Api commands, Read/program flash memory – Rainbow Electronics AT89C5132 User Manual
Page 25

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
–
–
–