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TNETV2501INPGF bảng dữ liệu(PDF) 161 Page - Texas Instruments |
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TNETV2501INPGF bảng dữ liệu(HTML) 161 Page - Texas Instruments |
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161 / 197 page ![]() Electrical Specifications 161 December 2002 − Revised November 2008 SPRS206K R1 R4 R6 R3 R5 R7 RESET EMIF Group†‡ High Group†§ Z Group†¶ R8 Input/Output Group†# R9 Toggle Group†|| † The state of the DSP pins during power up is undefined until RESET is asserted. It is recommended that the RESET pin be kept low during power up. ‡ EMIF group: EMIF.A[21:2], EMIF.ARE/SADS/SDCAS/SRE, EMIF.AOE/SOE/SDRAS, EMIF.AWE/SWE/SDWE, EMIF.ARDY, EMIF.CE0, EMIF.CE1, EMIF.CE2, EMIF.CE3, EMIF.BE0, EMIF.BE1, EMIF.BE2, EMIF.BE3, EMIF.SDCKE, EMIF.SOE3, EMIF.HOLD, EMIF.HOLDA, ECLKOUT1. EMIF.ARDY and EMIF.HOLDA do not go to a high-impedance state during reset since they are input-only signals; they are included here simply for completeness. § High group: IACK, XF, SCL (assumes external pullup on pin), SDA (assumes external pullup on pin), UART.TX, TDO. ¶ Z group: HRDY, HINT, DX1, DX0 # Input/Output group: PGPIO[45:0], HPI.HD[7:0], EMIF.D[31:0], HPI.HAS, HPI.HBIL, HCNTL1, HCNTL0, HCS, HR/W, HDS1, HDS2, NMI/WDTOUT, GPIO[7:0], TIM0, TIM1, CLKR0, CLKX0, FSR0, FSX0, CLKR1, CLKX1, FSR1, FSX1, EMU0, EMU1/OFF. Signals in this group switch to input mode with reset. || Toggle group: ECLKOUT2, CLKOUT. Pins in this group toggle with a default frequency during reset. R2 Figure 5−22. Reset Timings |
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