Datasheet

DS28E05 1-Wire EEPROM
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Figure 6. Memory Functions Flowchart
MASTER Tx
STARTING ADDRESS T[15:0]
Y
Y
Y
N
Y
F0h
READ MEMORY?
N
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
Y
Y
55h
WRITE MEMORY?
N
MASTER
Tx FFh RELEASE
BYTE?
PARAMETER
BYTE AND FFh BYTE
VALID?
MASTER Tx FFh BYTE
MASTER WAITS 1 x t
PROG
*
MASTER Rx CS BYTE
MASTER Tx 2 DATA BYTES
MASTER
Tx RESET?
SEGMENT #
= 7?
Y
N
N
Y
MASTER
Tx RESET?
*1-Wire IDLE HIGH FOR POWER.
Y
N
N
N
MASTER
Rx “1”s
N
Y
N
DS28E05
INCREMENTS
ADDRESS
COUNTER