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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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SH7713 датащи(PDF) 59 Page - Renesas Technology Corp |
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SH7713 датащи(HTML) 59 Page - Renesas Technology Corp |
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59 / 904 page  Section 1 Overview and Pin Function Rev.1.50 Aug. 30, 2006 Page 19 of 860 REJ09B0288-0150 1.3.2 Pin Functions Table 1.2 lists the pin functions. Table 1.2 Pin Functions Classification Symbol I/O Name Function Vcc Power supply Power supply for the internal LSI and ports for the system. Connect all Vcc pins to the system power supply. There will be no operation if any pins are open. Vss Ground Ground pin. Connect all Vss pins to the system power supply (0 V). There will be no operation if any pins are open. VccQ Power supply Power supply for I/O pins. Connect all VccQ pins to the system power supply. There will be no operation if any pins are open. Power supply VssQ Ground Ground pin. Connect all VssQ pins to the system power supply (0 V). There will be no operation if any pins are open. Clock Vcc-PLL1 I PLL1 power supply Power supply for the on-chip PLL1 oscillator. Vss-PLL1 I PLL1 ground Ground pin for the on-chip PLL1 oscillator. Vcc-PLL2 I PLL2 power supply Power supply for the on-chip PLL2 oscillator. Vss-PLL2 I PLL2 ground Ground pin for the on-chip PLL2 oscillator. EXTAL I External clock For connection to a crystal resonator. This pin can be also used for external clock input. For examples of crystal resonator connection and external clock input, see section 11, On-Chip Oscillation Circuits. |
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