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compared to the computed value for the record, and if
different, the error message E:BADCKS is printed out.
Unfortunately, the data bytes for this record will have
been put to memory already. End of Data records (01)
do not check for valid checksums. After a byte is put to
memory, it is read back immediately to see if it is the
same. If not, the error message E:MEMVER is printed.
ERROR MESSAGES
E:ARGREQ
An argument or arguments is required for this com-
mand.
E:BADCKS
The checksum found at the end of an Intel Hex record
loaded into RAM is not the same as the same as the
value calculated. The last 2 bytes of each record con-
tain a checksum. End of data records (01) do not check
for valid checksums.
E:BADCMD
An invalid command letter was entered.
E:BADREC
A record type other than 00 (data) or 01 (end) was
encountered while reading an Intel Hex data record.
Loading will continue with the next valid record.
E:BADREG
A port number other than 0, 1, 2, or 3 was used as an
argument for a P command. This message is also
printed if register other than CALIB, CRC, MCON, MSL,
or RPCTL was used as an argument for a W command.
E:BADRNG
The CRC_RANGE must be less than or equal to the
Program Range if the PM bit is set. The CRC_RANGE
must be less than or equal to the Program Range and
the partition if the PM bit is cleared.
E:EXTARG
Extra data was encountered on the command line when
it wasn’t needed. Reenter the command.
E:ILLCMD
An illegal command was entered via the modem. Reen-
ter the command.
E:ILLOPT
The optional parameters given were in error. If the start
address is greater than the given address, either implic-
itly or explicitly, then an error is printed. The range bit im-
plicitly determines the maximum range.
E:LOCKED
The requested operation cannot be performed because
the device is locked.
E:MEMVER
An error was encountered while programming or verify-
ing a byte in RAM. Reload the record or file. Repeated
error messages may indicate a bad device.
E:NOCRCB
The CRC bit (bit 0) of the CRC SFR must be set when
using the Include command. The Include command is
not supported on the DS5002FP/DS2252T.
E:NOTCOD
The Include command was entered while the MSL bit
was cleared. The MSL bit must be set (via loader) when
using the Include command.
E:NOTHEX
A non–hexadecimal character was found when
expected.
E:VERIFY
The byte which was sent did not verify with the corre-
sponding one in RAM.