phyCOREi.MX27
32
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PHYTEC Messtechnik GmbH 2011 L-710e_5
6.1.2
Boot Mode Select
The i.MX27 controller has different boot modes, which can be selected. The system boot mode of the
processor is determined by the configuration of the four external input pins, BOOT[3:0].
Table 7:
Boot Modes of i.MX27 module
Boot Mode Selection
Boot Mode/Device
0000
Bootstrap from UART/USB
0001 Reserved
0010
8-bit NAND Flash (2 Kbyte per page)
0011
16-bit Nand Flash (2 Kbyte per page)
0100
16-bit Nand Flash (512 bytes per page)
0101
16-bit CS0 (NOR-Flash)
0110 32-bit
CS0
0111
8-bit Nand Flash (512 bytes per page)
1xxx Reserved
The phyCORE-i.MX27 module comes with a standard boot configuration of
‘0101’
, so the system will
boot from the 16-bit NOR-Flash at CS0.
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