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PIMXRT201VXFP4A Datasheet(PDF) 85 Page - NXP Semiconductors |
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PIMXRT201VXFP4A Datasheet(HTML) 85 Page - NXP Semiconductors |
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85 / 119 page  Boot mode configuration i.MX RT1060 Crossover Processors for Consumer Products, Rev. 4, 04/2024 NXP Semiconductors 85 5 Boot mode configuration This section provides information on boot mode configuration pins allocation and boot devices interfaces allocation. 5.1 Boot mode configuration pins Table 71 provides boot options, functionality, fuse values, and associated pins. Several input pins are also sampled at reset and can be used to override fuse values, depending on the value of BT_FUSE_SEL fuse. The boot option pins are in effect when BT_FUSE_SEL fuse is ‘0’ (cleared, which is the case for an unblown fuse). For detailed boot mode options configured by the boot mode pins, see the i.MX RT1060 Fuse Map document and the System Boot chapter in i.MX RT1060 Reference Manual (IMXRT1060RM). 5.2 Boot device interface allocation The following tables list the interfaces that can be used by the boot process in accordance with the specific boot mode configuration. The tables also describe the interface’s specific modes and IOMUXC allocation, which are configured during boot when appropriate. Table 71. Fuses and associated pins used for boot Pad Default setting on reset eFuse name Details GPIO_AD_B0_04 100 K pull-down BOOT_MODE0 GPIO_AD_B0_05 100 K pull-down BOOT_MODE1 GPIO_B0_04 100 K pull-down BT_CFG[0] Boot Options, Pin value overrides fuse settings for BT_FUSE_SEL = ‘0’. Signal Configuration as Fuse Override Input at Power Up. These are special I/O lines that control the boot up configuration during product development. In production, the boot configuration can be controlled by fuses. GPIO_B0_05 100 K pull-down BT_CFG[1] GPIO_B0_06 100 K pull-down BT_CFG[2] GPIO_B0_07 100 K pull-down BT_CFG[3] GPIO_B0_08 100 K pull-down BT_CFG[4] GPIO_B0_09 100 K pull-down BT_CFG[5] GPIO_B0_10 100 K pull-down BT_CFG[6] GPIO_B0_11 100 K pull-down BT_CFG[7] GPIO_B0_12 100 K pull-down BT_CFG[8] GPIO_B0_13 100 K pull-down BT_CFG[9] GPIO_B0_14 100 K pull-down BT_CFG[10] GPIO_B0_15 100 K pull-down BT_CFG[11] Table 72. Boot trough NAND PAD Name IO Function ALT Comments GPIO_EMC_00 semc.DATA[0] ALT 0 — GPIO_EMC_01 semc.DATA[1] ALT 0 — GPIO_EMC_02 semc.DATA[2] ALT 0 — |
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