AT89C51ID2 Atmel Corporation, AT89C51ID2 Datasheet - Page 128

• Manufacturer Part Number: AT89C51ID2
• Manufacturer: Atmel Corporation

Specifications of AT89C51ID2

• Flash (kbytes): 64 Kbytes
• Max. Operating Frequency: 60 MHz
• Cpu: 8051-12C
• Max I/o Pins: 32
• Spi: 1
• Twi (i2c): 1
• Uart: 1
• Sram (kbytes): 2
• Eeprom (bytes): 2048
• Self Program Memory: API
• Operating Voltage (vcc): 2.7 to 5.5
• Timers: 4
• Isp: UART
• Watchdog: Yes

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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•
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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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