ZCU106 Board User Guide 62
UG1244 (v1.0) March 28, 2018 www.xilinx.com
Chapter 3: Board Component Descriptions
Table 3-19: I2C0 Port Expander TCA6416A U61 Connections
TCA6416A
U61
Schematic Net Name
Connected To
Pin
Name
Pin
No.
Pin
Name
Pin No.
Reference
Designator
Device
SDA 23 I2C0_SDA
See connections shown in Figure 3-17.
TCA6416A U61 Addr. 0x21
SCL 22 I2C0_SCL
P00 4 VCCPSPLL_EN 2 B U140
SN74LVC1G08
enable gate for
respective power
rail
P01 5 MGTRAVCC_EN 2 B U112
P02 6 MGTRAVTT_EN 2 B U130
P03 7 VCCPSDDRPLL_EN 2 B U142
P04 8 MIO26_PMU_INPUT_LS 4 B U147 SN74AVC1T45
P05 9 PL_PMBUS_ALERT 3 ALERT
U16,U65,U74,
U75,U79,U80,
U81,U84
INA226 OP AMPS
P06 10 PS_PMBUS_ALERT 3 ALERT
U15,U76,U77,U78,U
87,U85,U86,U88,
U92,U93
INA226 OP AMPS
P07 11 MAXIM_PMBUS_ALERT 9,11,13 ALERT
J84.7,U4,U8,U7
U9,U10,U13,U18,
U46,U47,U49,U63,
U95,U96
MAX15301:9,
MAX15303:11,
MAX20751:13
P10 13 PL_DDR4_VTERM_EN 7 EN U35 TPS51200
P11 14 PL_DDR4_VPP_2V5_EN 5 EN U38 MAX15027
P12 15 PS_DIMM_VDDQ_TO_PSVCCO_ON C2 ON U57 TPS22924
P13 16 PS_DIMM_SUSPEND_EN 1 A U26 OR-GATE
P14 17 PS_DDR4_VTERM_EN 7 EN U36 TPS51200
P15 18 PS_DDR4_VPP_2V5_EN 5 EN U39 MAX15027
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