21

7618C–AVR–07/08

JMP flash_page_erase_and_write

entry_flash_read_sig:

JMP

flash_read_sig

entry_flash_read_fuse:

JMP

flash_read_fuse

entry_flash_fill_temp_buffer:

JMP

flash_fill_temp_buffer

entry_flash_prg_page:

JMP

flash_prg_page

entry_flash_page_erase:

JMP

flash_page_erase_public

entry_lock_wr_bits:

JMP

lock_wr_bits

RSEGBOOT

;*F************************************************************************

**

; NAME: flash_page_erase_and_write

;--------------------------------------------------------------------------

--

; PARAMS:

R18:17:R16: The byte address of the page

;--------------------------------------------------------------------------

--

; PURPOSE: This function can be called for the user appplication

; This function performs an erase operation of the selected target page and

; the launch the prog sequence of the same target page.

; This function allows to save the 256 bytes software temporary buffer in

; the application section

;**************************************************************************

**

flash_page_erase_and_write:

PUSH

R18

RCALL flash_page_erase

POP

R18

RCALL flash_prg_page

RET

;*F************************************************************************

**

; NAME: flash_prg_page

;--------------------------------------------------------------------------

--

; PARAMS: R18:17:R16: The byte address of the page

;--------------------------------------------------------------------------

--

; PURPOSE:

Launch the prog sequence of the target page