DS1994L-F5 查看數據表（PDF） - Dallas Semiconductor -> Maxim Integrated
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DS1994L-F5 Datasheet PDF : 22 Pages
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Figure 6. MEMORY FUNCTIONS FLOWCHART (continued)
DS1994
From Figure 6
55H
Copy
N
First Part
Scratchpad
?
Y
Bus Master TX
TA1 (T7:T0)
Bus Master TX
TA2 (T15:T8)
Bus Master TX
E/S Byte
Auth.
N
Code Match
?
Y
AA = 1
DS1994 TX "1"s
DS1994 Copies
Scratchpad Data
To Memory
DS1994 TX "0"s
N Bus Master
TX Reset
?
Y
F0H
Y
Read Memory
N?
Bus Master TX
TA1 (T7:T0)
Bus Master TX
TA2 (T15:T8)
DS1994 sets Memory
Address = (T15:T0)
Master RX Data
Byte From
Memory Address
DS1994
Increments
Address Counter
Y
Bus Master
TX Reset
?
N
Bus Master N
TX Reset
?
Y
N Memory
Address
= 21Dh ?
Y
Bus Master
RX "1"s
To Figure 6
First Part
11 of 22
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