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38K2 Datasheet(PDF) 13 Page - Renesas Technology Corp |
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38K2 Datasheet(HTML) 13 Page - Renesas Technology Corp |
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13 / 151 page  38K2 Group Rev.3.00 Oct 15, 2006 page 13 of 147 REJ03B0193-0300 Fig. 10 Port block diagram (1) (4) Ports P30–P32 (1) Port P0 Data bus Port latch Key-on wake-up input Pull-up control bit (5) Port P33 EXINT output (6) Ports P34, P35, P36, P37 EXCS(P34) EXWR(P35) EXRD(P36) EXA0(P37) (2) Port P1 Analog input pin selection bit A/D conversion input EXOE External bus interface enable bit Output buffer Input buffer (3) Port P2 Direction register EXB data output EXB data input VCCE VCCE VCCE VCCE Data bus Port latch Direction register Data bus Port latch Direction register Data bus Port latch Direction register External bus interface enable bit Port latch Data bus Direction register External bus interface enable bit External bus interface enable bit Data bus Port latch Direction register |
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