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7534 Datasheet(PDF) 15 Page - Renesas Technology Corp |
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7534 Datasheet(HTML) 15 Page - Renesas Technology Corp |
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15 / 55 page ![]() 7534 Group Rev.2.00 Jun 21, 2004 page 15 of 54 REJ03B0099-0200Z Fig. 15 Block diagram of ports (2) (9) Ports P36, P37 Data bus Port latch Pull-up control INT interrupt input * (7) Ports P20–P27 Analog input pin selection bit A/D converter input Data bus Port latch (8) Ports P30–P35 Data bus Port latch Pull-up control (6) Ports P14 CNTR0 interrupt input Direction register Data bus Port latch Pulse output mode Timer output P37/INT0 input level selection bit (10) Ports P15, P16, P40, P41 Data bus Port latch Direction register Direction register Direction register Direction register : P10, P12, P13, P36, P37 input levels are switched to the CMOS/TTL level by the port P1P3 control register. When the TTL level is selected, there is no hysteresis characteristics. * |
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