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DS28EC20 Datasheet(PDF) 13 Page - Dallas Semiconductor

Part # DS28EC20
Description  20Kb 1-Wire EEPROM
PDF  24 Pages
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Manufacturer  DALLAS [Dallas Semiconductor]
Direct Link  https://www.maximintegrated.com/en.html
Logo DALLAS - Dallas Semiconductor

DS28EC20 Datasheet(HTML) 13 Page - Dallas Semiconductor

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DS28EC20: 20Kb 1-Wire EEPROM
13 of 24
Figure 7-4. Memory Function Flow Chart (continued)
F0h
Read Memory ?
Y
N
From Figure 7,
3
rd Part
To Figure 7,
3
rd Part
A5h
Extended Read
Memory?
N
Y
Bus Master TX
TA1 (T[7:0]),
TA2 (T[15:8])
DS28EC20 sets Memory
Address = (T[15:0])
DS28EC20
Increments
Address
Counter
Bus Master
RX “1”s
Address
< 0A3Fh?
Y
N
N
Master
TX Reset?
Y
Master
TX Reset?
Bus Master RX
Data Byte from
Memory Address
Y
N
N
Bus Master
RX “1”s
Master
TX Reset ?
Y
DS28EC20 sets Memory
Address = (T[15:0])
Bus Master TX
TA1 (T[7:0]),
TA2 (T[15:8])
Decision
made by
DS28EC20
Decision
made by
Master
Master RX Byte from
Memory Address
Address
<0A40h
Master TX
Reset?
DS28EC20
Increments
Address
Counter
End of
Page?
Master TX
Reset
N
Y
N
Y
CRC OK?
Y
N
Y
N
Master RX
FFh Byte
Master RX CRC16 of
Command, Address, Data
(1
st Pass); CRC16 of Data
(Subsequent Passes)
BS = 1
BS = 1



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