| 摘要 |
A programmable logic device for transferring JTAG scan data to a target device is disclosed. The programmable logic device includes a JTAG logic that communicates with a JTAG scan chain and interprets user-defined instructions received from the JTAG scan chain to generate control signals used by a target device interface and the target device interface, which transmits output data to a target device and receives input data from the target device in response to the control signals.
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