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SX8650EVKA датащи(PDF) 9 Page - Semtech Corporation |
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SX8650EVKA датащи(HTML) 9 Page - Semtech Corporation |
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9 / 39 page ![]() SX8650 www.semtech.com Page 9 ADVANCED COMMUNICATIONS & SENSING DATASHEET World’s Lowest Power & Smallest Footprint 4-wire Resistive Touchscreen Controller with 15kV ESD Revision V2.19/October 2010 ©2010 Semtech Corp. 2.4. Host Interface Specifications Table 3 Host Interface Specifications Notes: (i) All timing specifications refer to voltage levels (VIL, VIH, VOL) defined in Table 3 unless otherwise mentioned. Parameter Symbol Condition Min Typ Max Unit I2C TIMING SPECIFICATIONS (i) SCL clock frequency fSCL 0 400 kHz SCL low period tLOW 1.3 us SCL high period tHIGH 0.6 us Data setup time tSU;DAT 100 ns Data hold time tHD;DAT 0 ns Repeated start setup time tSU;STA 0.6 us Start condition hold time tHD;STA 0.6 us Stop condition setup time tSU;STO 0.6 us Bus free time between stop and start tBUF 1.3 us Data valid time tVD;DAT 0.9 us Data valid ack time tVD;ACK 0.9 us Pulse width of spikes that must be suppressed by the input filter tSP 50 ns I2C BUS SPECIFICATIONS Capacitive Load on each bus line SCL, SDA Cb 400 pF |
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