DS1972-F3 MAXIM [Maxim Integrated Products], DS1972-F3 Datasheet - Page 12
DS1972-F3
Manufacturer Part Number
DS1972-F3
Description
1024-Bit EEPROM iButton
Manufacturer
MAXIM [Maxim Integrated Products]
Datasheet
1.DS1972-F3.pdf
(23 pages)
Figure 7-4. Memory Function Flow Chart (continued)
From Figure 7
To Figure 7
3
3
rd
rd
Part
Part
Read Memory ?
Bus Master TX
TA2 (T15:T8)
TA1 (T7:T0),
Address
< 90h ?
F0h
Y
N
Bus Master
RX “1”s
Increments
DS1972
Address
Counter
Y
N
Y
N
12 of 23
DS1972 sets Memory
Address = (T15:T0)
Memory Address
Bus Master RX
Data Byte from
TX Reset ?
TX Reset ?
Address
< 8Fh ?
Master
Master
N
N
Y
Y
N
Bus Master
TX Reset ?
RX “1”s
Master
Y
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