T89C51AC2-RLTIM View Datasheet(PDF) - Atmel Corporation
Part Name
Description
MFG CO.
'T89C51AC2-RLTIM' PDF : 121 Pages View PDF
Registers
Table 21. EECON Register
EECON (S:0D2h)
EEPROM Control Register
7
6
5
4
3
EEPL3
EEPL2
EEPL1
EEPL0
-
2
1
0
-
EEE
EEBUSY
Bit
Bit Number Mnemonic Description
7-4
EEPL3-0
Programming Launch command bits
Write 5Xh followed by AXh to EEPL to launch the programming.
3
-
Reserved
The value read from this bit is indeterminate. Do not set this bit.
2
-
Reserved
The value read from this bit is indeterminate. Do not set this bit.
Enable EEPROM Space bit
1
EEE
Set to map the EEPROM space during MOVX instructions (Write in the column
latches)
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
32 A/T89C51AC2
4127H–8051–02/08
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