SectorEraseFlash Method

Description

This method is used to erase one target’s on-chip flash sector (512 bytes or 256 words).

Syntax

HCS121.SectorEraseFlash (Address)

Part	Type	Description
Address	Long	Target’s on-chip flash memory address of the sector to be erased. The nine less significant bits of the address are not used.

Remarks

You have to modify the registers PPAGE and FCNFG in order to select the right flash page and flash block number of the sector respectively. You do not need to modify PPAGE in case of erasing a sector whose address belong to the ranges [$4000-$7FFF] or [$C000-FFFF], but still have to write FCNFG selecting the flash block number 0 (field BKSEL).

See also:

EraseVerifyFlash method .

MassEraseFlash