
104
AT89C51RB2/RC2
4180E–8051–10/06
ISP Commands Summary
Table 73. 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
Display Data
Note: The maximum number of data
that can be read with a single
command frame (difference between
start and end address) is 1kbyte.
Blank Check
05h
Read Function
00h
Manufacturer ID
01h
Device ID #1
02h
Device ID #2
03h
Device ID #3
07h
00h
Read SSB
01h
Read BSB
02h
Read SBV
06h
Read Extra Byte
0Bh
00h
Read Hardware Byte
0Eh
00h
Read Device Boot ID1
01h
Read Device Boot ID2
0Fh
00h
Read Bootloader Version