DS2434 Dallas Semiconducotr, DS2434 Datasheet - Page 10

• Manufacturer Part Number: DS2434
• Description: Battery Identification Chip
• Manufacturer: Dallas Semiconducotr

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