Datasheet

DS28E04-100: 4096-Bit 1-Wire Addressable EEPROM with PIO
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COMMAND-SPECIFIC 1-Wire COMMUNICATION PROTOCOL—COLOR CODES
Master to slave Slave to master Programming
WRITE SCRATCHPAD (CANNOT FAIL)
RST PD Select WS TA <32 – T4:T0 bytes> CRC16\ FF loop
READ SCRATCHPAD (CANNOT FAIL)
RST PD Select RS TA-E/S <E4:E0 - T4:T0 +1 bytes> CRC16\ FF loop
COPY SCRATCHPAD 1-Wire POWERED (SUCCESS)
RST PD Select CPS TA-E/S wait t
PROGMAX
AA loop
COPY SCRATCHPAD (INVALID ADDRESS OR PF = 1 OR COPY PROTECTED)
RST PD Select CPS TA-E/S FF loop
READ MEMORY (SUCCESS)
RST PD Select RM TA <data to EOM> FF loop
READ MEMORY (INVALID ADDRESS)
RST PD Select RM TA FF loop
WRITE REGISTER (SUCCESS)
RST PD Select WREG TA <register data> FF loop
WRITE REGISTER (INVALID ADDRESS)
RST PD Select WREG TA FF loop