Phytec phyCORE-i.MX35, Hardware Manual

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System Configuration
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PHYTEC Messtechnik GmbH 2010 L-734e_1
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6.1.2 Boot Mode Select
The i.MX35x controller has different boot modes, which can be selected. The system boot mode of
the processor is determined by the configuration of the five external input pins, BOOT[4:0].
Table 4: Basic Boot Modes of i.MX35x Module
Boot Mode Selection
BOOT 1 BOOT 0
Boot Mode / Device
0 0 Internal boot
1 0 External boot
1 1 Enter wait mode
Table 5: Advanced Boot Modes of i.MX35x Module
Boot Mode Selection
BOOT 4 BOOT 3 BOOT 2 BOOT 1 BOOT 0
Boot Mode / Device
0 0 0 1 0 Boot from NOR Flash
0 0 1 1 0 Boot from NAND-Flash
( 3 address cycles)
0 1 1 1 0 Boot from NAND-Flash
(4 address cycles)
1 0 1 1 0 Boot from NAND-Flash
(5 address cycles)
1 1 1 1 0 Boot from NAND-Flash
(6 address cycles)
The phyCORE-i.MX35 module comes with a standard boot configuration of
‘00010’ , so the system
will boot from the 16-bit NOR-Flash at CS0.