DS1624S 데이터 시트보기 (PDF) - Maxim Integrated
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DS1624S Datasheet PDF : 20 Pages
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BUS MASTER
MODE
RX
TX
.
.
.
.
RX
TX
TX
DS1624
MODE
TX
RX
.
.
.
.
TX
RX
RX
DATA (MSB
FIRST)
<data>
ACK
.
.
.
.
<data>
NACK
STOP
COMMENTS
DS1624 sends the second byte of data.
Bus Master generates acknowledge bit.
.
.
.
.
DS1624 sends the n-th byte of data.
Bus Master send “NO KWOWLEDGE”
bit.
Bus Master initiates the STOP condition.
DS1624
NOTES
5
NOTES:
1. If this protocol follows a write and the DS1624 does not acknowledge here, restart the protocol at the
Start here. If it does acknowledge, continue on.
2. Wait for write to complete (10 ms typ. 50 ms max). If DS1624 does not acknowledge the command
protocol immediately following a configure register or write mem protocol, the DS1624 has not
finished writing. Restart the new command protocol until the DS1624 acknowledges.
3. If n is greater than eight, the last eight bytes are the only bytes saved in memory. If the starting
address is 00 and the incoming data is 00 11 22 33 44 55 66 77 88 99, the result will be mem00=88
mem01=99 mem02=22 mem03=33 mem04=44 mem05=55 mem06=66 mem07=77. The data wraps
around and overwrites itself.
4. The STOP condition causes the DS1624 to initiate the write to EEPROM sequence. If a START
condition comes instead of the STOP condition, the write is aborted. The data is not saved.
5. For reading, the address is incremented. If the starting address is 04h and 30 bytes of data are read
out, 21h is the final address read.
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