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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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DSP56F802 датащи(PDF) 10 Page - Freescale Semiconductor, Inc |
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DSP56F802 датащи(HTML) 10 Page - Freescale Semiconductor, Inc |
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10 / 40 page  56F802 Technical Data, Rev. 9 10 Freescale Semiconductor 2.2 Power and Ground Signals Table 2-2 Power Inputs No. of Pins Signal Name Signal Description 2 VDD Power—These pins provide power to the internal structures of the chip, and should all be attached to VDD. 1 VDDA Analog Power—This pin is a dedicated power pin for the analog portion of the chip and should be connected to a low noise 3.3V supply. Table 2-3 Grounds No. of Pins Signal Name Signal Description 2 VSS GND—These pins provide grounding for the internal structures of the chip, and should all be attached to VSS. 1 VSSA Analog Ground—This pin supplies an analog ground. 1 TCS TCS—This Schmitt pin is reserved for factory use and must be tied to VSS for normal use. In block diagrams, this pin is considered an additional VSS. Table 2-4 Supply Capacitors and VPP No. of Pins Signal Name Signal Type State During Reset Signal Description 2 VCAPC Supply Supply VCAPC—Connect each pin to a 2.2 μF or greater bypass capacitor in order to bypass the core logic voltage regulator (required for proper chip operation). For more information, refer to Section 5.2 |
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