JTAG chain Definition

One or more devices through which programming and/or configuration data are passed from device to device via the Joint Test Action Group (JTAG) Boundary-Scan Test (BST) circuitry. A JTAG chain can consist of only one device.

In JTAG mode, the Quartus® Prime Standard Edition Programmer can program or configure all Altera devices supported by the Quartus® Prime Standard Edition software. The Quartus® Prime Standard Edition Programmer can also program EPC2, EPC4, EPC8, and EPC16 configuration devices in JTAG mode. The JTAG chain can contain any number and combination of Altera and non-Altera devices that comply with the IEEE 1149.1 JTAG specification.

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