Texas Instruments TMS320C3x - Manual (Page 373)

TMS320C32 Boot Loader
11-18
Figure 11–5.Boot-Loader Serial-Port Load Flowchart
According to the destination
address, set corresponding
STRB control register data-
type size field
Transfer one word from
serial port to destination
address
Branch to destination
address of first block
loaded
End of source
program code
(block size = 0)?
Serial-port load
Yes
No
Set up serial port for
32-bit fixed-burst mode
Read IOSTRB control word
Wait for serial-port Input
Wait for serial-port Input
Read STRB0 control word
Wait for serial-port Input
Read STRB1 control word
Wait for serial-port Input
Load block size
Wait for serial-port input
Set STRB0, STRB1, and
IOSTRB control registers
Load destination address
Wait for serial-port input
Read destination strobe
control word
Wait for serial-port input
Yes
No
Begin program execution
End of source
program code
(block size = 0)?