Datasheet
i.MX 8QuadXPlus and 8DualXPlus Automotive and Infotainment Applications Processors, Rev. 0, 11/2018
26 NXP Semiconductors
PRELIMINARY
Electrical characteristics
Table 13. Power supplies usage
Supply
Groups
Voltage
Group 0
2.4 - 4.2v 1.8v internal LDO
VDD_SNVS_4P2 VDD_TMPR_CSI_1P8_3P3
1
1
Supply connection varies dependent on use case. For use as tamper pin, it must be tied to the SNVS_LDO_1P8. If used as a CSI/SAI, it is tied to I/O supply.
Group 1
1.0v 1.8v
VDD_MAIN VDD_ANAx_1P8
VDD_MIPI_1P0
Group 2
1.2 - 1.35v 1.8v 1.8v or 3.3v 1.8v or 3.3v switchable 3.3v
VDD_DDR_VDDQ VDD_ADC_DIG_1P8 VDD_CAN_UART_1P8_3P3 VDD_EMMC0_1P8_3P3 VDD_USB_3P3
VDD_ADC_1P8 VDD_CSI_1P8_3P3 VDD_USDHC1_1P8_3P3
VDD_DDR_PLL_1P8 VDD_EMMC0_VSELECT_1P8_3P3
VDD_MIPI_1P8 VDD_ENET_MDIO_1P8_3P3
VDD_MIPI_CSI_DIG_1P8 VDD_MIPI_DSI_DIG_1P8_3P3
VDD_PCIE_1P8 VDD_PCIE_DIG_1P8_3P3
VDD_USB_1P8 VDD_QSPI0x_1P8_3P3
VDD_SPI_MCLK_UART_1P8_3P3
VDD_SPI_SAI_1P8_3P3
VDD_TMPR_CSI_1P8_3P3
1
VDD_USDHC1_VSELECT_1P8_3P3
Group 3
1.1 - 1.1v 1.0v internal LDO's 1.8v or 2.5v or 3.3v
VDD_A35
2
2
VDD_A35 and VDD_GPU can be combined with one power supply.
VDD_USB_OTG_1P0 VDD_ENET0_1P8_2P5_3P3
VDD_GPU
2
VDD_ENET0_VSELECT_1P8_2P5_3P3
VDD_ESAI_SPDIF_1P8_2P5_3P3