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BU16025MUV 数据表(PDF) 11 Page - Rohm |
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BU16025MUV 数据表(HTML) 11 Page - Rohm |
11 / 17 page Technical Note 11/16 BU16025MUV www.rohm.com 2011.01 - Rev.A © 2011 ROHM Co., Ltd. All rights reserved. I 2C Slave Read access to register block step 1 0 I 2C Start(Master) S S : Start Condition step 2 7 6 5 4 3 2 1 0 I 2C Device Address Write(Master) 1 0 0 0 0 0 0 0 Write step 3 9 I 2C Acknowledge(Slave) A A : Acknowledge step 4 7 6 5 4 3 2 1 0 I 2C Logic Address(Master) 0 0 0 0 0 0 0 0 step 5 9 I 2C Acknowledge(Slave) A step 6 0 I 2C Stop(Master) P P : Stop Condition step 7 0 I 2C Start(Master) S step 8 7 6 5 4 3 2 1 0 I 2C General Address Read(Master) 1 0 0 0 0 0 0 1 Read step 9 9 I 2C Acknowledge(Slave) A step 10 7 6 5 4 3 2 1 0 I 2C Read Data(Slave) Data Data Data Data Data Data Data Data step 11 9 I 2C Not-Acknowledge(Master) X X : A (Acknowledge) or ~A (Not-Acknowledge) When X =A, Address pointer is incremented and repeat step10. When X =~ A, I 2C slave reg stops and moves to step12. step 12 0 I 2C Stop(Master) P |
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