Rainbow Electronics DS1720 - Manual (Page 8)

DS1720
030598 8/12
FUNCTION EXAMPLE
Example: CPU sets up DS1720 for continuous conversion and thermostatic function.
CPU MODE
DS1720 MODE
(3–WIRE) DATA (LSB FIRST) COMMENTS
TX RX 0Ch CPU issues Write Config command
TX RX 00h CPU sets DS1720 up for continuous conversion
TX RX Toggle RST CPU issues Reset to DS1720
TX RX 01h CPU issues Write TH command
TX RX 0050h CPU sends data for TH limit of +40 ° C
TX RX Toggle RST CPU issues Reset to DS1720
TX RX 02h CPU issues Write TL command
TX RX 0014h CPU sends data for TL limit of +10 ° C
TX RX Toggle RST CPU issues Reset to DS1720
TX RX A1h CPU issues Read TH command
RX TX 0050h DS1720 sends back stored value of TH for CPU
to verify
TX RX Toggle RST CPU issues Reset to DS1720
TX RX A2h CPU issues Read TL command
RX TX 0014h DS1720 sends back stored value of TL for CPU
to verify
TX RX Toggle RST CPU issues Reset to DS1720
TX RX EEh CPU issues Start Convert T command
TX RX Toggle RST CPU issues Reset to DS1720