AT89C51ID2-SLSIM Atmel, AT89C51ID2-SLSIM Datasheet - Page 128

• Manufacturer Part Number: AT89C51ID2-SLSIM
• Description: C51ID2 64KF TWI 32KHZ PLCC44 3-5.5V IND.
• Manufacturer: Atmel

Full Chip Erase
Checksum Error
4289C–8051–11/05
The ISP command "Full Chip Erase" erases all User Flash memory (fills with FFh) and
sets some bytes used by the bootloader at their default values:
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The Full Chip Erase does not affect the bootloader.
When a checksum error is detected send ‘X’ followed with CR&LF.
BSB = FFh
SBV = FCh
SSB = FFh and finally erase the Software Security Bits
AT89C51ID2
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