DS25LV02: Low-Voltage 1024-Bit EPROM
Figure 8. Operational Flow Chart
START
MASTER Tx
RESET PULSE
DS25LV02 Tx
PRESENCE PULSE
MASTER Tx
NET ADDRESS
COMMAND
33h/39h
READ
NO
55h
MATCH
NO
F0h
SEARCH
NO
CCh
SKIP
NO
YES
DS25LV02 Tx
FAMILY CODE
1 BYTE
YES
MASTER Tx
BIT 0
YES
DS25 LV02 Tx BIT 0
DS25 LV02 Tx BIT 0
YES
GO TO MEMORY
COMMANDS 1
MASTER Tx BIT 0
DS25LV02 Tx
SERIAL NUMBER
6 BYTES
DS25LV02 Tx
BIT 0
MATCH?
NO
NO
BIT 0
MATCH?
CRC
1 BYTE
YES
MASTER Tx
BIT 1
DS25 LV02 Tx BIT 1
DS25 LV02 Tx BIT 1
MASTER Tx BIT 1
BIT 1
NO
NO
BIT 1
MATCH?
YES
MASTER Tx
BIT 63
MATCH?
YES
DS25LV02 Tx BIT 63
DS25LV02 Tx BIT 63
MASTER Tx BIT 63
GO TO MEMORY
COMMANDS 1
YES
BIT 63
MATCH?
NO
GO TO START
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