Datasheet

136
AT89C51ID2
4289C–8051–11/05
ISP Commands Summary
Table 96. ISP Commands Summary
Command Command Name data[0] data[1] Command Effect
00h Program Data
Program Nb Data Byte.
Bootloader will accept up to 128
(80h) data bytes. The data bytes
should be 128 byte page flash
boundary.
03h Write Function
01h
00h Erase block0 (0000h-1FFFh)
20h Erase block1 (2000h-3FFFh)
40h Erase block2 (4000h-7FFFh)
80h Erase block3 (8000h- BFFFh)
C0h Erase block4 (C000h- FFFFh)
03h 00h Hardware Reset
04h 00h Erase SBV & BSB
05h
00h Program SSB level 1
01h Program SSB level 2
06h
00h
Program BSB (value to write in
data[2])
01h
Program SBV (value to write in
data[2])
07h -
Full Chip Erase (This command
needs about 6 sec to be
executed)
0Ah
02h
Program Osc fuse (value to write
in data[2])
04h
Program BLJB fuse (value to
write in data[2])
08h
Program X2 fuse (value to write in
data[2])
04h Display Function
Data[0:1] = start address
Data [2:3] = end address
Data[4] = 00h -> Display data
Data[4] = 01h -> Blank check
Data[4] = 02h -> Display EEPROMk
Display Data
Blank Check
Display EEPROM data