ds2482-101 Maxim Integrated Products, Inc., ds2482-101 Datasheet - Page 22

• Manufacturer Part Number: ds2482-101
• Description: Single-channel 1-wire Master With Sleep Mode
• Manufacturer: Maxim Integrated Products, Inc.

Single-Channel 1-Wire Master with Sleep Mode
Figure 11. Application Schematic
22
1-Wire Triplet (To Perform a Search ROM Function on the 1-Wire Line) (continued)
Case B: 1-Wire Idle (1WB = 0), Busy Polling Until the 1-Wire Command is Completed
When 1WB has changed from 1 to 0, the Status Register holds the valid result of the 1-Wire Triplet command.
Case C: 1-Wire Busy (1WB = 1)
The master should stop and restart as soon as the DS2482-101 does not acknowledge the command code.
S
S
______________________________________________________________________________________
AD,0
AD,0
*R
A
A
P
= I
2
C PULLUP RESISTOR (SEE THE APPLICATIONS INFORMATION SECTION FOR R
1WT
1WT
μC
(I
2
C PORT)
A\
A
<byte>
P
V
Sr
A
CC
R
P
*
I 2 C Communication Examples (continued)
AD,1
SDA
SCL
SLPZ
AD0
SDA
SCL
SLPZ
AD0
DS2482-101
DS2482-101
V
CC
A
REPEAT UNTIL THE 1WB BIT
PCTLZ
PCTLZ
HAS CHANGED TO 0.
<byte>
IO
IO
P
SIZING).
1-Wire LINE
A
1-Wire LINE
CURRENT-LIMITING
RESISTOR
V
<byte>
CC
(WITH SPECIAL POWER
DEVICE #2
1-Wire DEVICE #1
1-Wire
REQUIREMENTS)
A\
P