Rainbow-electronics DS2432 Manuel d'utilisateur télécharger pdf (Page 14)

PRELIMINARY DS2432

14 of 30

Memory and SHA Functions Flow Chart (continued) Figure 7

F0h

Read Memory ?

Address

< 98h ?

Y

N

Bus Master TX

TA1 (T7:T0),

TA2 (T15:T8)

Y

N

Y

N

Address

Of Secret

DS2432 sets Memory

Address = (T15:T0)

DS2432

Increments

Address

Counter

Bus Master

RX “1”s

N

Address

< 97h ?

Master

TX Reset ?

Y

N

Y

Master

TX Reset ?

Bus Master RX

Data Byte from

Memory Address

Bus Master

RX FFh Byte

Y

N

From Figure 7

6

th

Part

To Figure 7

6

th

Part

N

Bus Master

RX “1”s

Master

TX Reset ?

Y

1 2 ... 9 10 11 12 13 14 15 16 17 18 19 ... 29 30

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