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DS1922E-F5- Datasheet(PDF) 8 Page - Maxim Integrated Products |
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DS1922E-F5- Datasheet(HTML) 8 Page - Maxim Integrated Products |
8 / 44 page High-Temperature Logger iButton with 8KB Data-Log Memory 8 _______________________________________________________________________________________ AVAILABLE COMMANDS: DATA FIELD AFFECTED: READ ROM MATCH ROM SEARCH ROM CONDITIONAL SEARCH ROM SKIP ROM RESUME OVERDRIVE-SKIP ROM OVERDRIVE-MATCH ROM 64-BIT ROM, RC-FLAG 64-BIT ROM, RC-FLAG 64-BIT ROM, RC-FLAG 64-BIT ROM, RC-FLAG, ALARM FLAGS, SEARCH CONDITIONS RC-FLAG RC-FLAG RC-FLAG, OD-FLAG 64-BIT ROM, RC-FLAG, OD-FLAG 1-Wire ROM FUNCTION COMMANDS WRITE SCRATCHPAD READ SCRATCHPAD COPY SCRATCHPAD WITH PW READ MEMORY WITH PW AND CRC CLEAR MEMORY WITH PW FORCED CONVERSION START MISSION WITH PW STOP MISSION WITH PW 256-BIT SCRATCHPAD, FLAGS 256-BIT SCRATCHPAD 512-BYTE DATA MEMORY, REGISTERS, FLAGS, PASSWORDS MEMORY, REGISTERS, PASSWORDS MISSION TIMESTAMP, MISSION SAMPLES COUNTER, START DELAY, ALARM FLAGS, PASSWORDS MEMORY ADDRESSES 020Ch TO 020Dh FLAGS, TIMESTAMP, MEMORY ADDRESSES 020Ch TO 020Dh (WHEN LOGGING) FLAGS DS1922E-SPECIFIC MEMORY FUNCTION COMMANDS COMMAND LEVEL: BUS MASTER 1-Wire NET OTHER DEVICES DS1922E Figure 2. Hierarchical Structure for 1-Wire Protocol MSB 8-BIT CRC CODE 48-BIT SERIAL NUMBER MSB MSB LSB LSB LSB 8-BIT FAMILY CODE (41h) MSB LSB Figure 3. 64-Bit Lasered ROM 1ST STAGE 2ND STAGE 3RD STAGE 4TH STAGE 7TH STAGE 8TH STAGE 6TH STAGE 5TH STAGE X0 X1 X2 X3 X4 POLYNOMIAL = X8 + X5 + X4 + 1 INPUT DATA X5 X6 X7 X8 Figure 4. 1-Wire CRC Generator |
Similar Part No. - DS1922E-F5- |
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Similar Description - DS1922E-F5- |
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