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MCIMX53SMD Board Hardware User’s Guide, Rev. 0
Freescale Semiconductor
SD/eSD
BOOT_CFG1[4] Fast Boot
0 – Regular
1 – Fast Boot
BOOT_CFG2[5] Bus Width
0 – 1-bit
1 – 4-bit
BOOT_CFG3[5:4]
Port Select
00 – eSDHC1
01 – eSDHC2
10 – eSDHC3
11 – eSDHC4
MMC/eMMC
BOOT_CFG1[4] Fast Boot
0 – Regular Boot
1 – Fast Boot
BOOT_CFG2[7:5]
Bus Width
000 – 1-bit
001 – 4-bit
010 – 8-bit
011 – Reserved
100 – Reserved
101 – 4-bit DDR (MMC 4.4)
110 – 8-bit DDR (MMC 4.4)
111 – Reserved
BOOT_CFG3[5:4]
Port Select
00 – eSDHC1
01 – eSDHC2
10 – eSDHC3 (eMMC4.4)
11 – eSDHC4
BOOT_CFG3[3] DLL Override
0 – Use Default ROM
1 – Use eFUSE DLL Override
Содержание MCIMX53SMD
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