DS28E04-100 데이터 시트보기 (PDF) - Maxim Integrated

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DS28E04-100

4096-Bit Addressable 1-Wire EEPROM with PIO

Maxim Integrated 

DS28E04-100: 4096-Bit 1-Wire Addressable EEPROM with PIO

Figure 9-3. Memory/Control Function Flow Chart (continued)

From Figure 9

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 9

4th Part

Auth. Code

Y

Match ?

N

T15:T0

Y

< 0220h ?

N

N

PF = 0 ?

Y

Y

Copy-

Protected ?

N

AA = 1

DS28E04 copies Scratch- *

pad Data to Address

DS28E04 TX “0”

To Figure 9

2nd Part

Bus Master

RX “1”s

Master

N

TX Reset ?

Y

* 1-Wire idle high 10ms for power

Y

Master

TX Reset ?

N

DS28E04 TX “1”

Master

N

TX Reset ?

Y

From Figure 9

4th Part

16 of 37

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