DS1624(2015) 데이터 시트보기 (PDF) - Maxim Integrated
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DS1624 Datasheet PDF : 14 Pages
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DS1624
Digital Thermometer and Memory
Memory Function Example
BUS MASTER
DS1624
DATA
MODE
MODE
(MSB FIRST)
{Command protocol for configuration register}
{Start here}
Tx
Rx
START
Tx
Rx
<cadr,0>
Rx
Tx
ACK
Tx
Rx
ACh
Rx
Tx
ACK
Tx
Rx
00h
Rx
Tx
ACK
Tx
Rx
STOP
{Command protocol for Start Convert T}
{Start here}
Tx
Rx
START
Tx
Rx
<cadr,0>
Rx
Tx
ACK
Tx
Rx
EEh
Rx
Tx
ACK
Tx
Rx
STOP
{Command protocol for reading the Temperature}
{Start here}
Tx
Rx
START
Tx
Rx
<cadr,0>
Rx
Tx
ACK
Tx
Rx
AAh
Rx
Tx
ACK
Tx
Rx
START
Tx
Rx
<cadr,1>
Rx
Tx
ACK
Rx
Tx
<data>
Tx
Rx
ACK
Rx
Tx
<data>
Tx
Rx
NACK
Tx
Rx
STOP
{Command protocol for writing to EEPROM}
{Start here}
Tx
Rx
START
Tx
Rx
<cadr,0>
Rx
Tx
ACK
Tx
Rx
17h
Rx
Tx
ACK
COMMENTS
Bus master initiates a START condition.
Bus master sends DS1624 address; R/W = 0.
DS1624 generates acknowledge bit.
Bus master sends Access Config command protocol.
DS1624 generates acknowledge bit (Note 1).
Bus master sets up DS1624 for continuous conversion.
DS1624 generates acknowledge bit (Notes 2, 4).
Bus master initiates the STOP condition.
Bus master initiates a START condition.
Bus master sends DS1624 address; R/W = 0.
DS1624 generates acknowledge bit.
Bus master sends Start Convert T command protocol.
DS1624 generates acknowledge bit (Note 1).
Bus master initiates the STOP condition.
Bus master initiates a START condition.
Bus master sends DS1624 address; R/W = 0.
DS1624 generates acknowledge bit.
Bus master sends Read Temp command protocol.
DS1624 generates acknowledge bit (Note 1).
Bus master initiates a repeated START condition.
Bus Master sends DS1624 address; R/W = 1.
DS1624 generates acknowledge bit.
DS1624 sends the MSB byte of Temperature.
Bus master generates acknowledge bit.
DS1624 sends the LSB byte of Temperature.
Bus master sends not-acknowledge bit.
Bus master initiates the STOP condition.
Bus master initiates a START condition.
Bus master sends DS1624 address; R/W = 0.
DS1624 generates acknowledge bit.
Bus master sends Access Memory command protocol.
DS1624 generates acknowledge bit (Note 1).
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