AT89C51ID2_05 Datasheet, PDF (114/157 Pages) ATMEL Corporation – 8-bit Flash Microcontroller

Registers
Table 86. EECON Register
EECON (0D2h)
EEPROM Control Register
7
6
5
4
3
2
1
0
-
-
-
-
-
-
EEE
EEBUSY
Bit
Bit Number Mnemonic Description
7-2
-
Reserved
The value read from this bit is indeterminate. Do not set this bit.
Enable EEPROM Space bit
Set to map the EEPROM space during MOVX instructions (Write or Read to
1
EEE
the EEPROM .
Clear to map the XRAM space during MOVX.
Programming Busy flag
0
EEBUSY
Set by hardware when programming is in progress.
Cleared by hardware when programming is done.
Can not be set or cleared by software.
Reset Value = XXXX XX00b
Not bit addressable
114 AT89C51ID2
4289C–8051–11/05