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TMP92FD54AI データシート(PDF) 28 Page - Toshiba Semiconductor

部品番号 TMP92FD54AI
部品情報  CMOS 32-bit Micro-controller
PDF  84 Pages
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メーカー  TOSHIBA [Toshiba Semiconductor]
ホームページ  http://www.semicon.toshiba.co.jp/eng
Logo TOSHIBA - Toshiba Semiconductor

TMP92FD54AI データシート(HTML) 28 Page - Toshiba Semiconductor

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2006-01-27
92FD54AI-28
TMP92FD54AI
(Step 5)
Next, the Rewrite routine in the RAM is executed and writes the new user application
program into the erased area of the flash memory after loading it from the source of
transfer (the controller). When the processor has finished writing the new user
application program, write-protect for the user program area should be turn on.
In the example below the rewrite data is transferred from the same host via the same
SIO as the rewrite routine. However, once normal program operation has started in RAM,
any other data bus and any other transfer source may be used as desired. The user must
design the board hardware and write the rewrite routine accordingly.
(Step 6)
When writing to the device has been completed, turn the power to the board off and
remove the cable connecting the device and host. To execute the new user application
program, turn the power back on again and start the device in Single-Chip Mode (Normal
Mode).
(TMP92FD54AI)
(Controller)
0
→ 1 RESET
Set for Single-Chip
Mode (Normal
Mode)
Flash memory
RAM
New user
application program
Boot ROM
SIO1
(TMP92FD54AI)
Flash memory
RAM
New user
application program
(Controller)
New user
application program
(I/O)
(a) Rewrite routine
Boot ROM
SIO1
(a) Rewrite routine



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