89C51IC2-CM ATMEL [ATMEL Corporation], 89C51IC2-CM Datasheet - Page 120
![no-image](/images/no-image-200.jpg)
89C51IC2-CM
Manufacturer Part Number
89C51IC2-CM
Description
8-bit Flash Microcontroller with 2-wire Interface
Manufacturer
ATMEL [ATMEL Corporation]
Datasheet
1.89C51IC2-CM.pdf
(146 pages)
- Current page: 120 of 146
- Download datasheet (2Mb)
Figure 48. Command Flow
Write/Program Commands
Description
Figure 49. Write/Program Flow
120
AT89C51IC2
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 ech
for each received Byte
Else
If (not received ":")
Bootloader
Sends echo and start
reception
Bootloader
Wait Write Command
Send COMMAND_OK
Wait Programming
Checksum error
NO_SECURITY
4301A–8051–01/04
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