Figure 23. 1-wire write- and read-time slots – Rainbow Electronics DS2781 User Manual
Page 30
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Figure 23. 1-Wire Write- And Read-Time Slots
LINE TYPE LEGEND:
Bus master active low
DS2781 active low
Resistor pullup
Both bus master and
DS2781 active low
t
SLOT
V
PULLUP
GND
READ 0 SLOT
READ 1 SLOT
t
SLOT
t
REC
>1
ms
t
RDV
Master Sample Window
Master Sample Window
t
RDV
V
PULLUP
GND
t
SLOT
Standard
t
LOW1
t
SLOT
WRITE 0 SLOT
WRITE 1 SLOT
t
LOW0
t
REC
>1
ms
DS2781 Sample Window
MIN
TYP
MAX
15
ms
15
ms
30
ms
DS2781 Sample Window
MIN
TYP
MAX
15
ms
15
ms
30
ms
2
ms
Overdrive
Mode
1
ms
3
ms
1
ms
2
ms
3
ms
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