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 406 of 523
NXP Semiconductors
UM10462
Chapter 20: LPC11U3x/2x/1x Flash programming firmware
The following ISP commands will send the system reset code loaded into 0x1000 000.
U 23130
W 268435456 16
0`4@"20%@_N<,[0#@!`#Z!0``
1462
G 268435456 T
20.13.9 Erase sector(s) <start sector number> <end sector number>
Table 373. ISP Go command
Command G
Input Address: Flash or RAM address from which the code execution is to be started.
This address should be on a word boundary.
Mode: T (Execute program in Thumb Mode) | A (not allowed).
Return Code CMD_SUCCESS |
ADDR_ERROR |
ADDR_NOT_MAPPED |
CMD_LOCKED |
PARAM_ERROR |
CODE_READ_PROTECTION_ENABLED
Description This command is used to execute a program residing in RAM or flash memory. It
may not be possible to return to the ISP command handler once this command is
successfully executed. This command is blocked when code read protection is
enabled. The command must be used with an address of 0x0000 0200 or greater.
Example "G 512 T<CR><LF>" branches to address 0x0000 0200 in Thumb mode.
Table 374. 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.
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