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AT89C51RC2-3CSIM 데이터시트(PDF) 103 Page - ATMEL Corporation

부품명 AT89C51RC2-3CSIM
상세설명  Microcontroller with 16K/32K Bytes Flash
PDF  127 Pages
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제조업체  ATMEL [ATMEL Corporation]
홈페이지  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT89C51RC2-3CSIM 데이터시트(HTML) 103 Page - ATMEL Corporation

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103
AT89C51RB2/RC2
4180C–8051–12/03
Example
Read Function
This flow is similar for the following frames:
•
Reading Frame
•
EOF Frame/Atmel Frame (only reading Atmel Frame)
Description
Figure 45. Read Flow
Example
HOST
: 05 0000 04 0000 0020 00 D7
BOOTLOADER
: 05 0000 04 0000 0020 00 D7
BOOTLOADER
0000=-----data------ CR LF
(16 data)
BOOTLOADER
0010=-----data------ CR LF
(16 data)
BOOTLOADER
0020=data CR LF
( 1 data)
Display data from address 0000h to 0020h
Host
Bootloader
Read Command
’X’ & CR & LF
RD_WR_SECURITY
Wait Read Command
Read Value
Send Security error
Send Data Read
Send Read Command
Wait Checksum Error
Wait Value of Data
Wait Security Error
OR
COMMAND ABORTED
COMMAND FINISHED
Send Checksum error
COMMAND ABORTED
’L’ & CR & LF
OR
’value’ & ’.’ & CR & LF
Checksum error
HOST
: 02 0000 05 07 02 F0
BOOTLOADER
: 02 0000 05 07 02 F0 Value . CR LF
HOST
: 02 0000 01 02 00 FB
BOOTLOADER
: 02 0000 01 02 00 FB Value . CR LF
Read function (read SBV)
Atmel Read function (read Bootloader version)



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