MC95FR464_DS_REV2.0_20120104.pdf - ABOV Semiconductor

MC95FR332/432/364/4649.2.10 PORT 2P2 (P2 Data Register)90 H7 6 5 4 3 2 1 0- - - - - P22 P21 P20- - - - - R/W R/W R/WInitial value : 00 HP2[2:0]I/O DataP2IO (P2 Direction Register)B0 H7 6 5 4 3 2 1 0- - - - - P22IO P21IO P20IO- - - - - R/W R/W R/WInitial value : 00 HP2IO[2:0]P2 Direction NOTE0 Input1 OutputP2PU (P2 Pull-up Resistor Selection Register)99 H7 6 5 4 3 2 1 0- - - - - P22PU P21PU P20PU- - - - - R/W R/W R/WInitial value : 00 HP2PU[2:0]P2 Pull-up Control NOTE0 Disable pull-up1 Enable pull-upNOTE P20 is used as an external reset source when RSTDIS bit in FUSE_CONF register is cleared. In this case,the direction of P20 is input only and the internal pull-up resistor is always activated regardless of the P20IO orP20PU bits.P2OD (P2 Open-drain Selection Register)B9 H7 6 5 4 3 2 1 0- - - - - P22OD P21OD P20OD- - - - - R/W R/W R/WInitial value : 00 HP2OD[2:0]Controls P2 port type when configured as output port.0 Push-pull type output drive1 Open-drain type output driveP2BPC (P2 Pull-up Control Register)D8 H7 6 5 4 3 2 1 0- - - - - P22BPC P21BPC P20BPC- - - - - R/W R/W R/WInitial value : 07 H44 January, 2012 Rev.2.0