Rainbow Electronics DS1620 - Manual (Page 9)

DS1620
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FUNCTION EXAMPLE
Example: CPU sets up DS1620 for continuous conversion and thermostatic function.
CPU MODE
DS1620 MODE
(3-WIRE) DATA (LSB FIRST) COMMENTS
TX RX 0Ch CPU issues Write Config command
TX RX 00h CPU sets DS1620 up for continuous
conversion
TX RX
Toggle RST
CPU issues Reset to DS1620
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 DS1620
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 DS1620
TX RX A1h CPU issues Read TH command
RX TX 0050h DS1620 sends back stored value of TH for
CPU to verify
TX RX
Toggle RST
CPU issues Reset to DS1620
TX RX A2h CPU issues Read TL command
RX TX 0014h DS1620 sends back stored value of TL for
CPU to verify
TX RX
Toggle RST
CPU issues Reset to DS1620
TX RX EEh CPU issues Start Convert T command
TX RX
Drop RST
CPU issues Reset to DS1620
READ DATA TRANSFER Figure 4