Philips P89LPC920 User Manual page 103

Philips Semiconductors
FLASH MEMORY
Table 15-2: In-System Programming (ISP) hex record formats
Record type
04
05
06
07
2003 Dec 8
Erase Sector/Page
:03xxxx04ssaaaacc
Where:
xxxx = required field but value is a "don't care"
aaaa = sector/page address
ss = 01 erase sector
= 00 erase page
cc = checksum
Example:
:03000004010000F8
Read Sector CRC
:01xxxx05aacc
Where:
xxxx = required field but value is a "don't care"
aa = sector address high byte
cc = checksum
Example:
:0100000504F6cc
Read Global CRC
:00xxxx06cc
Where:
xxxx = required field but value is a "don't care"
cc = checksum
Example:
:00000006FA
Direct Load of Baud Rate
:02xxxx07HHLLcc
Where:
xxxx = required field but value is a "don't care"
HH = high byte of timer
LL = low byte of timer
cc = checksum
Example:
:02000007FFFFcc
103
Command/data function
User's Manual - Preliminary -
P89LPC920/921/922