DS1961S-F5 Maxim Integrated Products, DS1961S-F5 Datasheet - Page 17
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DS1961S-F5
Manufacturer Part Number
DS1961S-F5
Description
DS1961S 1kb Protected EePROM Ibutton With SHA-1 Engine
Manufacturer
Maxim Integrated Products
Datasheet
1.DS1961S-F5.pdf
(36 pages)
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Quantity
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Figure 7-8. MEMORY AND SHA FUNCTIONS FLOW CHART (continued)
From Figure 7
To Figure 7
7th Part
7th Part
DS1961S Sets EN LFS = 0
TA1 (T7:T0), TA2 (T15:T8)
Read Memory ?
Bus Master TX
Address
< 98h ?
F0h
Y
N
Bus Master
RX “1”s
Increments
DS1961S
Address
Counter
Y
N
Y
N
DS1961S Sets Memory
17 of 36
Address = (T15:T0)
Memory Address
Bus Master RX
Data Byte from
TX Reset ?
TX Reset ?
Of Secret
Address
Address
< 97h ?
Master
Master
N
N
Y
N
Y
Y
RX FFh Byte
Bus Master
N
Bus Master
TX Reset ?
RX “1”s
Master
Y