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AT89C51ED2-RDTIM 数据表(PDF) 111 Page - ATMEL Corporation |
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AT89C51ED2-RDTIM 数据表(HTML) 111 Page - ATMEL Corporation |
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111 / 137 page ![]() 111 AT89C51RD2/ED2 4235E–8051–04/04 Display Data Description Figure 50. Display Flow Note: The maximum size of block is 400h. To read more than 400h bytes, the Host must send a new command. Example Host Bootloader Display Command ’X’ & CR & LF RD_WR_SECURITY Wait Display Command Read Data Send Security Error Send Display Data Send Display Command Wait Checksum Error Wait Display Data Wait Security Error OR COMMAND ABORTED COMMAND FINISHED Send Checksum Error COMMAND ABORTED ’L’ & CR & LF OR "Address = " All Data Read Complet Frame "Reading Value" CR & LF All Data Read All Data Read COMMAND FINISHED Checksum error 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 |
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