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PCM3060 Scheda tecnica(PDF) 28 Page - Texas Instruments |
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PCM3060 Scheda tecnica(HTML) 28 Page - Texas Instruments |
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28 / 48 page ![]() www.ti.com Timing Diagram SDA SCL t (BUF) t (D-SU) t (D-HD) Start t (LOW) t (S-HD) t (SCL-F) t (SCL-R) t (HI) RepeatedStart t (S-SU) t (S-HD) t (SDA-F) t (SDA-R) t (P-SU) Stop t (GW) T0050-04 PCM3060 SLAS533B – MARCH 2007 – REVISED MARCH 2008 The detailed timing diagram for SCL and SDA is shown as follows. Timing Characteristics STANDARD MODE FAST MODE SYMBOL PARAMETER UNIT MIN MAX MIN MAX f(SCL) SCL clock frequency 100 400 kHz t(BUF) Bus free time between STOP and START conditions 4.7 1.3 µs t(LOW) Low period of the SCL clock 4.7 1.3 µs t(HI) High period of the SCL clock 4 0.6 µs t(S-SU) Setup time for START/repeated START condition 4.7 0.6 µs t(S-HD) Hold time for START/repeated START condition 4 0.6 µs t(D-SU) Data setup time 250 100 ns t(D-HD) Data hold time 0 3450 0 900 ns t(SCL-R) Rise time of SCL signal 1000 20 + 0.1 CB 300 ns t(SCL-F) Fall time of SCL signal 1000 20 + 0.1 CB 300 ns t(SDA-R) Rise time of SDA signal 1000 20 + 0.1 CB 300 ns t(SDA-F) Fall time of SDA signal 1000 20 + 0.1 CB 300 ns t(P-SU) Setup time for STOP condition 4 0.6 µs t(GW) Allowable glitch width N/A 50 ns CB Capacitive load for SDA and SCL lines 400 100 pF Noise margin at high level for each connected device (including hysteresis) 0.2 VDD 0.2 VDD V Noise margin at low level for each connected device (including hysteresis) 0.1 VDD 0.1 VDD V Hysteresis of Schmitt-trigger input N/A 0.05 VDD V Figure 32. Control Interface Timing for I2C 28 Submit Documentation Feedback Copyright © 2007–2008, Texas Instruments Incorporated Product Folder Link(s): PCM3060 |
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