Intel® MAX® 10 JTAG Boundary-Scan Testing User Guide

ID 683210
Date 11/01/2021

5. Enabling and Disabling JTAG BST Circuitry

The JTAG BST circuitry in Intel® MAX® 10 devices is automatically enabled after the power-up.

To ensure that you do not inadvertently enable the JTAG BST circuitry when it is not required, disable the circuitry permanently with pin connections as listed in the following table.

Table 6.  Pin Connections to Permanently Disable the JTAG BST Circuitry in Intel® MAX® 10 Devices
JTAG Pins Connection to Disable
TMS VCCIO supply of Bank 1B
TDI VCCIO supply of Bank 1B
TDO Leave open

You must enable this circuitry only if you use the BST or in-system programming (ISP) features.

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