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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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TMS570LS3134 датащи(PDF) 33 Page - Texas Instruments |
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TMS570LS3134 датащи(HTML) 33 Page - Texas Instruments |
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33 / 167 page  TMS570LS3134, TMS570LS2134, TMS570LS2124 www.ti.com SPNS165B – APRIL 2012 – REVISED MAY 2015 4.2.2.14 System Module Interface Table 4-30. ZWT System Module Interface TERMINAL RESET SIGNAL PULL PULL TYPE DESCRIPTION 337 TYPE SIGNAL NAME STATE ZWT Power-on reset, cold reset External power supply monitor circuitry must drive nPORRST Fixed 100-µA low when any of the supplies nPORRST W7 Input Pulldown Pulldown to the microcontroller fall out of the specified range. This terminal has a glitch filter. See Section 6.8. System reset, warm reset, bidirectional. The internal circuitry indicates any reset condition by driving nRST low. The external circuitry can assert a system reset by Fixed 100-µA nRST B17 I/O Pullup driving nRST low. To ensure Pullup that an external reset is not arbitrarily generated, TI recommends that an external pullup resistor is connected to this terminal. This terminal has a glitch filter. See Section 6.8. ESM Error Signal Fixed 20-µA nERROR B14 I/O Pulldown Indicates error of high Pulldown severity. See Section 6.18. 4.2.2.15 Clock Inputs and Outputs Table 4-31. ZWT Clock Inputs and Outputs TERMINAL RESET SIGNAL PULL PULL TYPE DESCRIPTION 337 TYPE SIGNAL NAME STATE ZWT From external OSCIN K1 Input crystal/resonator, or external clock input N/A None KELVIN_GND L2 Input Kelvin ground for oscillator OSCOUT L1 Output To external crystal/resonator Programmable, External prescaled clock ECLK A12 I/O Pulldown 20 µA output, or GIO. GIOA[5]/EXTCLKIN/N2HET1_PIN_nDIS B5 Input External clock input #1 Fixed 20-µA Pulldown Pulldown ETMTRACECLKIN/EXTCLKIN2 R9 Input External clock input #2 1.2-V Dedicated core supply for VCCPLL P11 N/A None Power PLLs Copyright © 2012–2015, Texas Instruments Incorporated Terminal Configuration and Functions 33 Submit Documentation Feedback |
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