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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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TDA7705 데이터시트(PDF) 21 Page - STMicroelectronics |
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TDA7705 데이터시트(HTML) 21 Page - STMicroelectronics |
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21 / 42 page  TDA7705 Electrical specifications Doc ID 15938 Rev 9 21/42 3.4.9 I2C interface The following parameters apply to the serial bus communication when I2C protocol has been selected at start-up. For the other electrical characteristics of the pins, Section 3.4.8 applies. The parameters of the following table are defined as in Figure 8. Figure 8. I2C bus timing diagram Table 15. I2C interface Symbol Parameter Min Max Units fSCL SCL Clock frequency - 500 kHz tAA SCL low to SDA data valid 0.3 - µs tbuf time the bus must be kept free before a new transmisison 1.3 - µs tHD-STA START condition hold time 0.6 - µs tLOW Clock low period 1.3 - µs tHIGH Clock high period 0.6 - µs tSU-SDA START condition setup time 0.1 - µs tHD-DAT Data input hold time 0 0.9 µs tSU-DAT Data input setup time 0.1 - µs tR SDA & SCL rise time - 0.3 µs tF SDA & SCL fall time - 0.3 µs tSU-STOP Stop condition setup time 0.6 - µs tDH Data out time - 0.3 µs D95AU378A tHIGH tR tLOW tF SCL SDA IN SDA OUT tSU-STA tHD-SDA tHD-DAT tSU-DAT tSU-STOP tbuf tAA tDH |
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