Texas Instruments TMS320C3x - Manual (Page 726)

Boot-Loader Source Code Description
C-3 TMS320C32 Boot Loader Source Code
Figure C–1. Boot-Loader Flow Chart
Start
Initialize registers:
AR7, SP, IR0
Serial
boot?
Serial initialize
serial global
control register
Destination
address: AR3
Destination strobe
pointer: AR4
Destination strobe
value: R4
Destination data
size: R3
Block size RC
Memory control word
read routine: AR0
Memory width: R5
Process interrupts
INT0, INT1, INT2
Process memory
width word
Read and store
strobe values
Select read
routine
Interrupt flag IF
Block
size=0?
T
rans
fer one bloc
k
of data or program
Memory block read
routine: AR1
Memory width:
R5
Boot source
address: AR3
Handshake mode:
IOF
Read destination
address
Read destination
strobe
Read block size
Boot strobe
pointer: AR2
Restore strobe
values previously
saved
Start
program execution
Yes
Yes
No
No
Boot strobe value:
R2