Texas Instruments TMS320C3x - Manual (Page 374)

TMS320C32 Boot Loader
11-19 Using the TMS320C31 and TMS320C32 Boot Loaders
Figure 11–6.Boot-Loader Memory-Load Flowchart
End of source
program code
(block size = 0)?
End of source
program code
(block size = 0)?
Set STRB0, STRB1, and
IOSTRB control registers
to the values read at the
beginning of the load
Transfer data source to
destination address
Read destination strobe
control word
Read destination address
Read STRB0 control
register
Read IOSTRB control
register
Read memory width:
8, 16, or 32 bits
Determine boot address:
Boot 1, Boot 2, or Boot 3
Read STRB1 control
register
According to the destination
address, set corresponding
STRB control register to the
previously read value
Is
IF register
bit field INT3
set
?
Memory load
Yes
No
Enable
handshake mode
Read block size
Yes
No
Yes
No
Branch to destination
address of first block
loaded
Begin program execution