I/O Voltage Rails - UG1713

SCU35 Evaluation Board User Guide (UG1713)

Document ID
UG1713
Release Date
2025-11-21
Revision
v1.0 English
The XSU35P device I/O bank voltages on the board are listed in the following table.
Note: See the Spartan UltraScale+ FPGA Data Sheet: DC and AC Switching Characteristics (DS930) for more information.
Table 1. I/O Voltage Rails
SU+ Device (U2) Bank Power Supply Rail Net Name Voltage Description
PMC Bank 0 VR_VCCO_0_1V8 1.8V JTAG, QSPI, SYSMON
HDIO Bank 45 VR_VCCO_45_46_ADJ 1.197 V, 1.5 V, 1.8 V, 2.5 V,

3.3 V (default)

Raspberry Pi HATs, GPIO LEDs, GPIO DIP switches
HDIO Bank 46 VR_VCCO_45_46_ADJ 1.197 V, 1.5 V, 1.8 V, 2.5 V,

3.3 V (default)

Raspberry Pi HATs
HPIO Bank 47 VR_VCCO_47_1V8 1.8V HyperRAM, HSIO, system clock, HPIO loopback
HDIO Bank 66 VR_VCCO_65_66_67_68_3V3 3.3V Pmods, SYSMON I2C, MikroBUS (Click)
HDIO Bank 67 VR_VCCO_65_66_67_68_3V3 3.3V Accelerometer I2C and interrupts, MikroBUS (Click) analog, debug header, CPU reset, INA alert, HSIO I2C, load switch enables, USB-C fault, HDIO loopback, USB-C PD I2C, INA I2C, EEPROM I2C.
HDIO Bank 68 VR_VCCO_65_66_67_68_3V3 3.3 V Arduino, XADC VCCAUX, load switch enables, MikroBUS (Click) analog, fan enable.