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TDO

Boundary Scan Data Output Pad

XC3000
XC4000E
XC4000X
XC5200
XC9000
Spartan
SpartanXL
Virtex
N/A
Primitive
Primitive
Primitive
N/A
Primitive
Primitive
N/A

figures/x3899n.gif

The TDO data output pad is connected to the boundary scan TDO output. It is connected to the external circuit to provide the boundary scan data for each Low-to-High TCK transition. The function of the TDO pad is device configuration dependent and can be used as follows.

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