Rainbow Electronics DS1624 - Manual (Page 10)

DS1624
10 of 16
During the programming cycle the DS1624 will not acknowledge any further accesses to the device until
the programming cycle is complete (approximately 10 ms).
MEMORY FUNCTION EXAMPLE
BUS MASTER
MODE
DS1624
MODE
DATA (MSB
FIRST)
COMMENTS NOTES
{Command protocol for configuration register}
{Start here}
TX RX START Bus Master Initiates a Start condition.
TX RX Bus Master sends DS1624 address;
R/ W =”0”;
RX TX ACK DS1624 generates acknowledge bit.
TX RX ACh Bus Master sends Access Config
command protocol.
RX TX ACK DS1624 generates acknowledge bit. 1
TX RX 00h Bus Master sets up DS1624 for continuous
conversion.
RX TX ACK DS1624 generates acknowledge bit. 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 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. 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 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. 1
TX RX START Bus Master initiates a Repeated Start
condition.
TX RX Bus Master sends DS1624 address;
R/ W =1;
RX TX ACK DS1624 generates acknowledge bit.
RX TX DS1624 sends the MSB byte of
Temperature.
TX RX ACK Bus Master generates acknowledge bit.
RX TX DS1624 sends the LSB byte of
Temperature.