28027下载程序后出现C28xx: Failed CPU Reset: (Error -1137 @ 0x0) Device is held in reset. Take the device out of reset, and retry the operation. (Emulation package 5.1.450.0)
C28xx: Trouble Reading Register PC: (Error -1137 @ 0x0) Device is held in reset. Take the device out of reset, and retry the operation. (Emulation package 5.1.450.0)
C28xx: Trouble Reading Register ST1: (Error -1137 @ 0x6) Device is held in reset. Take the device out of reset, and retry the operation. (Emulation package 5.1.450.0)
C28xx: GEL: Error while executing OnReset(1): Target failed to read register ST1 at (ST1&~(0x0100)) [f28027.gel:272] at C28x_Mode() [f28027.gel:33] at OnReset(1) .
C28xx: Failed CPU Reset: (Error -1137 @ 0x0) Device is held in reset. Take the device out of reset, and retry the operation. (Emulation package 5.1.450.0)
C28xx: Trouble Reading Register PC: (Error -1137 @ 0x0) Device is held in reset. Take the device out of reset, and retry the operation. (Emulation package 5.1.450.0)
C28xx: Trouble Reading Register ST1: (Error -1137 @ 0x6) Device is held in reset. Take the device out of reset, and retry the operation. (Emulation package 5.1.450.0)
C28xx: GEL: Error while executing OnReset(1): Target failed to read register ST1 at (ST1&~(0x0100)) [f28027.gel:272] at C28x_Mode() [f28027.gel:33] at OnReset(1) .
C28xx: Trouble Writing Memory Block at 0x0 on Page 0 of Length 0x2: (Error -1137 @ 0x6) Device is held in reset. Take the device out of reset, and retry the operation. (Emulation package 5.1.450.0)
C28xx: GEL: File: C:\ti\controlSUITE\device_support\f2802x\v125\DSP2802x_examples_ccsv4\sci_echoback\Debug\Example_2802xSci_echoback.out: Load failed.
复位引脚的确是低电平，正常是高电平，但是外围电路都是正常的，把芯片卸下来后该点测得是高电平，为什么芯片在时电平被强行拉低了，求助 |
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