Texas Instruments TMS320C3x 사용자 설명서

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)?