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Philips Semiconductors
Volume 1
21.9.2 Copy RAM to Flash
Table 307: IAP Copy RAM to Flash command
Command
Input
Return Code
Result
Description
21.9.3 Erase sector(s)
Table 308: IAP Erase sector(s) command
Command
Input
Return Code
Result
Description
User manual
Copy RAM to Flash
Command code: 51
10
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.
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 |
None
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. The boot sector can not be written by this command.
Erase Sector(s)
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.
CMD_SUCCESS |
BUSY |
SECTOR_NOT_PREPARED_FOR_WRITE_OPERATION |
INVALID_SECTOR
None
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.
Rev. 01 — 15 August 2005
UM10139
Chapter 21: Flash Memory
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
308
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