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求高手指点,C6748 JTAG连接不上

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mucanhin|  楼主 | 2013-1-29 23:02 | 只看该作者 回帖奖励 |倒序浏览 |阅读模式
JTAG, se, AD, TI, AI
使用UART BOOT (PC机采用 UART BOOT HOST ),打印信息如下:

(File IO): Read 33380 bytes from file E:\b.bin.
(Serial Port): Opening COM1 at 115200 baud...
(AIS Parse): Read magic word 0x41504954.
(AIS Parse): Waiting for BOOTME... (power on or reset target now)
(Serial Port): Read error: 由于线程退出或应用程序请求,已放弃 I/O 操作。

(AIS Parse): BOOTME received!
(AIS Parse): Performing Start-Word Sync...
(AIS Parse): Performing Ping Opcode Sync...
(AIS Parse): Processing command 0: 0x58535901.
(AIS Parse): Performing Opcode Sync...
(Serial Port): Read error: The operation has timed out.
(AIS Parse): I/O Error in read!
(Serial Port): Read error: The operation has timed out.
(AIS Parse): I/O Error in read!
(Serial Port): Read error: The operation has timed out.
(AIS Parse): I/O Error in read!
(Serial Port): Read error: The operation has timed out.
(AIS Parse): I/O Error in read!
(Serial Port): Read error: The operation has timed out.
(AIS Parse): I/O Error in read!
(Serial Port): Read error: The operation has timed out.
(AIS Parse): I/O Error in read!
(Serial Port): Read error: The operation has timed out.
(AIS Parse): I/O Error in read!
(Serial Port): Read error: The operation has timed out.
(AIS Parse): I/O Error in read!
(Serial Port): Read error: The operation has timed out.
(AIS Parse): I/O Error in read!
(Serial Port): Read error: The operation has timed out.
(AIS Parse): I/O Error in read!
(Serial Port): Read error: The operation has timed out.
(AIS Parse): I/O Error in read!
(AIS Parse): Opcode Sync failed after 11 consecutive I/O failures.
(AIS Parse): Boot aborted.
(Serial Port): Closing COM1.

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沙发
mucanhin|  楼主 | 2013-1-29 23:02 | 只看该作者

使用UART BOOT时,PC用超级终端能 收到 BOOTME。

但是JTAG不能连接。UART BOOT 也不能成功,请问为什么

SPI BOOT 方式,BOOT 示波器能观测到开始时SPI-CLK 有8个8BIT 方波。

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板凳
zhoumingzr| | 2013-1-29 23:13 | 只看该作者
你好,板卡上是否有复位按钮,在连接CCS之前,按复位键再connection,试试。

如果还不行,建议测试JTAG的信号是否正常,还有能否把无法连接的报错发上来?

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