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ENICSF2811PBKA 数据表(PDF) 102 Page - Texas Instruments |
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ENICSF2811PBKA 数据表(HTML) 102 Page - Texas Instruments |
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102 / 172 page ![]() TMS320F2810, TMS320F2811, TMS320F2812 TMS320C2810, TMS320C2811, TMS320C2812 SPRS174T – APRIL 2001 – REVISED MAY 2012 www.ti.com 6.13 Device Clock Table This section provides the timing requirements and switching characteristics for the various clock options available on the F281x and C281x DSPs. Table 6-5 lists the cycle times of various clocks. Table 6-5. TMS320F281x and TMS320C281x Clock Table and Nomenclature MIN NOM MAX UNIT tc(OSC), Cycle time 28.6 50 ns On chip oscillator clock Frequency 20 35 MHz tc(CI), Cycle time 6.67 250 ns XCLKIN Frequency 4 150 MHz tc(SCO), Cycle time 6.67 500 ns SYSCLKOUT Frequency 2 150 MHz tc(XCO), Cycle time 6.67 2000 ns XCLKOUT Frequency 0.5 150 MHz tc(HCO), Cycle time 6.67 13.3(1) ns HSPCLK Frequency 75(1) 150 MHz tc(LCO), Cycle time 13.3 26.6(1) ns LSPCLK Frequency 37.5(1) 75 MHz tc(ADCCLK), Cycle time (2) 40 ns ADC clock Frequency 25 MHz tc(SPC), Cycle time 50 ns SPI clock Frequency 20 MHz tc(CKG), Cycle time 50 ns McBSP Frequency 20 MHz tc(XTIM), Cycle time 6.67 ns XTIMCLK Frequency 150 MHz (1) This is the default reset value if SYSCLKOUT = 150 MHz. (2) The maximum value for ADCCLK frequency is 25 MHz. For SYSCLKOUT values of 25 MHz or lower, ADCCLK has to be SYSCLKOUT/2 or lower. ADCCLK = SYSCLKOUT is not a valid mode for any value of SYSCLKOUT. 102 Electrical Specifications Copyright © 2001–2012, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Link(s): TMS320F2810 TMS320F2811 TMS320F2812 TMS320C2810 TMS320C2811 TMS320C2812 |
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