Rainbow-electronics DS2761 Manual do Utilizador descarregar pdf (Página 21)

DS2761

21 of 24

Figure 18. 1-WIRE WRITE- AND READ-TIME SLOTS

Figure 19. SWAP COMMAND TIMING

PACK+

PACK-

t

S

L

O

T

DQ

t

L

O

W1

t

S

L

O

T

WRITE 0 SLOT WRITE 1 SLOT

t

L

O

W

0

t

RE

C

>1

m

s

DS2761 SAMPLE WINDOW

MIN

TYP

MAX

15

m

s15

m

s 30

m

s

DS2761 SAMPLE WINDOW

MIN

TYP

MAX

15

m

s15

m

s 30

m

s

LINE TYPE LEGEND:

BUS MASTER ACTIVE LOW

DS2761 ACTIVE LOW

RESISTOR PULLUP

BOTH BUS MASTER AND

DS2761 ACTIVE LOW

t

S

L

O

T

READ 0 SLOT READ 1 SLOT

t

S

L

O

T

t

RE

C

>1

m

s

t

RDV

MASTER SAMPLE WINDOW

MASTER SAMPLE WINDOW

t

RDV

PACK+

PACK–

DQ

t

SWOFF

t

SWON

t

SWL

CC , DC

CC , DC

DQ

1 2 ... 16 17 18 19 20 21 22 23 24

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