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Push Button and Switch Settings
Boot Mode Select Switch (SW1)
The rotary switch (
Table 2-5
shows the available boot mode settings. By default, the
ADSP-BF526 processor boots from the on-board parallel flash memory.
The selected position of
entire rotating portion of the switch, not the small arrow.
Table 2-5. Boot Mode Select Switch (SW1)
SW1 Position
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
2-10
) determines the boot mode of the processor.
SW1
is marked by the notch down the
SW1
Processor Boot Mode
Reserved
Boot from 8-bit external flash memory (default)
Boot from 16-bit asynchronous FIFO
Boot from serial SPI memory
Boot from SPI host device
Boot from serial TWI memory
Boot from TWI host
Boot from UART0 host
Boot from UART1 host
Reserved
Boot from SDRAM
Boot from 8-bit NAND flash PORTF
Boot from 8-bit NAND flash PORTH
Reserved
Boot from 16-bit host DMA
Boot from 8-bit host DMA
ADSP-BF526 EZ-Board Evaluation System Manual
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