Philips P89LPC920 User Manual page 102

Philips Semiconductors
FLASH MEMORY
Table 15-2: In-System Programming (ISP) hex record formats
Record type
03
2003 Dec 8
Miscellaneous Read Functions
:01xxxx03sscc
Where
xxxx = required field but value is a "don't care"
ss = subfunction code
cc = checksum
Subfunction codes:
00 = UCFG1
01 = reserved
02 = Boot Vector
03 = Status Byte
04 = reserved
05 = reserved
06 = reserved
07 = reserved
08 = Security Byte 0
09 = Security Byte 1
0A = Security Byte 2
0B = Security Byte 3
0C = Security Byte 4
0D = Security Byte 5
0E = Security Byte 6
0F = Security Byte 7
10 = Manufacturer Id
11 = Device Id
12 = Derivative Id
Example:
:0100000312cc
102
Command/data function
User's Manual - Preliminary -
P89LPC920/921/922