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<section begin="History" />{| style="border-collapse:collapse; "! colspan="4" style="width:100%; text-align:left" ; border-bottom:solid 2px #ededed" |History|- ! style="border-left:solid 2px #73B2C7; border-right:solid 2px #73B2C7;border-top:solid 2px #73B2C7; border-bottom:solid 2px #73B2C7; background-color:#73B2C7; padding:5px; color:white" |Version! style="border-left:solid 2px #73B2C7; border-right:solid 2px #73B2C7;border-top:solid 2px #73B2C7; border-bottom:solid 2px #73B2C7; background-color:#73B2C7; padding:5px; color:white" |Issue Date! style="border-left:solid 2px #73B2C7; border-right:solid 2px #73B2C7;border-top:solid 2px #73B2C7; border-bottom:solid 2px #73B2C7; background-color:#73B2C7; padding:5px; color:white" |Notes|-| style="border-left:solid 2px #73B2C7; border-right:solid 2px #73B2C7;border-top:solid 2px #73B2C7; border-bottom:solid 2px #73B2C7; background-color:#edf8fb; padding:5px; color:#000000" |1.0.0| style="border-left:solid 2px #73B2C7; border-right:solid 2px #73B2C7;border-top:solid 2px #73B2C7; border-bottom:solid 2px #73B2C7; background-color:#edf8fb; padding:5px; color:#000000" |Sep 2021| style="border-left:solid 2px #73B2C7; border-right:solid 2px #73B2C7;border-top:solid 2px #73B2C7; border-bottom:solid 2px #73B2C7; background-color:#edf8fb; padding:5px; color:#000000" |Add JTAG EVB connector|-|}<section end="History" />__FORCETOC__<section begin="Body" /> ==On board JTAG connector== JTAG signals are routed to a dedicated connector on the AXEL Lite PCB. The connector is placed on the top side of the PCB, at the upper-right corner (please see the picture below). [[File:Axellite-jtag-conn.png|500px|frameless|border]] === J7 - SOM Connector's pinout === J7 footprint mates with Samtec FSI-110-03-G-S connector. The following table reports the connector's pinout: [[File:AXEL Lite-EVB-JTAG-connector.png|thumb|center| 500px|JTAG connector]] {| class="wikitable" |-!Pin# !Pin name!Function!ARM-20 JTAG!Notes|-|1 || DGND || - |4,6,8,10,12,14,16,18,20|| For example documented on [https:AXEL_Lite_SOM/AXEL_Lite_Hardware/Power_and_Resetwww2.lauterbach.com/JTAG}pdf/app_arm_jtag.pdf#page=3 Lauterbach specification]|-|2 || JTAG_TCK || - |9|| -|-|3 || JTAG_TMS || - |7|| 10K pull-up to 3V3 (BOARD_PGOOD driven signal)|-|4 || JTAG_TDO || - |13|| 10K pull-up to 3V3 (BOARD_PGOOD driven signal)|-|5 || JTAG_TDI || - |5|| 10K pull-up to 3V3 (BOARD_PGOOD driven signal)|-|6 || JTAG_nTRST || - |3 (*) || 10K pull-up to 3V3 (BOARD_PGOOD driven signal)|-|7 || CPU_PORn || - |15 (*)|| -|-|8 || N.C. || - ||| -|-|9 || N.C. || - ||| -|-|10 || JTAG_VREF || - |1|| 3V3 (BOARD_PGOOD driven signal)|-|}(*) keep the possibility to be unconnected
=== JD1 - EVB Connector's pinout ===
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[[Category:AXEL Lite]]