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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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TMS570LS3135 датащи(PDF) 33 Page - Texas Instruments |
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TMS570LS3135 датащи(HTML) 33 Page - Texas Instruments |
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33 / 170 page  TMS570LS3135, TMS570LS2135, TMS570LS2125 www.ti.com SPNS164C – APRIL 2012 – REVISED APRIL 2015 4.3.2.15 System Module Interface Table 4-32. 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. 4.3.2.16 Clock Inputs and Outputs Table 4-33. 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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