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DS2434数据手册封面

DS2434 Datasheet

  • DS2434

  • Battery Identification Chip

  • 823.23KB

  • Dallas   Dallas

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

DS2434 产品属性

  • Maxim Integrated Products

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