NXP Semiconductors LPC24XX UM10237 - Manual (Page 695)

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User manual Rev. 04 — 26 August 2009 695 of 792
NXP Semiconductors
UM10237
Chapter 30: LPC24XX Flash memory programming firmware
10.6 Read Boot code version number
10.7 Compare
10.8 Reinvoke ISP
Table 626. IAP Read Boot Code version number command
Command Read boot code version number
Input Command code: 55
10
Parameters: None
Return Code CMD_SUCCESS |
Result Result0: 2 bytes of boot code version number in ASCII format. It is to be
interpreted as .
Description This command is used to read the boot code version number.
Table 627. IAP Compare command
Command Compare
Input Command code: 56
10
Param0(DST): Starting Flash or RAM address of data bytes to be compared. This
address should be a word boundary.
Param1(SRC): Starting Flash or RAM address of data bytes to be compared. This
address should be a word boundary.
Param2: Number of bytes to be compared; should be a multiple of 4.
Return Code CMD_SUCCESS |
COMPARE_ERROR |
COUNT_ERROR (Byte count is not a multiple of 4) |
ADDR_ERROR |
ADDR_NOT_MAPPED
Result Result0: Offset of the first mismatch if the Status Code is COMPARE_ERROR.
Description This command is used to compare the memory contents at two locations.
The result may not be correct when the source or destination includes any
of the first 64 bytes starting from address zero. The first 64 bytes can be
re-mapped to RAM.
Table 628. Reinvoke ISP
Command Compare
Input Command code: 57
10