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MSP-EXP430G2: 问一个目标板的问题？

xu ruian
Prodigy 40 points
Part Number: MSP-EXP430G2

手头有一块MSP-EXP430G2，发现它有一个SBW的对外接口，

不知道这个SBW的接口可不可以仿真另一个目标板。就是将跳线J3全部断开，使用J4的2.3.4.5四个脚，对应 VCC，SBWTCK ,SBWTDIO,GND.

如果看可以的话，能仿真全系列的MSP430吗？

  • 0
    TI__Guru* 88725 points

    1、可以仿真其他板子，这可以看成就是一个JTAG接口。

    2、这个你可以看一下user's guide中的说明：On some Spy-Bi-Wire capable MSP430 devices, TEST/SBWTCK is very sensitive to rising signal edges that can cause the test logic to enter a state where an entry sequence (either 2‑wire or 4-wire) is not recognized correctly and JTAG access stays disabled. Unintentional edges on SBWTCK can occur when the JTAG connector is connected to the target device.