Datasheet
Memory Function Example
BUS MASTER
MODE
DS1624
MODE
DATA
(MSB FIRST)
COMMENTS
{Command protocol for conguration register}
{Start here}
Tx Rx START Bus master initiates a START condition.
Tx Rx <cadr,0> Bus master sends DS1624 address; R/W = 0.
Rx Tx ACK DS1624 generates acknowledge bit.
Tx Rx ACh Bus master sends Access Cong command protocol.
Rx Tx ACK DS1624 generates acknowledge bit (Note 1).
Tx Rx 00h Bus master sets up DS1624 for continuous conversion.
Rx Tx ACK DS1624 generates acknowledge bit (Notes 2, 4).
Tx Rx STOP Bus master initiates the STOP condition.
{Command protocol for Start Convert T}
{Start here}
Tx Rx START Bus master initiates a START condition.
Tx Rx <cadr,0> Bus master sends DS1624 address; R/W = 0.
Rx Tx ACK DS1624 generates acknowledge bit.
Tx Rx EEh Bus master sends Start Convert T command protocol.
Rx Tx ACK DS1624 generates acknowledge bit (Note 1).
Tx Rx STOP Bus master initiates the STOP condition.
{Command protocol for reading the Temperature}
{Start here}
Tx Rx START Bus master initiates a START condition.
Tx Rx <cadr,0> Bus master sends DS1624 address; R/W = 0.
Rx Tx ACK DS1624 generates acknowledge bit.
Tx Rx AAh Bus master sends Read Temp command protocol.
Rx Tx ACK DS1624 generates acknowledge bit (Note 1).
Tx Rx START Bus master initiates a repeated START condition.
Tx Rx <cadr,1> Bus Master sends DS1624 address; R/W = 1.
Rx Tx ACK DS1624 generates acknowledge bit.
Rx Tx <data> DS1624 sends the MSB byte of Temperature.
Tx Rx ACK Bus master generates acknowledge bit.
Rx Tx <data> DS1624 sends the LSB byte of Temperature.
Tx Rx NACK Bus master sends not-acknowledge bit.
Tx Rx STOP Bus master initiates the STOP condition.
{Command protocol for writing to EEPROM}
{Start here}
Tx Rx START Bus master initiates a START condition.
Tx Rx <cadr,0> Bus master sends DS1624 address; R/W = 0.
Rx Tx ACK DS1624 generates acknowledge bit.
Tx Rx 17h Bus master sends Access Memory command protocol.
Rx Tx ACK DS1624 generates acknowledge bit (Note 1).
DS1624 Digital Thermometer and Memory
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