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THCV231 数据表(PDF) 49 Page - THine Electronics, Inc. |
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THCV231 数据表(HTML) 49 Page - THine Electronics, Inc. |
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49 / 56 page ![]() THCV231_THCV236_Rev.2.30_E Copyright©2016 THine Electronics, Inc. THine Electronics, Inc. 49/56 Security E 2-wire serial I/F Switching Characteristics tLOW tSU;STA tf tHD;STA tr tHD;DAT tSU;DAT tHIGH tf tHD;STA tSP tSU;STO tBUF tr S Sr P S SD0 (SDA) SD1 (SCL) PDN(1) tPDS 1/fSCL S … Start Condition P … Stop Condition Sr … Repeated Start Condition Figure 25. 2-wire serial interface Timing Diagram Write 1 to 0x25 A ... SD1 (SCL) SD0 (SDA) ... Stop Condition Write 1 to 0x25 A ... SD1 (SCL) SD0 (SDA) Write access start to Sub-Link Slave’s register ... Stop Condition Clock Stretching INT Interruption 2WIRE_MODE=00 (Clock Stretching Mode) 2WIRE_MODE=01 (No Clock Stretching Mode) Sub-Link Slave register Access completion Write access start to Sub-Link Slave’s register tWSSR Figure 26. Write access completion time to Sub-Link Slave register Write 1 to 0x26 A ... SD1 (SCL) SD0 (SDA) ... Stop Condition Write 1 to 0x26 A ... SD1 (SCL) SD0 (SDA) Read access start to Sub-Link Slave’s register ... Stop Condition Clock Stretching INT Interruption 2WIRE_MODE=00 (Clock Stretching Mode) 2WIRE_MODE=01 (No Clock Stretching Mode) Sub-Link Slave register Access completion Read access start to Sub-Link Slave’s register tRSSR Figure 27. Read access completion time to Sub-Link Slave register |
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