Table 10. Capacitor recommendations to be placed near i.MX8 QXP
2
(continued)
Checkbox Supply
0.22
µF
1 µF
2.2
µF
10
µF
22 µF Notes
VDD_A35 3 2 7 3 4
VDD_GPU 11 3 4
VDD_MIPI_1P0 --- --- 1 --- ---
These two balls (AD18 and AE19)
are connected to the VDD_MAIN
rail, so there are 13 2.2 µF caps
on VDD_MAIN.
VDD_ANA0_1P8 1 --- 1 --- ---
VDD_ANA1_1P8 1 --- 1 --- ---
Through LRC filter (see the
development platform schematic).
VDD_SNVS_4P2 2 --- --- --- ---
VDD_SNVS_LDO_1P8_CAP 1 --- 1 --- --- -
VDD_CAN_UART_1P8_3P3 2 --- --- --- ---
VDD_ESAI_SPDIF_1P8_2P5_3P3 2 --- --- --- ---
VDD_SPI_SAI_1P8_3P3 2 --- --- --- ---
VDD_SPI_MCLK_UART_1P8_3P3 2 --- --- --- ---
VDD_ADC_DIG_1P8 2 --- --- --- ---
VDD_ADC_1P8
ADC_VREFH
3 --- --- ---
Supply through one 120 Ω
ferrite bead.
VDD_MIPI_1P8_n 2 --- 1 --- ---
Supply through one 120 Ω
ferrite bead.
VDD_MIPI_DSI_DIG_1P8_3P3 2 --- --- --- ---
VDD_MIPI_CSI_DIG_1P8 2 --- --- --- ---
VDD_TMPR_CSI_1P8_3P3 1 --- --- --- ---
VDD_CSI_1P8_3P3
4
--- --- --- ---
Supply through one 120 Ω
ferrite bead.
VDD_DDR_PLL_1P8 1 1 --- 1 ---
Supply through one 120 Ω
ferrite bead.
VDD_USDHC1_1P8_3P3 1 --- --- --- --- 2 x 0.1 uF or 1 x 0.22 uF.
VDD_USDHC1_VSELECT_1P8_3P3 2 --- --- --- ---
Table continues on the next page...
NXP Semiconductors
i.MX8 QM and QXP design checklist
i.MX8 QM / i.MX8 QXP Hardware Developer’s Guide, Rev. 2.4p, 06/2021
User's Guide 14 / 89
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