Slides explaining Boundary Scan test principles - goJTAG
Slides explaining Boundary Scan test principles - goJTAG
Slides explaining Boundary Scan test principles - goJTAG
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Typical <strong>Boundary</strong> <strong>Scan</strong> Cell (BC_1)<br />
BC_1 is used both at input and output pins<br />
<strong>Scan</strong> Out<br />
(SO)<br />
Mode<br />
Data In<br />
(PI)<br />
0<br />
1<br />
Capture<br />
<strong>Scan</strong> Cell<br />
D Q<br />
Update<br />
Hold Cell<br />
D Q<br />
0<br />
1<br />
Data Out<br />
(PO)<br />
Clk<br />
Clk<br />
<strong>Scan</strong> In<br />
(SI)<br />
ShiftDR ClockDR<br />
UpdateDR<br />
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