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TMS320C6472ECTZ Datasheet(PDF) 182 Page - Texas Instruments |
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TMS320C6472ECTZ Datasheet(HTML) 182 Page - Texas Instruments |
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182 / 269 page ![]() 25 23 19 18 22 27 20 21 17 18 28 Stop Start Repeated Start Stop SDA SCL 16 26 24 TMS320C6472 SPRS612G – JUNE 2009 – REVISED JULY 2011 www.ti.com Table 7-52. Switching Characteristics Over Recommended Operating Conditions for I2C Output (see Figure 7-40) 500/625/700 NO. PARAMETER STANDARD MODE FAST MODE UNIT MIN MAX MIN MAX 16 tc(SCL) Cycle time, SCL 10 2.5 μs Delay time, SCL high to SDA low (for a 17 td(SCLH-SDAL) 4.7 0.6 μs repeated START condition) Delay time, SDA low to SCL low (for a START 18 td(SDAL-SCLL) 4 0.6 μs and a repeated START condition) 19 tw(SCLL) Pulse duration, SCL low 4.7 1.3 μs 20 tw(SCLH) Pulse duration, SCL high 4 0.6 μs 21 td(SDAV-SDLH) Delay time, SDA valid to SCL high 250 100 ns Valid time, SDA valid after SCL low (For I2C 22 tv(SDLL-SDAV) 0 0 0.9 μs bus ™ devices) Pulse duration, SDA high between STOP and 23 tw(SDAH) 4.7 1.3 μs START conditions 24 tr(SDA) Rise time, SDA 1000 20 + 0.1Cb (1) 300 ns 25 tr(SCL) Rise time, SCL 1000 20 + 0.1Cb (1) 300 ns 26 tf(SDA) Fall time, SDA 300 20 + 0.1Cb (1) 300 ns 27 tf(SCL) Fall time, SCL 300 20 + 0.1Cb (1) 300 ns Delay time, SCL high to SDA high (for STOP 28 td(SCLH-SDAH) 4 0.6 μs condition) 29 Cb (1) Capacitance for each I2C pin 10 10 pF (1) Cb = total capacitance of one bus line in pF. If mixed with HS-mode devices, faster fall-times are allowed. Figure 7-40. I2C Output Timing 182 C64x+ Peripheral Information and Electrical Specifications Copyright © 2009–2011, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Link(s) :TMS320C6472 |
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