开发的DM6446的板子，完成上电测试后，发现无法连接仿真器。
【报告错误】
Error connecting to the target:
Error 0x80000244/-2131
Fatal Error during: Register, Initialization, OCS,
【测试环境】
IDE： CCS3.3.
仿真器：SEED-XDS510PLUG
【测试步骤】
1、测试环境已经在合纵达的SEED_DVS6446上连接，测试通过
2、问题估计是硬件问题，可能是模式设置相关，但没有思路。
新的错误信息为：
error connecting to the target:
Error 0x80002240/-171
Fatal Error during: Initialization, OCS, Control,
This error was generated by TI's USCIF driver.
SC_ERR_REG_DETECT_CTLR <-171>
The wrong controller address value has been used.
A controller cannot be detected even though the
selected port does match the hardware configuration.
The standard 560 ports are 0x0, 0x1, 0x2 and 0x3.
The standard EVM ports are 0x0, 0x1, 0x2 and 0x3.
The standard DSK ports are 0x378, 0x278 and 0x3BC.
The standard 510 ports are 0x240, 0x280, 0x320 and 0x340.
I/O Port = 0
Board Name: DM6446 SEEDXDS510PLUS Emulator
Cpu Name: ICEPICK_C_0
Abort: Close Code Composer Studio.
Retry: Try to connect to the target again.
Cancel: Remain disconnected from the target
Diagnostic: Run diagnostic utility.
