Jumpers
The following table lists the default jumper settings.
Table 3: Default Jumper Settings
Callout Reference
Design
Function
Default
Schematic
Page
1
J1
POR_OVERRIDE
2-3
3
1-2: Enable
2-3: Disable
2
J2
SYSMON I2C Address
ON
3
OFF: SYSMON_VP_R floating
ON: SYSMON_VP_P pulled down
J3
SYSMON I2C Address
ON
3
OFF: SYSMON_VN_R floating
ON: SYSMON_VP_N pulled down
J4
SYSMON VREFP
1-2
3
1-2: 1.25V VREFP connected to fpga
2-3: VREFP connected to GND
3
J15
Reset Sequencer PS_POR_B
ON
10
OFF: Sequencer does not control PS_POR_B
ON: Sequencer can control PS_POR_B
J16
Reset Sequencer PS_SRST_B
ON
10
OFF: Sequencer does not control PS_SRST_B
ON: Sequencer can control PS_SRST_B
J17
Reset Sequencer inhibit
OFF
10
OFF: Sequencer normal operation
ON: Sequencer inhibit (resets will stay asserted)
4
ULPI USB3320 U6 ULPIO_VBUS_SEL option jumper
OFF
20
J19
ON: Selects U17 MIC2544A switch 5V for VBUS
OFF: Normal operation, VBUS from J18 USB3.0 conn.
J20
USB 3.0 Connector J18 Shield connection options
2-3
20
1-2: J20 shield capacitor C171 to GND
2-3: J20 shield directly to GND
5
J22
SD3.0 U107 IP4856CX25 level-trans. ref. voltage select
1-2
24
1-2: Track SD3.0 J12 socket UTIL_3V3 3.3V
2-3: GND = revert to internal voltage reference
Chapter 2: Board Setup and Configuration
UG1532 (v1.0) March 30, 2022
ZCU670 Board User Guide
16