DS2422 Maxim, DS2422 Datasheet - Page 30

• Manufacturer Part Number: DS2422
• Description: The DS2422 temperature/data logger combines the core functions of a fully featured data logger in a single chip
• Manufacturer: Maxim

Figure 12-3. Memory/Control Function Flow Chart
From Figure 12
To Figure 12
2
2
nd
nd
Part
Part
Decision made
Decision made
by DS2422
by Master
Master TX
Reset
Y
N
30 of 49
TA1 (T7:T0), TA2 (T15:T8)
(1
Command, Address, Data
from Memory Address
DS2422 sets Memory
st
Master RX Data Byte
(Subsequent Passes)
Master RX CRC16 of
Address = (T15:T0)
64-Bits [Password]
Pass); CRC16 of Data
End of Page?
[w/PW]&CRC
Read Mem.
Accepted?
Master TX
TX Reset?
Password
CRC OK?
Master TX
Master TX
Memory?
Master
Reset?
Y
End of
69H
N
Y
Y
Y
Y
Y
N
N
N
N
N
Master RX "1"s
ments Address
DS2422 Incre-
Counter
From Figure 12
To Figure 12
4
4
th
th
Part
Part