NXP Semiconductors LPC24XX UM10237 - Manual (Page 688)

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User manual Rev. 04 — 26 August 2009 688 of 792
NXP Semiconductors
UM10237
Chapter 30: LPC24XX Flash memory programming firmware
9.9 Erase sector(s) <start sector number> <end sector number>
9.10 Blank check sector(s) <sector number> <end sector number>
9.11 Read Part Identification number
Table 613. ISP Erase sector command
Command E
Input Start Sector Number
End Sector Number: Should be greater than or equal to start sector number.
Return Code CMD_SUCCESS |
BUSY |
INVALID_SECTOR |
SECTOR_NOT_PREPARED_FOR_WRITE_OPERATION |
CMD_LOCKED |
PARAM_ERROR |
CODE_READ_PROTECTION_ENABLED
Description This command is used to erase one or more sector(s) of on-chip Flash memory.
The boot block can not be erased using this command. This command only allows
erasure of all user sectors when the code read protection is enabled.
Example "E 2 3<CR><LF>" erases the Flash sectors 2 and 3.
Table 614. ISP Blank check sector command
Command I
Input Start Sector Number:
End Sector Number: Should be greater than or equal to start sector number.
Return Code CMD_SUCCESS |
SECTOR_NOT_BLANK (followed by <Offset of the first non blank word location>
<Contents of non blank word location>) |
INVALID_SECTOR |
PARAM_ERROR |
Description This command is used to blank check one or more sectors of on-chip Flash
memory.
Blank check on sector 0 always fails as first 64 bytes are re-mapped to Flash
boot block.
Example "I 2 3<CR><LF>" blank checks the Flash sectors 2 and 3.
Table 615. ISP Read Part Identification command
Command J
Input None.
Return Code CMD_SUCCESS followed by part identification number in ASCII (see Table 30–616
“LPC24xx part Identification numbers” ).
Description This command is used to read the part identification number.