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PCA9548APW Datasheet(PDF) 17 Page - NXP Semiconductors |
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PCA9548APW Datasheet(HTML) 17 Page - NXP Semiconductors |
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17 / 25 page  9397 750 13297 © Koninklijke Philips Electronics N.V. 2005. All rights reserved. Product data sheet Rev. 01 — 15 April 2005 17 of 25 Philips Semiconductors PCA9548A 8-channel I2C switch with reset Fig 15. Definition of timing on the I2C-bus tSP tBUF tHD;STA P P S tLOW tr tHD;DAT tf tHIGH tSU;DAT tSU;STA Sr tHD;STA tSU;STO SDA SCL 002aaa986 Fig 16. Definition of RESET timing SDA SCL 002aab174 trst 50 % 30 % 50 % 50 % 50 % tREC;STA tw(rst)L RESET LEDx LED off START trst ACK or read cycle Fig 17. I2C-bus timing diagram SCL SDA tHD;STA tSU;DAT tHD;DAT tf tBUF tSU;STA tLOW tHIGH tVD;ACK 002aab175 tSU;STO protocol START condition (S) bit 7 MSB (A7) bit 6 (A6) bit 0 (R/W) acknowledge (A) STOP condition (P) 1/fSCL tr tVD;DAT |
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