DS1922E-F5 MAXIM [Maxim Integrated Products], DS1922E-F5 Datasheet - Page 33
DS1922E-F5
Manufacturer Part Number
DS1922E-F5
Description
High-Temperature Logger iButton with 8KB Data-Log Memory
Manufacturer
MAXIM [Maxim Integrated Products]
Datasheet
1.DS1922E-F5.pdf
(44 pages)
- Current page: 33 of 44
- Download datasheet (388Kb)
Figure 11b. ROM Functions Flowchart (continued)
High-Temperature Logger iButton with 8KB
TO FIGURE 11a
FROM FIGURE 11a
FROM FIGURE 11a
TO FIGURE 11a
NOTE: THE OD FLAG REMAINS AT 1 IF THE DEVICE WAS ALREADY AT OVERDRIVE SPEED BEFORE THE OVERDRIVE-MATCH ROM COMMAND WAS ISSUED.
______________________________________________________________________________________
COMMAND?
SKIP ROM
RC = 0
CCh
Y
N
COMMAND?
RESUME
RC = 1?
A5h
Y
Y
MASTER Tx
RESET?
N
N
N
Y
RC = 0; OD = 1
OVERDRIVE-
SKIP ROM?
MASTER Tx
RESET?
3Ch
Y
N
Y
N
Data-Log Memory
MASTER Tx BIT 63
MASTER Tx BIT 0
MASTER Tx BIT 1
BIT 63 MATCH?
RC = 0; OD = 1
MATCH ROM?
BIT 0 MATCH?
BIT 1 MATCH?
OVERDRIVE-
RC = 1
69h
Y
Y
Y
Y
N
N
N
N
(SEE NOTE)
(SEE NOTE)
(SEE NOTE)
OD = 0
OD = 0
OD = 0
33
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