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AT89C51AC3-RDTIM Datasheet(PDF) 37 Page - ATMEL Corporation

Part # AT89C51AC3-RDTIM
Description  Enhanced 8-bit Microcontroller with 64KB Flash Memory
PDF  141 Pages
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Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT89C51AC3-RDTIM Datasheet(HTML) 37 Page - ATMEL Corporation

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37
AT89C51AC3
4383A–8051–10/04
Registers
Table 11. EECON Register
EECON (S:0D2h)
EEPROM Control Register
Reset Value = XXXX XX00b
Not bit addressable
7654
3210
EEPL3
EEPL2
EEPL1
EEPL0
-
-
EEE
EEBUSY
Bit Number
Bit
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.
1EEE
Enable EEPROM Space bit
Set to map the EEPROM space during MOVX instructions (Write in the column
latches)
Clear to map the XRAM space during MOVX.
0EEBUSY
Programming Busy flag
Set by hardware when programming is in progress.
Cleared by hardware when programming is done.
Can not be set or cleared by software.



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