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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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M16C/1N датащи(PDF) 175 Page - Renesas Technology Corp |
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M16C/1N датащи(HTML) 175 Page - Renesas Technology Corp |
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175 / 238 page  Rev.1.00 Oct 20, 2004 page 163 of 222 M16C/1N Group 17. Programmable I/O Ports REJ09B0007-0100Z Pin name Connection Ports P0 to P5 (Note 1) XOUT (Note 2) VREF After setting for input mode, connect every pin to VSS (pull-down); or after setting for output mode, leave these pins open. Open XIN (Note 3) Connect to VCC (pull-up) via a resistor Connect to VSS Note 1: Connect unused pins as described above. If connected otherwise, power supply current may increase due to flow-through current on Schmitt circuit in the port. Note 2: With external clock input to XIN pin. Note 3: When the main clock oscillation circuit isn’t used, connect XIN pin to VCC (pull-up), leave XOUT pin open and set the main clock stop bit (bit 5 at address 000616) to "1" (STOP). Table 17.1 Example connection of unused pins 17.2 Example connection of unused pins Table 17.1 shows example connection of unused pins. |
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