AT89C51RB2-RLTCM ATMEL [ATMEL Corporation], AT89C51RB2-RLTCM Datasheet - Page 97
AT89C51RB2-RLTCM
Manufacturer Part Number
AT89C51RB2-RLTCM
Description
8-bit Microcontroller with 16K/ 32K Bytes Flash
Manufacturer
ATMEL [ATMEL Corporation]
Datasheet
1.AT89C51RB2-RLTCM.pdf
(125 pages)
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Figure 39. Command Flow
Write/Program Commands
Description
Figure 40. Write/Program Flow
4180B–8051–04/03
COMMAND FINISHED
Wait COMMAND_OK
Sends first character of the
Frame
Sends frame (made of 2 ASCII
characters per Byte)
Echo analysis
Send Write Command
OR
Host
Host
OR
COMMAND ABORTED
COMMAND ABORTED
Wait Checksum Error
Wait Security Error
This flow is common to the following frames:
•
•
•
•
Flash/EEPROM Programming Data Frame
EOF or Atmel Frame (only Programming Atmel Frame)
Config Byte Programming Data Frame
Baud Rate Frame
’X’ & CR & LF
Write Command
’P’ & CR & LF
’.’ & CR & LF
":"
":"
Send Checksum error
Send Security error
Gets frame, and sends back ec
for each received Byte
Else
If (not received ":")
Bootloader
Sends echo and start
reception
AT89C51RB2/RC2
Bootloader
Wait Write Command
Send COMMAND_OK
Wait Programming
NO_SECURITY
Checksum error
97
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