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AT89C51ED2-RDTUM 데이터시트(PDF) 91 Page - ATMEL Corporation

부품명 AT89C51ED2-RDTUM
상세설명  8-bit Flash Microcontroller
PDF  137 Pages
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제조업체  ATMEL [ATMEL Corporation]
홈페이지  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT89C51ED2-RDTUM 데이터시트(HTML) 91 Page - ATMEL Corporation

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4235K–8051–05/08
AT89C51RD2/ED2
Figure 23-2. Recommended EEPROM Data Read Sequence
23.3
Registers
Table 23-1.
EECON Register
EECON (0D2h)
EEPROM Control Register
EEPROM Data Read
Sequence
Data Read
DPTR= Address
ACC= Data
Exec: MOVX A, @DPTR
Last Byte
to Read?
EEPROM Data Mapping
EECON = 02h (EEE=1)
EEPROM Data Mapping
EECON = 00h (EEE = 0
Save & Disable IT
EA= 0
Restore IT
EEBusy
Cleared?
7
6
5
4
3
2
1
0
-
-
-
-
-
-
EEE
EEBUSY
Bit Number
Bit
Mnemonic
Description
7 - 2
-
Reserved
The value read from this bit is indeterminate. Do not set this bit.



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