Rainbow-electronics DS2781 Bedienungsanleitung PDF herunterladen (Seite 30)

DS2781: Two-Cell Standalone Fuel Gauge IC

30 of 30

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

m

s

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

m

s

DS2781 Sample Window

MIN TYP MAX

15

m

s

15

m

s

30

m

s

DS2781 Sample Window

MIN TYP MAX

15

m

s15

m

s 30

m

s

2

m

s

Overdrive

Mode

1

m

s

3

m

s

1

m

s

2

m

s

3

m

s

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