AT89C51ID2-SLSIM Atmel, AT89C51ID2-SLSIM Datasheet - Page 112

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

112
AT89C51ID2
Figure 43. Recommended EEPROM Data Write Sequence
Exec: MOVX @DPTR, A
EECON = 00h (EEE=0)
EEPROM Data Write
EEPROM Data Mapping
EECON = 02h (EEE=1)
EEPROM Mapping
Save & Disable IT
DPTR= Address
ACC= Data
Last Byte
Data Write
Sequence
to Load?
Cleared?
Restore IT
EEBusy
EA= 0
4289C–8051–11/05