatch at: 080001BCH (Flash=48H Required=28H) !
Contents missmatch at: 080001C0H (Flash=10H Required=48H) !
Contents missmatch at: 080001C1H (Flash=3AH Required=23H) !
Contents missmatch at: 080001C2H (Flash=24H Required=00H) !
Contents missmatch at: 080001C3H (Flash=BFH Required=00H) !
Contents missmatch at: 080001C4H (Flash=78H Required=10H) !
Contents missmatch at: 080001C5H (Flash=C8H Required=3AH) !
Contents missmatch at: 080001C6H (Flash=78H Required=24H) !
Contents missmatch at: 080001C7H (Flash=C1H Required=BFH) !
Contents missmatch at: 080001C8H (Flash=FAH Required=78H) !
Contents missmatch at: 080001C9H (Flash=D8H Required=C8H) !
Contents missmatch at: 080001CAH (Flash=52H Required=78H) !
Contents missmatch at: 080001CBH (Flash=07H Required=C1H) !
Contents missmatch at: 080001CCH (Flash=24H Required=FAH) !
Contents missmatch at: 080001CDH (Flash=BFH Required=D8H) !
Contents missmatch at: 080001CEH (Flash=30H Required=52H) !
Contents missmatch at: 080001CFH (Flash=C8H Required=07H) !
Contents missmatch at: 080001D0H (Flash=30H Required=24H) !
Contents missmatch at: 080001D1H (Flash=C1H Required=BFH) !
Contents missmatch at: 080001D2H (Flash=44H Required=30H) !
Contents missmatch at: 080001D3H (Flash=BFH Required=C8H) !
Contents missmatch at: 080001D4H (Flash=04H Required=30H) !
Contents missmatch at: 080001D5H (Flash=68H Required=C1H) !
Contents missmatch at: 080001D6H (Flash=0CH Required=44H) !
Contents missmatch at: 080001D7H (Flash=60H Required=BFH) !
Contents missmatch at: 080001D8H (Flash=70H Required=04H) !
Contents missmatch at: 080001D9H (Flash=47H Required=68H) !
Contents missmatch at: 080001DAH (Flash=00H Required=0CH) !
Contents missmatch at: 080001DBH (Flash=00H Required=60H) !
Contents missmatch at: 080001DCH (Flash=00H Required=70H) !
Contents missmatch at: 080001DDH (Flash=23H Required=47H) !
Contents missmatch at: 080001DFH (Flash=24H Required=00H) !
Contents missmatch at: 080001E1H (Flash=25H Required=23H) !
Contents missmatch at: 080001E3H (Flash=26H Required=24H) !
Contents missmatch at: 080001E4H (Flash=10H Required=00H) !
Contents missmatch at: 080001E5H (Flash=3AH Required=25H) !
Contents missmatch at: 080001E6H (Flash=28H Required=00H) !
Contents missmatch at: 080001E7H (Flash=BFH Required=26H) !
Contents missmatch at: 080001E8H (Flash=78H Required=10H) !
Contents missmatch at: 080001E9H (Flash=C1H Required=3AH) !
Contents missmatch at: 080001EAH (Flash=FBH Required=28H) !
Contents missmatch at: 080001EBH (Flash=D8H Required=BFH) !
Contents missmatch at: 080001ECH (Flash=52H Required=78H) !
Contents missmatch at: 080001EDH (Flash=07H Required=C1H) !
Contents missmatch at: 080001EEH (Flash=28H Required=FBH) !
Contents missmatch at: 080001EFH (Flash=BFH Required=D8H) !
Contents missmatch at: 080001F0H (Flash=30H Required=52H) !
Contents missmatch at: 080001F1H (Flash=C1H Required=07H) !
Too many errors to display !
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