Rainbow Electronics DS2401 - Manual (Page 7)

DS2401
7 of 10
INITIALIZATION PROCEDURE “RESET AND PRESENCE PULSES” Figure 5
480 ms £ t
RSTL
< ¥ *
480 ms £ t
RSTH
< ¥ (includes recovery time)
15 ms £ t
PDH
< 60 ms
60 ms £ t
PDL
< 240 ms
* In order not to mask interrupt signaling by other devices on the 1-Wire bus, t
RSTL
+ t
R
should always
be less than 960 ms.
READ/WRITE TIMING DIAGRAM Figure 6
Write-One Time Slot
60 ms £ t
SLOT
< 120 ms
1 ms £ t
LOW1
< 15 ms
1 ms £ t
REC
< ¥
RESISTOR
MASTER
RESISTOR
MASTER
DS2401