Rainbow-electronics DS1972 Instrukcja Użytkownika Pobierz pdf (Strona 12)

DS1972: 1024-Bit EEPROM iButton

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Figure 7-4. Memory Function Flow Chart (continued)

F0h

Read Memory ?

Address

< 90h ?

Y

N

Bus Master TX

TA1 (T7:T0),

TA2 (T15:T8)

Y

N

DS1972 sets Memory

Address = (T15:T0)

DS1972

Increments

Address

Counter

Bus Master

RX “1”s

N

Address

< 8Fh ?

Master

TX Reset ?

Y

N

Y

Master

TX Reset ?

Bus Master RX

Data Byte from

Memory Address

Y

N

From Figure 7

3

rd

Part

To Figure 7

3

rd

Part

N

Bus Master

RX “1”s

Master

TX Reset ?

Y

1 2 ... 7 8 9 10 11 12 13 14 15 16 17 ... 22 23

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