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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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H838024R датащи(PDF) 62 Page - Renesas Technology Corp |
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H838024R датащи(HTML) 62 Page - Renesas Technology Corp |
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62 / 697 page  Section 1 Overview Rev. 7.00 Mar 10, 2005 page 20 of 652 REJ09B0042-0700 Pin No. Type Symbol FP-80A TFP-80C FP-80B TLP-85V Pad No.* 1 Pad No.* 2 Pad No.* 3 I/O Name and Functions OSC1 10 12 F2 11 12 10 Input Clock pins OSC2 9 11 E3 10 11 9 Output These pins connect to a crystal or ceramic oscillator, or can be used to input an external clock. See section 4, Clock Pulse Generators, for a typical connection diagram. X1 6 8 D3 67 6Input X2 7 9 D2 78 7Output These pins connect to a 32.768-kHz or 38.4-kHz* 5 crystal oscillator. See section 4, Clock Pulse Generators, for a typical connection diagram. System control RES 12 14 F3 13 14 12 Input Reset: When this pin is driven low, the chip is reset TEST 11 13 E2 12 13 11 Input Test pin: This pin is reserved and cannot be used. It should be connected to VSS. Interrupt pins IRQ0 IRQ1 IRQ3 IRQ4 72 76 5 3 74 78 7 5 C5 B3 D1 B2 73 77 5 3 74 78 6 4 72 76 5 3 Input IRQ interrupt request 0, 1, 3, and 4: These are input pins for edge- sensitive external interrupts, with a selection of rising or falling edge IRQAEC 60 62 C10 61 62 60 Input Asynchronous event counter event signal: This is an interrupt input pin for enabling asynchronous event input. On the H8/38124 Group, this must be fixed at VCC or GND because the oscillator is selected by the input level during resets. Refer to section 4, Clock Pulse Generators, for information on the selection method. |
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