at89c51snd1c ATMEL Corporation, at89c51snd1c Datasheet - Page 11
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at89c51snd1c
Manufacturer Part Number
at89c51snd1c
Description
At89c51snd1c At89c51snd1 Uart Bootloader
Manufacturer
ATMEL Corporation
Datasheet
1.AT89C51SND1C.pdf
(25 pages)
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Flow Description
Figure 6. Programming Command
Programming Example
4241B–MP3–07/04
COMMAND FINISHED
Wait COMMAND_OK
Send Write Command
OR
Host
OR
COMMAND ABORTED
COMMAND ABORTED
Wait Checksum Error
Wait Security Error
Programming Data (write 55h at address 0010h in the Flash)
HOST
BOOTLOADER
Write Command
“X” & CR & LF
“P” & CR & LF
“.” & CR & LF
: 01 0010 00 55 9A
: 01 0010 00 55 9A . CR LF
AT89C51SND1 UART Bootloader
Send Checksum Error
Send Security Error
Bootloader
Wait Write Command
Send COMMAND_OK
Wait Programming
NO_SECURITY
Checksum Error
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