UM10375 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2011. All rights reserved.
User manual Rev. 3 — 14 June 2011 335 of 368
NXP Semiconductors
UM10375
Chapter 21: LPC13xx Flash memory programming firmware
21.13.14 ReadUID
21.13.15 ISP Return Codes
Table 332. ReadUID command
Command N
Input None
Return Code CMD_SUCCESS followed by four 32-bit words of a unique serial number in ASCII
format. The word sent at the lowest address is sent first.
Description This command is used to read the unique ID.
Table 333. ISP Return Codes Summary
Return
Code
Mnemonic Description
0 CMD_SUCCESS Command is executed successfully. Sent by ISP
handler only when command given by the host has
been completely and successfully executed.
1 INVALID_COMMAND Invalid command.
2 SRC_ADDR_ERROR Source address is not on word boundary.
3 DST_ADDR_ERROR Destination address is not on a correct boundary.
4 SRC_ADDR_NOT_MAPPED Source address is not mapped in the memory map.
Count value is taken in to consideration where
applicable.
5 DST_ADDR_NOT_MAPPED Destination address is not mapped in the memory
map. Count value is taken in to consideration
where applicable.
6 COUNT_ERROR Byte count is not multiple of 4 or is not a permitted
value.
7 INVALID_SECTOR Sector number is invalid or end sector number is
greater than start sector number.
8 SECTOR_NOT_BLANK Sector is not blank.
9 SECTOR_NOT_PREPARED_FOR_
WRITE_OPERATION
Command to prepare sector for write operation
was not executed.
10 COMPARE_ERROR Source and destination data not equal.
11 BUSY Flash programming hardware interface is busy.
12 PARAM_ERROR Insufficient number of parameters or invalid
parameter.
13 ADDR_ERROR Address is not on word boundary.
14 ADDR_NOT_MAPPED Address is not mapped in the memory map. Count
value is taken in to consideration where applicable.
15 CMD_LOCKED Command is locked.
16 INVALID_CODE Unlock code is invalid.
17 INVALID_BAUD_RATE Invalid baud rate setting.
18 INVALID_STOP_BIT Invalid stop bit setting.
19 CODE_READ_PROTECTION_
ENABLED
Code read protection enabled.
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