DS2431 データシートの表示（PDF） - Dallas Semiconductor -> Maxim Integrated

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DS2431

1024-Bit 1-Wire EEPROM

Dallas Semiconductor -> Maxim Integrated 

Figure 7-3. Memory Function Flow Chart (continued)

DS2431: 1024-Bit, 1-Wire EEPROM

From Figure 7

2nd Part

55h

N

Copy Scratch-

Pad ?

Y

Bus Master TX

TA1 (T7:T0), TA2 (T15:T8)

and E/S Byte

Applicable to all R/W

memory locations.

To Figure 7

4th Part

Auth. Code

Y

Match ?

N

T15:T0

Y

< 0090h ?

N

N

PF = 0 ?

Y

Y

Copy-

Protected ?

N

AA = 1

DS2431 copies Scratch- *

pad Data to Address

DS2431 TX “0”

Bus Master

RX “1”s

Master

N

TX Reset ?

Y

To Figure 7

2nd Part

* 1-Wire idle high for power

Y

Master

TX Reset ?

N

DS2431 TX “1”

Master

N

TX Reset ?

Y

From Figure 7

4th Part

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