89C51IC2-CM ATMEL [ATMEL Corporation], 89C51IC2-CM Datasheet - Page 122
![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: 122 of 146
- Download datasheet (2Mb)
Blank Check Command
Description
Figure 50. Blank Check Flow
Example
122
COMMAND FINISHED
AT89C51IC2
Wait Address not
Send Blank Check Command
erased
OR
Host
OR
COMMAND ABORTED
Wait Checksum Error
COMMAND FINISHED
Wait COMMAND_OK
Blank Check ko at address xxxx
Blank Check ok
Blank Check with checksum error
BOOTLOADER
HOST
HOST
BOOTLOADER
BOOTLOADER
HOST
Blank Check Command
address & CR & LF
’.’ & CR & LF
’X’ & CR & LF
: 05 0000 04 0000 7FFF 01 78 xxxx CR LF
: 05 0000 04 0000 7FFF 01 78
: 05 0000 04 0000 7FFF 01 78
: 05 0000 04 0000 7FFF 01 78 . CR LF
: 05 0000 04 0000 7FFF 01 70 X CR LF CR LF
: 05 0000 04 0000 7FFF 01 70
Send COMMAND_OK
Send Checksum error
Wait Blank Check Command
Bootloader
Send first Address
not erased
Checksum error
Flash blank
4301A–8051–01/04
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