DS28E05R+T datasheet(8/17 Pages) MAXIM

Part #	DS28E05R+T

Description	Single-Contact 1-Wire Interface

Download	17 Pages

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Manufacturer	MAXIM [Maxim Integrated Products]

Direct Link	https://www.maximintegrated.com/en.html

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DS28E05

1-Wire EEPROM

www.maximintegrated.com

Maxim Integrated │ 8

Figure 6. Memory Functions Flowchart

MASTER Tx

STARTING ADDRESS T[15:0]

Y

N

Y

F0h

READ MEMORY?

N

ADDRESS

< 0080h?

MASTER

Tx RESET?

MASTER

Tx RESET?

END OF

MEMORY?

MASTER Tx MEMORY

FUNCTION COMMAND

DS28E05 SETS MEMORY

ADDRESS = (T[15:0])

MASTER Rx (READS BACK)

2 DATA BYTES AND VERIFIES

MASTER Rx

DATA BYTE FROM

MEMORY ADDRESS

DS28E05

INCREMENTS

ADDRESS

COUNTER

MASTER

Rx “1”s

FROM ROM FUNCTIONS

FLOWCHART (FIGURE 8)

TO ROM FUNCTIONS

FLOWCHART (FIGURE 8)

MASTER Tx PARAMETER BYTE

Y

55h

WRITE MEMORY?

N

MASTER

Tx FFh RELEASE

BYTE?

PARAMETER

BYTE AND FFh BYTE

VALID?

MASTER Tx FFh BYTE

MASTER WAITS 1 x tPROG*

MASTER Rx CS BYTE

MASTER Tx 2 DATA BYTES

MASTER

Tx RESET?

SEGMENT #

= 7?

Y

N

Y

MASTER

Tx RESET?

*1-Wire IDLE HIGH FOR POWER.

Y

N

MASTER

Rx “1”s

N

Y

N

DS28E05

INCREMENTS

ADDRESS

COUNTER

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DS28E05R+T Datasheet(PDF) 8 Page - Maxim Integrated Products

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