AT89C51RD2-RDTIM Atmel, AT89C51RD2-RDTIM Datasheet - Page 91
AT89C51RD2-RDTIM
Manufacturer Part Number
AT89C51RD2-RDTIM
Description
MCU 8-Bit AT89 80C51 CISC 64KB Flash 3.3V/5V 64-Pin VQFP Tray
Manufacturer
Atmel
Datasheet
1.AT89C51RD2-RDTIM.pdf
(137 pages)
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23.3
4235J–8051–01/08
Registers
Figure 23-2. Recommended EEPROM Data Read Sequence
Table 23-1.
EECON (0D2h)
EEPROM Control Register
Bit Number
7 - 2
7
-
Mnemonic
EECON Register
6
-
Bit
-
Description
Reserved
The value read from this bit is indeterminate. Do not set this bit.
5
-
Exec: MOVX A, @DPTR
EEPROM Data Mapping
EEPROM Data Mapping
EECON = 00h (EEE = 0
EEPROM Data Read
EECON = 02h (EEE=1)
Save & Disable IT
DPTR= Address
4
-
Sequence
ACC= Data
Last Byte
Cleared?
Data Read
to Read?
Restore IT
EEBusy
EA= 0
3
-
AT89C51RD2/ED2
2
-
EEE
1
EEBUSY
0
91
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