The
line must be pulled high for
MISO
pulled up high, the processor receives one of the following.
• A
0xFF
• A
0x00
!
The boot uses Slave Select 2 that maps to
ROM sets the
133 MHz system clock, results in a 133 MHz/(2*133) = 500 kHz
baud rate.
Analog Devices recommends the following SPI memory devices.
• 8-bit addressable SPI memory: 25LC040 from Microchip
(
http://www.microchip.com/download/lit/pline/mem-
ory/spi/21204c.pdf
• 16-bit addressable SPI memory: 25CL640 from Microchip
(
http://www.microchip.com/download/lit/pline/mem-
ory/spi/21223e.pdf
• 24-bit addressable SPI memory: M25P80 from STMicroelectronics
(
http://www.st.com/stonline/books/pdf/docs/8495.pdf
VisualDSP++ Loader Manual
for 16-Bit Processors
if the part is not responding back with valid data
if the part is responding back with valid data.
Baud Rate
)
)
Blackfin Processor Loader/Splitter
. Since the
BMODE = 11
PF2
register to "
", which, based on a
133
line is
MISO
. The on-chip boot
)
2-27
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