tmp19a43fd TOSHIBA Semiconductor CORPORATION, tmp19a43fd Datasheet - Page 29

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

(3) The CPU jumps to the programming routine in the on-chip RAM to erase the flash block
If the password was correct, the boot program downloads, via the SIO0, the programming routine
from the host controller into the on-chip RAM of the TMP19A43FDXBG. The programming
routine must be stored in the address range 0xFFFD_6000 – 0xFFFD_EFFF.
containing the old application program code. The Block Erase or Chip Erase command may be
used.
TMP19A43FDXBG
TMP19A43FDXBG
Old Application Program
Code (or Erased State)
Flash Memory
Flash Memory
Boot ROM
Boot ROM
Erased
TMP19A43 (rev2.0)3-15
(a) Programming Routine
(a) Programming Routine
Host Controller
Host Controller
I/O
I/O
SIO0
SIO0
RAM
RAM
(a) Programming routine
(a) Programming routine
New Application
New Application
Program Code
Program Code
Flash Memory Operation
TMP19A43