85μPD170629.22 P1BBIOn (35H)P1BBIOn specifies the PORT1B I/O. When P1BBIOn is set to 0, PORT1B becomes an input port. WhenP1BBIOn is set to 1, PORT1B becomes an output port.9.23 P0BBIOn (36H)P0BBIOn specifies the PORT0B I/O. When P0BBIOn is set to 0, PORT0B becomes an input port. WhenP0BBIOn is set to 1, PORT0B becomes an output port.b3 b2 b 1 b 0P0BBIO3 P0BBIO2 P0BBIO036H01P0BBIO1P0B 0 I/O setting01P0B 1 I/O setting01P0B 2 I/O setting01P0B 3 I/O settingP0B 0 input portP0B 0 output portP0B 1 input portP0B 1 output portP0B 2 input portP0B 2 output portP0B 3 input portP0B 3 output portb3 b2 b1 b0P1BBIO3 P1BBIO2 P1BBIO035H01P1BBIO1P1B 0 I/O setting01P1B 1 I/O setting01P1B 2 I/O setting01P1B 3 I/O settingP1B 0 input portP1B 0 output portP1B 1 input portP1B 1 output portP1B 2 input portP1B 2 output portP1B 3 input portP1B 3 output port
