DS2434 데이터 시트보기 (PDF) - Dallas Semiconductor -> Maxim Integrated
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DS2434 Datasheet PDF : 20 Pages
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DS2434 COMMAND SET Table 1
INSTRUCTION
DESCRIPTION
PROTOCOL
1-WIRE BUS
MASTER STATUS
AFTER ISSUING
PROTOCOL
DS2434
1-WIRE BUS DATA
AFTER ISSUING
PROTOCOL
Read Scratchpad
Reads bytes from
DS2434 Scratchpad
11<addr
(00h-05h)>
RX
<read data>
Write Scratchpad
Writes bytes to DS2434 17h<addr
Scratchpad
00h-5Fh)>
TX
<write data>
Copies entire contents of 22h
{NVB bit in Status
Copy SP1 to NV1 SP1 to NV1
Idle
Register=1 until copy
complete(10 ms,
typ)}
Copies entire contents of 25h
{NVB bit in Status
Copy to SP2 to NV2 SP2 to NV2
Idle
Register=1 until copy
complete(10 ms,
typ)}
Copy SP3 to SRAM
Copies entire contents
to SP3 to SRAM
28h
Idle
Idle
Copy NV1 to SP1
Copies entire contents
to NV1 to SP1
71h
Idle
Idle
Copy NV2 to SP2
Copies entire contents
to NV2 to SP2
77h
Idle
Idle
Copy SRAM to SP3
Copies entire contents
of SRAM to SP3
7Ah
Idle
Idle
Locks 24 bytes of SP1
43h
{NVB bit in Status
Lock NV1
and NV1 from reading
and writing.
Idle
Register=1 until copy
complete(10 ms,
typ)}
Unlocks 24 bytes of SP1
44h
{NVB bit in Status
Unlock NV1
and NV1 for reading
Idle
Register=1 until copy
and writing
complete(10 ms, typ)}
Reads bytes from
B2<addr
Read Registers Temperature, Status and (60h-63h,
RX
<read data>
ID Registers
80h-83h)>
Resets cycle counter
{NVB bit in Status
Reset Cycle Counter register to 0
B8h
Idle
Register=1 until copy
complete (10 ms,
typ)}
Increments the value in
{NVB bit in Status
Increment Cycle
Counter
the cycle counter register
B5h
Idle
Register= 1 until copy
complete (10 ms,
typ)}
Initiates temperature
{TB bit in Status
Convert T
conversion
D2h
Idle
Register = 1 until
conversion complete}
10 of 20
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