tmp19a43fd TOSHIBA Semiconductor CORPORATION, tmp19a43fd Datasheet - Page 25

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

(3) Once User Boot mode is entered, execute the transfer routine to download the flash programming
(4) Jump program execution to the flash programming routine in the on-chip RAM to erase a flash
routine from the host controller 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) Transfer Routine
(a) Mode Judgment Routine
(b) Transfer Routine
Flash Memory
Flash Memory
[Reset Procedure]
[Reset Procedure]
Old Application
Program Code
Erased
TMP19A43 (rev2.0)3-11
Host Controller
Host Controller
(c) Programming routine
(c) Programming Routine
I/O
I/O
RAM
RAM
(c) Programming Routine
(c) Programming Routine
New Application
New Application
Program Code
Program Code
Flash Memory Operation
TMP19A43