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DS28E02Q+R Datasheet(PDF) 8 Page - Maxim Integrated Products

Part # DS28E02Q+R
Description  1-Wire SHA-1 Authenticated 1Kb EEPROM with 1.8V Operation
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Manufacturer  MAXIM [Maxim Integrated Products]
Direct Link  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products

DS28E02Q+R Datasheet(HTML) 8 Page - Maxim Integrated Products

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1-Wire SHA-1 Authenticated 1Kb
EEPROM with 1.8V Operation
8
_______________________________________________________________________________________
ABRIDGED DATA SHEET
Figure 6. Memory Protection Matrix
Address Registers and Transfer Status
The DS28E02 employs three address registers: TA1,
TA2, and E/S (Figure 7). These registers are common to
many other 1-Wire devices, but operate slightly differ-
ently with the DS28E02. Registers TA1 and TA2 must be
loaded with the target address to which the data is writ-
ten or from which data is read. Register E/S is a read-
only transfer-status register used to verify data integrity
with write commands. Since the scratchpad of the
DS28E02 is designed to accept data in blocks of 8
bytes only, the lower 3 bits of TA1 are forced to 0 and
BIT #
7
6
5
4
3
2
1
0
TARGET ADDRESS (TA1)
T7
T6
T5
T4
T3
T2
(0)
T1
(0)
T0
(0)
TARGET ADDRESS (TA2)
T15
T14
T13
T12
T11
T10
T9
T8
ENDING ADDRESS WITH
DATA STATUS (E/S)
(READ ONLY)
AA
1
PF
1
1
E2
(1)
E1
(1)
E0
(1)
Figure 7. Address Registers
Refer to the full data sheet.


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