diff --git a/Ubiquitous/Nuttx/aiit_board/xidatong/configs/usdhc/defconfig b/Ubiquitous/Nuttx/aiit_board/xidatong/configs/usdhc/defconfig
new file mode 100644
index 000000000..c22671e64
--- /dev/null
+++ b/Ubiquitous/Nuttx/aiit_board/xidatong/configs/usdhc/defconfig
@@ -0,0 +1,73 @@
+#
+# This file is autogenerated: PLEASE DO NOT EDIT IT.
+#
+# You can use "make menuconfig" to make any modifications to the installed .config file.
+# You can then do "make savedefconfig" to generate a new defconfig file that includes your
+# modifications.
+#
+CONFIG_ADD_NUTTX_FETURES=y
+CONFIG_ARCH="arm"
+CONFIG_ARCH_BOARD="xidatong"
+CONFIG_ARCH_BOARD_XIDATONG=y
+CONFIG_ARCH_CHIP="imxrt"
+CONFIG_ARCH_CHIP_IMXRT=y
+CONFIG_ARCH_CHIP_MIMXRT1052CVL5B=y
+CONFIG_ARCH_INTERRUPTSTACK=10240
+CONFIG_ARCH_STACKDUMP=y
+CONFIG_ARMV7M_DCACHE=y
+CONFIG_ARMV7M_DCACHE_WRITETHROUGH=y
+CONFIG_ARMV7M_ICACHE=y
+CONFIG_ARMV7M_USEBASEPRI=y
+CONFIG_BOARD_LOOPSPERMSEC=104926
+CONFIG_BUILTIN=y
+CONFIG_DEBUG_FEATURES=y
+CONFIG_DEBUG_FULLOPT=y
+CONFIG_DEBUG_SYMBOLS=y
+CONFIG_DEV_URANDOM=y
+CONFIG_DEV_ZERO=y
+CONFIG_FAT_LCNAMES=y
+CONFIG_CLOCK_MONOTONIC=y
+CONFIG_FAT_LFN=y
+CONFIG_FS_FAT=y
+CONFIG_FS_PROCFS=y
+CONFIG_IDLETHREAD_STACKSIZE=2048
+CONFIG_EXAMPLES_HELLO=y
+CONFIG_IMXRT1020_EVK_QSPI_FLASH=y
+CONFIG_IMXRT_GPIO1_0_15_IRQ=y
+CONFIG_IMXRT_GPIO_IRQ=y
+CONFIG_IMXRT_LPUART1=y
+CONFIG_IMXRT_USDHC1=y
+CONFIG_IMXRT_USDHC1_WIDTH_D1_D4=y
+CONFIG_INTELHEX_BINARY=y
+CONFIG_IOB_NBUFFERS=24
+CONFIG_IOB_NCHAINS=8
+CONFIG_LIBC_STRERROR=y
+CONFIG_LPUART1_RXBUFSIZE=1024
+CONFIG_LPUART1_SERIAL_CONSOLE=y
+CONFIG_LPUART1_TXBUFSIZE=1024
+CONFIG_MMCSD=y
+CONFIG_MMCSD_SDIO=y
+CONFIG_MM_IOB=y
+CONFIG_NSH_ARCHINIT=y
+CONFIG_NSH_BUILTIN_APPS=y
+CONFIG_NSH_CMDOPT_DD_STATS=y
+CONFIG_NSH_DISABLE_IFUPDOWN=y
+CONFIG_NSH_FILEIOSIZE=512
+CONFIG_NSH_LINELEN=64
+CONFIG_NSH_READLINE=y
+CONFIG_RAM_SIZE=524288
+CONFIG_RAM_START=0x20200000
+CONFIG_RAW_BINARY=y
+CONFIG_SCHED_CHILD_STATUS=y
+CONFIG_SCHED_HAVE_PARENT=y
+CONFIG_SCHED_HPWORK=y
+CONFIG_SCHED_LPWORK=y
+CONFIG_SCHED_WAITPID=y
+CONFIG_SDIO_BLOCKSETUP=y
+CONFIG_SERIAL_TERMIOS=y
+CONFIG_START_DAY=14
+CONFIG_START_MONTH=3
+CONFIG_SYSTEM_CLE_CMD_HISTORY=y
+CONFIG_SYSTEM_COLOR_CLE=y
+CONFIG_SYSTEM_NSH=y
+CONFIG_USER_ENTRYPOINT="nsh_main"