M16C User Manual.pdf

Programmable I/O PortMitsubishi microcomputersM16C / 62 GroupSINGLE-CHIP 16-BIT CMOS MICROCOMPUTERb7 b6 b5 b4 b3 b2 b1 b0Symbol Address When resetPi (i = 0 to 10, except 8) 03E016, 03E116, 03E416, 03E516, 03E816 Indeterminate03E916, 03EC16, 03ED16, 03F116, 03F416 IndeterminateBit symbolPi_0Pi_1Pi_2Pi_3Pi_4Pi_5Pi_6Bit namePort Pi0 registerPort Pi1 registerPort Pi2 registerPort Pi3 registerPort Pi4 registerPort Pi5 registerPort Pi6 registerFunctionData is input and output to and fromeach pin by reading and writing toand from each corresponding bit0 : “L” level data1 : “H” level data (Note)(i = 0 to 10 except 8)Pi_7 Port Pi7 registerNote : Since P70 and P71 are N-channel open drain ports, the data is high-impedance.R Wb7 b6 b5 b4 b3 b2 b1 b0Symbol Address When resetP8 03F016 IndeterminateBit symbolP8_0P8_1P8_2P8_3P8_4P8_5P8_6P8_7Bit namePort P80 registerPort P81 registerPort P82 registerPort P83 registerPort P84 registerPort P85 registerPort P86 registerPort P87 registerFunctionData is input and output to and fromeach pin by reading and writing toand from each corresponding bit(except for P85)0 : “L” level data1 : “H” level dataR WFigure 1.23.7. Port register173