TI中文支持网用TI的DC-PLC全套demo，电路板和程序，目前在烧录程序环节出现如下问题
C28xx: Failed Software Reset: (Error -1137 @ 0x0) Device is held in reset. Take the device out of reset, and retry the operation. (Emulation package 5.0.681.0)
C28xx: Trouble Reading PC Register: (Error -1137 @ 0x0) Device is held in reset. Take the device out of reset, and retry the operation. (Emulation package 5.0.681.0)
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 5.0.681.0)
C28xx: GEL: Error while executing OnReset(1): target access failed at (ST1&~(0x0100)) [f28035.gel:292] at C28x_Mode() [f28035.gel:32] at OnReset(1) .
C28xx: Failed Software Reset: (Error -1137 @ 0x0) Device is held in reset. Take the device out of reset, and retry the operation. (Emulation package 5.0.681.0)
C28xx: Trouble Reading PC Register: (Error -1137 @ 0x0) Device is held in reset. Take the device out of reset, and retry the operation. (Emulation package 5.0.681.0)
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 5.0.681.0)
C28xx: GEL: Error while executing OnReset(1): target access failed at (ST1&~(0x0100)) [f28035.gel:292] at C28x_Mode() [f28035.gel:32] at OnReset(1) .
C28xx: Flash Programmer: Error erasing flash memory. Device is locked or not connected. Operation cancelled
C28xx: Flash Programmer: Error erasing Flash memory.
C28xx: Error resuming a profile counter: (Error -1137 @ 0xAE8) Device is held in reset. Take the device out of reset, and retry the operation. (Emulation package 5.0.681.0)
C28xx: Flash Programmer: Device is locked or not connected. Operation cancelled.
C28xx: Trouble Writing Memory Block at 0x3f7358 on Page 0 of Length 0x100: (Error -1137 @ 0xAE8) Device is held in reset. Take the device out of reset, and retry the operation. (Emulation package 5.0.681.0)
C28xx: GEL: File: H:\Projects\CCSV5.2\DC_PLC_Software_Demo\firmware\dsp_c28x\plc_lite\src\master\Debug\dc_plc_master.out: Load failed.
DSP
目前确认的信息是芯片供电正常，LDO出电1.9V，略高，用XDS100V2仿真器（非原厂）用示波器确认TRST引脚有低电平输出，但是是一个单纯的低电平输出，无间隔。
CCSV5.2编译无warning，目标链接检测正常
求指导
rookiecalf：
XRS引脚是否正常
用TI的DC-PLC全套demo，电路板和程序，目前在烧录程序环节出现如下问题
C28xx: Failed Software Reset: (Error -1137 @ 0x0) Device is held in reset. Take the device out of reset, and retry the operation. (Emulation package 5.0.681.0)
C28xx: Trouble Reading PC Register: (Error -1137 @ 0x0) Device is held in reset. Take the device out of reset, and retry the operation. (Emulation package 5.0.681.0)
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 5.0.681.0)
C28xx: GEL: Error while executing OnReset(1): target access failed at (ST1&~(0x0100)) [f28035.gel:292] at C28x_Mode() [f28035.gel:32] at OnReset(1) .
C28xx: Failed Software Reset: (Error -1137 @ 0x0) Device is held in reset. Take the device out of reset, and retry the operation. (Emulation package 5.0.681.0)
C28xx: Trouble Reading PC Register: (Error -1137 @ 0x0) Device is held in reset. Take the device out of reset, and retry the operation. (Emulation package 5.0.681.0)
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 5.0.681.0)
C28xx: GEL: Error while executing OnReset(1): target access failed at (ST1&~(0x0100)) [f28035.gel:292] at C28x_Mode() [f28035.gel:32] at OnReset(1) .
C28xx: Flash Programmer: Error erasing flash memory. Device is locked or not connected. Operation cancelled
C28xx: Flash Programmer: Error erasing Flash memory.
C28xx: Error resuming a profile counter: (Error -1137 @ 0xAE8) Device is held in reset. Take the device out of reset, and retry the operation. (Emulation package 5.0.681.0)
C28xx: Flash Programmer: Device is locked or not connected. Operation cancelled.
C28xx: Trouble Writing Memory Block at 0x3f7358 on Page 0 of Length 0x100: (Error -1137 @ 0xAE8) Device is held in reset. Take the device out of reset, and retry the operation. (Emulation package 5.0.681.0)
C28xx: GEL: File: H:\Projects\CCSV5.2\DC_PLC_Software_Demo\firmware\dsp_c28x\plc_lite\src\master\Debug\dc_plc_master.out: Load failed.
DSP
目前确认的信息是芯片供电正常，LDO出电1.9V，略高，用XDS100V2仿真器（非原厂）用示波器确认TRST引脚有低电平输出，但是是一个单纯的低电平输出，无间隔。
CCSV5.2编译无warning，目标链接检测正常
求指导
Johnson Chen1：
从提示的问题来看，芯片已经加密了。
