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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) 931 Page - Freescale Semiconductor, Inc |
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SC312XDP512F0MPVR датащи(HTML) 931 Page - Freescale Semiconductor, Inc |
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931 / 1348 page  This register configures the drive strength of each port T output pin as either full or reduced. If the port is used as input this bit is ignored. 23.0.5.21 Port T Pull Device Enable Register (PERT) Read: Anytime. Write: Anytime. This register configures whether a pull-up or a pull-down device is activated, if the port is used as input. This bit has no effect if the port is used as output. Out of reset no pull device is enabled. 23.0.5.22 Port T Polarity Select Register (PPST) Read: Anytime. Write: Anytime. This register selects whether a pull-down or a pull-up device is connected to the pin. Table 23-24. RDRT Field Descriptions Field Description 7–0 RDRT[7:0] Reduced Drive Port T 0 Full drive strength at output. 1 Associated pin drives at about 1/6 of the full drive strength. 76543210 R PERT7 PERT6 PERT5 PERT4 PERT3 PERT2 PERT1 PERT0 W Reset 00000000 Figure 23-23. Port T Pull Device Enable Register (PERT) Table 23-25. PERT Field Descriptions Field Description 7–0 PERT[7:0] Pull Device Enable Port T 0 Pull-up or pull-down device is disabled. 1 Either a pull-up or pull-down device is enabled. 76543210 R PPST7 PPST6 PPST5 PPST4 PPST3 PPST2 PPST1 PPST0 W Reset 00000000 Figure 23-24. Port T Polarity Select Register (PPST) |
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