DS1820 View Datasheet(PDF) - Dallas Semiconductor -> Maxim Integrated
Part Name
Description
MFG CO.
'DS1820' PDF : 27 Pages View PDF
MEMORY FUNCTIONS FLOW CHART Figure 10
MASTER TX MEMORY
OR CONTROL COMMAND
4Eh
WRITE
N
SCRATCHPAD
?
Y
DS1820 SETS ADDRESS
COUNTER TO 2
MASTER TX DATA BYTE
TO SCRATCHPAD
MASTER
Y
TX RESET
?
N
ADDRESS
Y
=3
?
N
DS1820 INCREMENTS
ADDRESS
N
MASTER
TX RESET
?
Y
DS1820
BEh
READ
N
SCRATCHPAD
?
Y
DS1820 SETS ADDRESS
COUNTER TO 0
MASTER RX DATA
FROM SCRATCHPAD
MASTER
Y
TX RESET
?
N
ADDRESS
Y
=7
?
N
DS1820 INCREMENTS
ADDRESS
MASTER RX 8–BIT
CRC OF DATA
MASTER
Y
TX RESET
?
N
MASTER RX “1s”
DS1820 TX
PRESENCE PULSE
030598 13/27
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