Rainbow-electronics AT89C5132 Manuel d'utilisateur télécharger pdf (Page 25)

AT89C5132

4256A–USB–06/03

API Commands Several types of APIs are available:

• Read/Program Flash memory

• Read Configuration and Manufacturer Information

• Program Configuration Information

•Erase Flash

• Start bootloader

Read/Program Flash Memory To read the Flash memory the bootloader is not involved.

For more details on these routines see the AT89C5132 Datasheet, section “Pro-

gram/Code Memory”.

Two routines are available to program the Flash:

– __api_wr_code_byte

– __api_wr_code_page

• The application program load the column latches of the Flash then call the

__api_wr_code_byte or __api_wr_code_page see datasheet, section

“Program/Code Memory

”.

• Parameter settings

• Instruction: LCALL FFF0h.

Note: No special resources are used by the bootloader during this operation

API Name api_command api_dph api_dpl api_value

__api_wr_code_byte

__api_wr_code_page

0Dh – – –

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Rainbow-electronics AT89C5132 Manuel d'utilisateur Page 25