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TNETV2501INPGF 데이터시트(PDF) 186 Page - Texas Instruments |
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TNETV2501INPGF 데이터시트(HTML) 186 Page - Texas Instruments |
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186 / 197 page ![]() Electrical Specifications 186 December 2002 − Revised November 2008 SPRS206K 5.16.3 HPI.HAS Interrupt Timings Table 5−47 assumes testing over recommended operating conditions (see Figure 5−45). Table 5−47. HPI.HAS Interrupt Timing Requirements† NO. MIN MAX UNIT H31 tsu(HASL−COH) Setup time, HPI.HAS low‡ before CLKOUT rising edge 5 ns H32 th(COH−HASL) Hold time, HPI.HAS low‡ after CLKOUT rising edge 0 ns H33 tw(HASL) Pulse width, HPI.HAS low‡ P§ ns † In this case, CLKOUT reflects SYSCLK1. The CLKOUT Selection Register (CLKOUTSR) can be programmed to select SYSCLK1 as CLKOUT. ‡ An interrupt can be triggered by setting the HPI.HAS signal high or low, depending on the setting of the HAS bit in the General-Purpose I/O Interrupt Control Register 2 (HPGPIOINT2). Refer to the TMS320VC5501/5502 DSP Host Port Interface (HPI) Reference Guide (literature number SPRU620) for more information on the interrupt capability of the HPI.HAS signal. § P = (Divider1 Ratio)/(CPU Clock Frequency) in ns. For example, when running parts at 300 MHz with the fast peripheral domain at 1/2 the CPU clock frequency, use P = 2/300 MHz = 6.66 ns. CLKOUT HPI.HAS H31 H32 H33 Figure 5−45. HPI.HAS Interrupt Timings |
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