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CC3200: 烧录异常请教

Part Number: CC3200
Other Parts Discussed in Thread: UNIFLASH

使用UNIFLASH(FT232串口)烧录时报错,报错内容如下:

[11:22:27] Begin Format operation.
[11:22:28] INFO: > Executing Operation: Connect
[11:22:30] INFO: setting break signal
[11:22:31] INFO: detecting FTDI for device reset
[11:22:31] ERROR: No device USB ports were found
[11:22:31] INFO: --- please restart the device ---
[11:22:46] ERROR: ---reading ACK signal failed---
[11:22:46] WARNING: ---seting break signal to false failed---
[11:22:48] INFO: setting break signal
[11:22:49] INFO: detecting FTDI for device reset
[11:22:49] ERROR: No device USB ports were found
[11:22:49] INFO: --- please restart the device ---
[11:23:04] ERROR: ---reading ACK signal failed---
[11:23:04] WARNING: ---seting break signal to false failed---
[11:23:06] INFO: setting break signal
[11:23:07] INFO: detecting FTDI for device reset
[11:23:07] ERROR: No device USB ports were found
[11:23:07] INFO: --- please restart the device ---
[11:23:22] ERROR: ---reading ACK signal failed---
[11:23:22] WARNING: ---seting break signal to false failed---
[11:23:24] INFO: setting break signal
[11:23:26] INFO: detecting FTDI for device reset
[11:23:26] ERROR: No device USB ports were found
[11:23:26] INFO: --- please restart the device ---
[11:23:41] ERROR: ---reading ACK signal failed---
[11:23:41] WARNING: ---seting break signal to false failed---
[11:23:41] FATAL: --- Can't connect to device !! ---
[11:23:41] FATAL: Error connecting to the device. Please check your COM port settings. Error code: -3
[11:23:41] INFO: > Executing Operation: Disconnect
[11:23:41] Operation Format returned.
[09:56:41] Begin Format operation.
[09:56:42] INFO: > Executing Operation: Connect
[09:56:44] INFO: setting break signal
[09:56:45] INFO: detecting FTDI for device reset
[09:56:45] ERROR: No device USB ports were found
[09:56:45] INFO: --- please restart the device ---
[09:57:00] ERROR: ---reading ACK signal failed---
[09:57:00] WARNING: ---seting break signal to false failed---
[09:57:02] INFO: setting break signal
[09:57:03] INFO: detecting FTDI for device reset
[09:57:03] ERROR: No device USB ports were found
[09:57:03] INFO: --- please restart the device ---
[09:57:18] ERROR: ---reading ACK signal failed---
[09:57:18] WARNING: ---seting break signal to false failed---
[09:57:20] INFO: setting break signal
[09:57:21] INFO: detecting FTDI for device reset
[09:57:21] ERROR: No device USB ports were found
[09:57:21] INFO: --- please restart the device ---
[09:57:34] Cancelling current process <Format>, please wait...
[09:57:36] ERROR: ---reading ACK signal failed---
[09:57:36] WARNING: ---seting break signal to false failed---
[09:57:38] INFO: setting break signal
[09:57:39] INFO: detecting FTDI for device reset
[09:57:39] ERROR: No device USB ports were found
[09:57:39] INFO: --- please restart the device ---
[09:57:39] INFO: Cancel button pressed
[09:57:40] WARNING: ---seting break signal to false failed---
[09:57:40] FATAL: --- Can't connect to device !! ---
[09:57:41] FATAL: Error connecting to the device. Please check your COM port settings. Error code: -2
[09:57:41] INFO: > Executing Operation: Disconnect

其中:1、SOP拉高和拉低都试过;2、中间也按要求进行过复位;3,端口号也没有问题

请给与指点是什么问题?下一步怎么处理?谢谢!