AT89C51SND1_06 ATMEL [ATMEL Corporation], AT89C51SND1_06 Datasheet - Page 30

• Manufacturer Part Number: AT89C51SND1_06
• Description: USB Microcontrollers
• Manufacturer: ATMEL [ATMEL Corporation]

Appendix A
30
AT89C51SND1
Table 17. Summary of Frames from Host
Table 18. DFU Class-specific Requests
bmRequestType
Command Identifier
0010 0001b
Id_write_command
Id_read_command
Id_display_data
Id_prog_start
01h
03h
04h
05h
DFU_DETACH (0)
bRequest
data[0]
00h
00h
01h
00h
01h
02h
03h
00h
01h
02h
data[1]
FFh
00h
20h
40h
80h
00h
01h
05h
06h
00h
00h
01h
00h
01h
02h
00h
01h
05h
06h
30h
31h
60h
61h
00h
start_address
start_address
wTimeout
wValue
data[2]
Value
Value
address
data[3]
Interface (4)
end_address
end_address
wIndex
data[4]
wLength
Init Flash programming
Display Flash Data
Blank Check in Flash
Erase block0 (0K to 8K)
Erase block1 (8K to 16K)
Erase block2 (16K to 32K)
Erase block3 (32K to 64K)
Full Chip Erase (bits at FFh)
Write value in BSB
Write value in SBV
Write value in SSB
Write value in EB
Write value in Fuse (HSB)
Hardware reset
LJMP address
Read Bootloader Version
Read Device boot ID1
Read Device boot ID2
Read BSB
Read SBV
Read SSB
Read EB
Read Manufacturer Code
Read Family Code
Read Product Name
Read Product Revision
Read HWB
Zero
Description
4254C–MP3–03/06
Data
none