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DS1721 bảng dữ liệu(PDF) 12 Page - Dallas Semiconductor

tên linh kiện DS1721
Giải thích chi tiết về linh kiện  2-Wire Digital Thermometer and Thermostat
PDF  16 Pages
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nhà sản xuất  DALLAS [Dallas Semiconductor]
Trang chủ  https://www.maximintegrated.com/en.html
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DS1721 bảng dữ liệu(HTML) 12 Page - Dallas Semiconductor

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SAMPLE COMMAND SEQUENCE Table 5
Example: After power-up, initiates a temperature conversion, bus master reads temperature
BUS MASTER
MODE
DS1721
MODE
DATA (MSB
FIRST)
COMMENTS
TX
RX
START
Bus Master initiates a START condition
TX
RX
<address, 0>
Bus Master sends DS1721 address; R/ W = 0
RX
TX
ACK
DS1721 generates acknowledge bit
TX
RX
51h
Bus Master sends start convert T protocol
RX
TX
ACK
DS1721 generates acknowledge bit
TX
RX
START
Bus Master initiates a repeated START condition
TX
RX
<address, 0>
Bus Master sends DS1721 address; R/ W = 0
RX
TX
ACK
DS1721 generates acknowledge bit
TX
RX
AAh
Bus Master sends read temperature protocol
RX
TX
ACK
DS1721 generates acknowledge bit
TX
RX
START
Bus Master initiates a repeated START condition
TX
RX
<address, 1>
Bus Master sends DS1721 address; R/ W =1
RX
TX
ACK
DS1721 generates acknowledge bit
RX
TX
<1 data byte>
DS1721 transmits MSB of temperature
TX
RX
ACK
Bus Master generates acknowledge bit
RX
TX
<1 data byte>
DS1721 transmits LSB of temperature



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