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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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SC312XDP512F0MPVR датащи(PDF) 58 Page - Freescale Semiconductor, Inc |
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SC312XDP512F0MPVR датащи(HTML) 58 Page - Freescale Semiconductor, Inc |
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58 / 1350 page  Chapter 1 Device Overview MC9S12XD-Family MC9S12XDP512 Data Sheet, Rev. 2.17 58 Freescale Semiconductor The XCLKS signal selects the oscillator configuration during reset low phase while a clock quality check is ongoing. This is the case for: • Power on reset or low-voltage reset • Clock monitor reset • Any reset while in self-clock mode or full stop mode The selected oscillator configuration is frozen with the rising edge of reset. The pin can be configured to drive the internal system clock ECLKX2. Figure 1-11. Loop Controlled Pierce Oscillator Connections (PE7 = 1) Figure 1-12. Full Swing Pierce Oscillator Connections (PE7 = 0) Figure 1-13. External Clock Connections (PE7 = 0) 1.2.3.17 PE6 / MODB / TAGHI — Port E I/O Pin 6 PE6 is a general-purpose input or output pin. It is used as a MCU operating mode select pin during reset. The state of this pin is latched to the MODB bit at the rising edge of RESET. This pin is an input with a MCU EXTAL XTAL VSSPLL Crystal or Ceramic Resonator C2 C1 MCU EXTAL XTAL RS RB VSSPLL Crystal or Ceramic Resonator C2 C1 MCU EXTAL XTAL CMOS-Compatible External Oscillator Not Connected |
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