Rainbow-electronics DS25LV02 Manual do Utilizador descarregar pdf (Página 12)

DS25LV02: Low-Voltage 1024-Bit EPROM

12 of 17

Figure 6. 1-Wire Write and Read Time Slots

WRITE 0 SLOT WRITE 1 SLOT

t

SLOT

t

LOW0

t

SLOT

t

REC

t

LOW1

V

PULLUP

GND

Device Sample Window

MIN TYP MAX

15ms

2ms

15ms 30ms

1ms 3ms

Device Sample Window

MIN TYP MAX

15ms

2ms

15ms 30ms

1ms 3ms

Overdrive

Standard

MODE

>1ms

READ DATA SLOT

Data = 0

t

SLOT

15ms

t

SLOT

t

REC

V

PULLUP

GND

Master Sample Window

t

RDV

15ms

Master Sample Window

>1ms

Data = 1

Overdrive

Standard

MODE

2ms 2ms

LINE TYPE LEGEND:

Bus Master active LOW Slave Device active LOW

Both Bus Master and Slave Device Resistor pullup

active LOW

t

RDV

1 2 ... 7 8 9 10 11 12 13 14 15 16 17

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