Agilex™ 5 FPGA E-Series 065B Premium Development Kit User Guide

ID 814550
Date 5/24/2024
Public
Document Table of Contents

A.2.1. JTAG Master Sources

The Agilex™ 5 HPS JTAG can be accessed from either SDM dedicated JTAG pins or HPS dedicated I/Os. When it is accessed from SDM JTAG pins (FPGA_1V8_TDO/TMS/TCK/TDI), SDM is chained with HPS inside FPGA. When it is accessed from HPS dedicated I/Os (HPS_GPIO[32:35]), HPS is chained externally by PCB traces.
Table 7.  JTAG Master Sources
Schematic Signal Name Description
EXT_JTAG_TCK/TDO/TMS/TDI JTAG header J2 for external Intel® FPGA Download Cable.
FX2_Dp/n Input port J27 for embedded Intel® FPGA Download Cable.
HPS_GPIO[32:35] Mictor* 38-pin header on HPS Out of Box Experience (OOBE) card.
JTAG master source is selected by SW16[3].
SW16 [3] Description
OFF Embedded Intel® FPGA Download Cable acts as JTAG master.
ON External Intel® FPGA Download Cable acts as JTAG master.
JTAG chain is selected by SW16[2] and SW16[4]. The FPGA JTAG is always included in the JTAG chain by default.
Switch Position Description
SW16[2] ON Bypass HPS JTAG in JTAG chain.
OFF Include HPS JTAG in JTAG chain.
SW16[4] ON Bypass FMC JTAG in JTAG chain.
OFF Include FMC JTAG in JTAG chain.