Embedded boundary scanning technique verification platform
A technology of boundary scan and verification platform, applied in the direction of measuring devices, instruments, measuring electricity, etc.
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[0022] Such as figure 1 As shown, a kind of embedded boundary scan technical verification platform, comprises the multiple embedded module test that is connected by TM bus and maintains bus interface unit (bus interface unit, be called for short BIU) and JTAG link interface, described multiple embedded The module test and maintenance bus interface unit is provided with a JTAG interface, and the JTAG interface is connected with the JTAG link interface.
[0023] Wherein, a bus monitor is also included, and the multiple embedded module test and maintenance bus interface units are connected to the bus monitor.
[0024] Wherein, the TM bus is a serial backplane bus with a multi-site topology, consisting of four required signal lines and an optional signal line in the following table:
[0025] signal name I / O illustrate MCLK enter TM bus clock MCTL input Output TM bus control MMD input Output TM bus master module data MSD input Output...
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