UM10462 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2016. All rights reserved.
User manual Rev. 5.5 — 21 December 2016 413 of 523
NXP Semiconductors
UM10462
Chapter 20: LPC11U3x/2x/1x Flash programming firmware
20.14.3 Erase Sector(s)
Table 384. IAP Copy RAM to flash command
Command Copy RAM to flash
Input Command code: 51 (decimal)
Param0(DST): Destination flash address where data bytes are to be written. This
address should be a 256 byte boundary.
Param1(SRC): Source RAM address from which data bytes are to be read. This
address should be a word boundary.
Param2: Number of bytes to be written. Should be 256 | 512 | 1024 | 4096.
Param3: System Clock Frequency (CCLK) in kHz.
Status Code CMD_SUCCESS |
SRC_ADDR_ERROR (Address not a word boundary) |
DST_ADDR_ERROR (Address not on correct boundary) |
SRC_ADDR_NOT_MAPPED |
DST_ADDR_NOT_MAPPED |
COUNT_ERROR (Byte count is not 256 | 512 | 1024 | 4096) |
SECTOR_NOT_PREPARED_FOR_WRITE_OPERATION |
BUSY
Result None
Description This command is used to program the flash memory. The affected sectors should
be prepared first by calling "Prepare Sector for Write Operation" command. The
affected sectors are automatically protected again once the copy command is
successfully executed. Also see Section 20.6
for the number of bytes that can be
written.
Table 385. IAP Erase Sector(s) command
Command Erase Sector(s)
Input Command code: 52 (decimal)
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.
Status 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.
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