Xilinx KCU105 User Manual page 85

The KCU105 board supports both the internal FPGA sensor measurements and the external
measurement capabilities of the SYSMON. Internal measurements of the die temperature,
VCCINT, VCCAUX, and VCCBRAM are available. Header J48 can be used to select either an
external differential voltage reference (SYSMON_VREFP) or on-chip voltage reference
(jumper J48 2-3) for the analog-to-digital converter.
For external measurements SYSMON header (J75) is provided. This header can be used to
provide analog inputs to the FPGA's dedicated VP/VN input channel. The
VCCINT_SYSMON_SENSE_P/N signals from the series current sense R86 0.002 Ω VCCINT
resistor are also made available at J75.
X-Ref Target - Figure 1-37
Table 1-28 describes the SYSMON header J75 pin functions.
Table 1-28: SYSMON Header J75 Pinout
Schematic Net Name
NC
SYSMON_DXP, SYSMON_DXN
SYSMON_AGND
SYSMON_VREF
SYSMON_VCC
SYSMON_VN, SYSMON_VP
VCCINT_SYSMON_SENSE_P/N
For more information on the UltraScale System Monitor (SYSMON), see UltraScale
Architecture System Monitor User Guide (UG580)
KCU105 Board User Guide
UG917 (v1.4) September 25, 2015
Chapter 1: KCU105 Evaluation Board Features
Figure 1-37
Figure 1-37: SYSMON Header J75
J75 Pin
Number
1,3 No Connect
2,4 Access to thermal diode.
5,6 Analog ground reference.
7 REF3012 U40 1.25V.
8 Filtered VCC1V8 or ADP123 U14 1.85V.
9,10 Dedicated analog input channel for SYSMON.
11,12 MAX15301 U29 VCCINT series 0.002 Ω R86 IR-drop taps.
[Ref
www.xilinx.com
shows the header connections.
Description
12].
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