Nxp Semiconductors UM10237 ユーザーズマニュアル
UM10237_2
© NXP B.V. 2008. All rights reserved.
User manual
Rev. 02 — 19 December 2008
694 of 792
NXP Semiconductors
UM10237
Chapter 30: LPC24XX Flash memory programming firmware
10.3 Erase Sector(s)
10.4 Blank check sector(s)
10.5 Read Part Identification number
Table 624. IAP Erase Sector(s) command
Command
Erase Sector(s)
Input
Command code: 52
10
Param0:
Start Sector Number
Param1:
End Sector Number (should be greater than or equal to start sector
number).
Param2:
System Clock Frequency (CCLK) in kHz.
Return Code
CMD_SUCCESS |
BUSY |
SECTOR_NOT_PREPARED_FOR_WRITE_OPERATION |
INVALID_SECTOR
Result
None
Description
This command is used to erase a sector or multiple sectors of on-chip Flash
memory. The boot sector can not be erased by this command. To erase a single
sector use the same "Start" and "End" sector numbers.
memory. The boot sector can not be erased by this command. To erase a single
sector use the same "Start" and "End" sector numbers.
Table 625. IAP Blank check sector(s) command
Command
Blank check sector(s)
Input
Command code: 53
10
Param0:
Start Sector Number
Param1:
End Sector Number (should be greater than or equal to start sector
number).
Return Code
CMD_SUCCESS |
BUSY |
SECTOR_NOT_BLANK |
INVALID_SECTOR
Result
Result0:
Offset of the first non blank word location if the Status Code is
SECTOR_NOT_BLANK.
Result1:
Contents of non blank word location.
Description
This command is used to blank check a sector or multiple sectors of on-chip Flash
memory. To blank check a single sector use the same "Start" and "End" sector
numbers.
memory. To blank check a single sector use the same "Start" and "End" sector
numbers.
Table 626. IAP Read Part Identification command
Command
Read part identification number
Input
Command code: 54
10
Parameters:
None
Return Code
CMD_SUCCESS |
Result
Result0:
Part Identification Number.
Description
This command is used to read the part identification number.