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7480 Datasheet(PDF) 46 Page - Renesas Technology Corp |
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7480 Datasheet(HTML) 46 Page - Renesas Technology Corp |
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46 / 337 page  7480 Group and 7481 Group User's Manual 1-29 HARDWARE 1.10 Input/Output Pins Figure 1.10.3 Block Diagrams of Port Pins P2i to P5i Port pins P2i (i = 0 to 7 for 7481 Group, i = 0 to 3 for 7480 Group) q Port P2 Port pins P40 and P41 q Ports P40 and P41 ‘001’ ‘100’ ‘101’ ‘110’ Timer X, Y operating mode bits Timer output Data bus Port pins P42, P43, and P5i (i=0 to 3) Direction register q Ports P42, P43, and P5 A-D conversion circuit Multi- plexer Port pins P3i (i = 0 to 3) q Port P3 INT0, INT1 CNTR0, CNTR1 input Port P4P5 input control register • For the 7480 Group, set this register to ‘0016’. • For the 7481 Group, set the bit corresponding to the port set to the input mode to ‘1’. Data bus Data bus Data bus Direction register Port latch Port latch |
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