DS2422 Maxim, DS2422 Datasheet - Page 45

• Manufacturer Part Number: DS2422
• Description: The DS2422 temperature/data logger combines the core functions of a fully featured data logger in a single chip
• Manufacturer: Maxim

COPY SCRATCHPAD WITH PASSWORD (SUCCESS)
COPY SCRATCHPAD WITH PASSWORD (INVALID TA-E/S OR PASSWORD)
READ MEMORY WITH PASSWORD & CRC (SUCCESS)
READ MEMORY WITH PASSWORD & CRC (INVALID PASSWORD OR ADDRESS)
CLEAR MEMORY WITH PASSWORD
To verify success, read the General Status Register at address 0215h. If MEMCLR is 1, the command was
executed successfully.
FORCED CONVERSION
To read the result and to verify success, read the addresses 020Ch to 020Fh (results) and the Device Samples
Counter at address 0223h to 0225h. If the count has incremented, the command was executed successfully.
START MISSION WITH PASSWORD
To verify success, read the General Status Register at address 0215h. If MIP is 1 and MEMCLR is 0, the command
was executed successfully.
RST
RST
RST
RST
RST
RST
RST
PD
PD
PD
PD
PD
PD
PD
Select
Select
Select
Select
Select
Select
Select
CPS
CPS
RMC
RMC
CM
FC
SM
FFh
<PW/dummy>
<PW/dummy>
TA-E/S
TA-E/S
TA
TA
FF loop
<PW/dummy>
<PW/dummy>
<PW/dummy>
<PW/dummy>
FFh
FFh
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FF loop
FF loop
FF loop
<data to EOP>
AA loop
FF loop
<32 bytes>
CRC16\
CRC16\
FF loop
Loop