DS1922T-F5 MAXIM [Maxim Integrated Products], DS1922T-F5 Datasheet - Page 45

• Manufacturer Part Number: DS1922T-F5
• Description: Temperature Logger iButton With 8kB Datalog Memory
• Manufacturer: MAXIM [Maxim Integrated Products]

COPY SCRATCHPAD WITH PASSWORD (FAIL TA-E/S OR PASSWORD)
READ MEMORY WITH PASSWORD AND CRC (SUCCESS)
READ MEMORY WITH PASSWORD AND CRC (FAIL 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.
STOP MISSION WITH PASSWORD
To verify success, read the General Status Register at address 0215h. If MIP 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
RMC
RMC
CM
FC
SM
STP
FFh
<PW/dummy>
<PW/dummy>
<PW/dummy>
TA-E/S
TA
TA
FF loop
<PW/dummy>
<PW/dummy>
<PW/dummy>
FFh
FFh
45 of 50
FFh
FF loop
FF loop
FF loop
<data to EOP>
FF loop
FF loop
<32 bytes>
CRC16\
CRC16\
DS1922L/DS1922T
FF loop
Loop