GD82551ER S L66X Intel, GD82551ER S L66X Datasheet - Page 39
GD82551ER S L66X
Manufacturer Part Number
GD82551ER S L66X
Description
Manufacturer
Intel
Datasheet
1.GD82551ER_S_L66X.pdf
(104 pages)
Specifications of GD82551ER S L66X
Operating Supply Voltage (typ)
3.3V
Operating Supply Voltage (min)
3V
Operating Supply Voltage (max)
3.6V
Operating Temperature Classification
Industrial
Package Type
BGA
Mounting
Surface Mount
Pin Count
196
Lead Free Status / Rohs Status
Not Compliant
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Datasheet
Figure 10. 64-Word EEPROM Read Instruction Waveform
All accesses, either read or write, are preceded by a command instruction to the device. The
address field is six bits for a 64-register EEPROM or eight bits for a 256-register EEPROM. The
end of the address field is indicated by a dummy zero bit from the EEPROM, which indicates the
entire address field has been transferred to the device. An EEPROM read instruction waveform is
shown in the figure below.
The 82551ER performs an automatic read of four words (0h, 1h, 2h, and Ah) of the EEPROM after
the de-assertion of Reset. Refer to the 82551QM/ER/IT EEPROM Map and Programming
Information for more details.
EEDO
EESK
EECS
EEDI
READ OP code
A
5
A
4
A
3
A
2
A
A
A
1
1
0
A
0
Networking Silicon — 82551ER
D
15
D
0
31
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