tmp19a43fd TOSHIBA Semiconductor CORPORATION, tmp19a43fd Datasheet - Page 22

• Manufacturer Part Number: tmp19a43fd
• Description: 32-bit Risc Microprocessor
• Manufacturer: TOSHIBA Semiconductor CORPORATION

(3) Once User Boot mode is entered, execute the copy routine to copy the flash programming routine
(4) Jump program execution to the flash programming routine in the on-chip RAM to erase a flash
to either the TMP19A43FDXBG on-chip RAM or an external memory device. (In the following
figure, the on-chip RAM is used.)
block containing the old application program code.
TMP19A43FDXBG
TMP19A43FDXBG
(a) Mode Judgment Routine
(b) Programming Routine
(c) Copy Routine
(a) Mode Judgment Routine
(b) Programming Routine
(c) Copy Routine
Flash Memory
[Reset Procedure]
Flash Memory
[Reset Procedure]
Old Application
Program Code
Erased
TMP19A43 (rev2.0)3-8
Host Controller
Host Controller
(b) Programming Routine
I/O
I/O
(b) Programming Routine
RAM
RAM
New Application
New Application
Program Code
Program Code
Flash Memory Operation
TMP19A43