tmp19a44fda TOSHIBA Semiconductor CORPORATION, tmp19a44fda Datasheet - Page 599

• Manufacturer Part Number: tmp19a44fda
• Description: 32bit Tx System Risc
• Manufacturer: TOSHIBA Semiconductor CORPORATION

Flash Memory Operation
(3) If the password was correct, the boot program downloads, via the SIO0, the programming routine
(4) The CPU jumps to the programming routine in the on-chip RAM to erase the flash block
from the host controller into the on-chip RAM of the TMP19A44F. The programming routine must
be stored in the address range 0xFFFD_A400 – 0xFFFD_FFFF.
containing the old application program code. The Block Erase or Chip Erase command may be
used.
TMP19A44F
TMP19A44F
Old Application Program
Code (or Erased State)
Flash Memory
Flash Memory
Boot ROM
Boot ROM
Erased
TMP19A44 (rev1.3)24-14
(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
TMP19A44
2010-04-01