AT89C51ED2-RDTIM datasheet(113/137 Pages) ATMEL

113 / 137 page

113

AT89C51RD2/ED2

4235E–8051–04/04

ISP Commands Summary

Table 75. ISP Commands Summary

Command

Command Name

Data[0]

Data[1]

Command Effect

00h

Program Code

Program Nb Code 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

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 Code

Data[4] = 01h: Blank check

Data[4] = 02h: Display EEPROM

Display Code

Blank Check

Display EEPROM data

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

07h

Program EEPROM data

Program Nn EEprom Data Byte.

Bootloader will accept up to 128 (80h) data bytes.

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