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How to make MSP430G2210 doing fuse check by Spy Bi Wire mode?

Hello all:

I 'm confused about how to using SBW to simulate fuse check with 4 wired JTAG .

 

In slau320i.pdf page .13 ,it shows that I send TMS slot ,TDI slot,TDO slot in SBW mode may translate to TCK low -->TCK High -- > TCK high  in MSP430 ;

 

according to Page.22 Figure 1-12,if I want to make a fuse check ,I have to toggling TMS three times when TCK keeps high.

 

I have no idea that how could I toggling TMS three times when TCK keeps high,please give me some advice.

Or could someone offer me the correct way to make fuse check with SBW ?

 

Thanks a lot.

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