AT89C51SND1_06 ATMEL [ATMEL Corporation], AT89C51SND1_06 Datasheet - Page 21
AT89C51SND1_06
Manufacturer Part Number
AT89C51SND1_06
Description
USB Microcontrollers
Manufacturer
ATMEL [ATMEL Corporation]
Datasheet
1.AT89C51SND1_06.pdf
(33 pages)
- Current page: 21 of 33
- Download datasheet (518Kb)
Programming
Configuration
Information
Request from Host
Answers from
Bootloader
4254C–MP3–03/06
The flow described below allows the user to program Configuration Information regarding the
bootloader functionality.
•
Ensure that the Program Fuse bit command programs the 4 Fuse bits at the same time.
To start the programming operation, the Host sends DFU_DNLOAD request with the Write com-
mand in the data field (6 bytes).
The device has two possible answers to a DFU_GETSTATUS request:
•
•
Command Identifier
Id_write_command
Boot Process Configuration:
–
–
–
If the chip is protected from program access, a “err_WRITE” status is returned to the Host.
Otherwise, the device status is “OK“.
BSB
SBV
Fuse bits (BLJB, X2B) (see Section “Mapping and Default Value of Hardware Security
Byte”, page 3).
04h
data[0]
01h
02h
SETUP
OUT
IN
data[1]
00h
01h
05h
06h
00h
data[2]
Value
Value
Write_command (6 bytes)
DFU_DNLOAD
ZLP
data[3]
data[4]
AT89C51SND1
Write value in BSB
Write value in SBV
Write value in SSB
Write value in EB
Write value in Fuse (HSB)
Description
21
Related parts for AT89C51SND1_06
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
Atmel CryptoMemory
Manufacturer:
ATMEL [ATMEL Corporation]
Datasheet:
Part Number:
Description:
Atmel CryptoMemory
Manufacturer:
ATMEL [ATMEL Corporation]
Datasheet:
Part Number:
Description:
Atmel CryptoMemory, 16Kbit
Manufacturer:
ATMEL [ATMEL Corporation]
Datasheet:
Part Number:
Description:
8-bit Atmel Microcontrollers
Manufacturer:
ATMEL [ATMEL Corporation]
Datasheet:
Part Number:
Description:
8-bit Atmel Microcontroller with 64K/128K/256K Bytes In-System Programmable Flash
Manufacturer:
ATMEL [ATMEL Corporation]
Datasheet:
Part Number:
Description:
8-bit Atmel Microcontroller with 16/32/64/128K Bytes In-System Programmable Flash
Manufacturer:
ATMEL [ATMEL Corporation]
Datasheet:
Part Number:
Description:
8-bit Atmel Microcontroller with 16/32/64K Bytes In-System Programmable Programmable
Manufacturer:
ATMEL [ATMEL Corporation]
Datasheet:
Part Number:
Description:
INTERVAL AND WIPE/WASH WIPER CONTROL IC WITH DELAY
Manufacturer:
ATMEL Corporation
Datasheet:
Part Number:
Description:
Low-Voltage Voice-Switched IC for Hands-Free Operation
Manufacturer:
ATMEL Corporation
Datasheet:
Part Number:
Description:
MONOLITHIC INTEGRATED FEATUREPHONE CIRCUIT
Manufacturer:
ATMEL Corporation
Datasheet:
Part Number:
Description:
AM-FM Receiver IC U4255BM-M
Manufacturer:
ATMEL Corporation
Datasheet:
Part Number:
Description:
Monolithic Integrated Feature Phone Circuit
Manufacturer:
ATMEL Corporation
Datasheet:
Part Number:
Description:
Multistandard Video-IF and Quasi Parallel Sound Processing
Manufacturer:
ATMEL Corporation
Datasheet: