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T83C51SND1-ROTIL Datasheet(PDF) 25 Page - ATMEL Corporation |
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T83C51SND1-ROTIL Datasheet(HTML) 25 Page - ATMEL Corporation |
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25 / 60 page ![]() 25 T8xC51SND1 Rev. D – 15-Nov-01 03h 02h XXXX Block Erase: DATA[0]= 01h DATA[1]= 00h Erase block 0 from address 0000h to 1FFFh. DATA[1]= 20h Erase block 1 from address 2000h to 3FFFh. DATA[1]= 40h Erase block 2 from address 4000h to 7FFFh. DATA[1]= 80h Erase block 3 from address 8000h to BFFFh. DATA[1]= C0h Erase block 4 from address C000h to FFFFh. Return “.” Done. “P” Not done. Part protected (secured by level 1 or 2). 01h XXXX Reset Software Boot Vector and Boot Status Byte: DATA[0]= 04h Set SBV to F0h and BSB to FFh. Return “.” Done. “P” Not done. Part protected (secured by level 1 or 2). 02h XXXX Program Software Security Bits: DATA[0]= 05h DATA[1]= 00h Program level 1. Disable FLASH programming. DATA[1]= 01h Program level 2. Disable FLASH programming & verifying. Return “.” Done. “P” Not done. Part protected (secured by level 1 or 2). 03h XXXX Program Software Boot Vector or Boot Status Byte: DATA[0]= 06h DATA[1]= 00h Program BSB with DATA[2]. DATA[1]= 01h Program SBV with DATA[2]. Return “.” Done. “P” Not done. Part already protected (secured by level 2). 01h XXXX Full Chip Erase: DATA[0]= 07h Erase user memory from address 0000h to FFFFh. Set SBV to F0h and BSB to FFh. Program software security to level 0. Return “.” 03h XXXX Program Fuse bits: DATA[0]= 0Ah DATA[1]= 04h DATA[2]= 00h Program BLJB bit. DATA[2]= 01h Erase BLJB bit. DATA[1]= 08h DATA[2]= 00h Program X2 bit. DATA[2]= 01h Erase X2 bit. Return “.” Done. “P” Not done. Part protected (secured by level 1 or 2). TYPE SIZE ADDRESS Description |
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