Analog Devices VISUALDSP++ 3.5, Manual

Page: 43 / 166

Vi+ Loader Manual 2-13
for 16-Bit Processors
Blackfin Processor Loader/Splitter
Block Headers
A block header has three words: 4-byte clock start address, 4-byte block
byte count, and 2-byte flag word.
Flags
The ADSP-BF535 block flag word’s bits are illustrated below.
ADSP-BF535 Processor Memory Ranges
Second-stage loaders are available for ADSP-BF535 processors in Visu-
alDSP++ 3.0 and higher. They allow booting to:
• L2 memory (
0xF000 0000
)
• L1 memory
"
Data Bank A SRAM (
0xFF80 0000
)
"
Data Bank B SRAM (
0xFF90 0000
)
"
Instruction SRAM (
0xFFA0 0000
)
"
Scratchpad SRAM (
0xFFB0 0000
)
• SDRAM
"
Bank 0 (
0x0000 0000
)
"
Bank 1 (
0x0800 0000
)
0 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
Bit 15: 1 = Last Block, 0 = Not Last Block
Bit 0: 1 = Zero Fill, 0 = No Zero Fill