MC95FR464_DS_REV2.0_20120104.pdf - ABOV Semiconductor

MC95FR332/432/364/464P0[7:0]I/O DataP0IO (P0 Direction Register)98 H7 6 5 4 3 2 1 0P07IO P06IO P05IO P04IO P03IO P02IO P01IO P00IOR/W R/W R/W R/W R/W R/W R/W R/WInitial value : 00 HP0IO[7:0]P0 Direction0 Input1 OutputP0PU (P0 Pull-up Resistor Selection Register)89 H7 6 5 4 3 2 1 0P07PU P06PU P05PU P04PU P03PU P02PU P01PU P00PUR/W R/W R/W R/W R/W R/W R/W R/WInitial value : 00 HP0PU[7:0]P0 Pull-up Control0 Disable pull-up1 Enable pull-upP0BPC (P0 Pull-up Control Register)C0 H7 6 5 4 3 2 1 0P07BPC P06BPC P05BPC P04BPC P03BPC P02BPC P01BPC P00BPCR/W R/W R/W R/W R/W R/W R/W R/WInitial value : FF HP0BPC[7:0]Controls port direction and use of internal pull-up resistor whenexternal VDD drops below BODOUT0 level.0 Maintain its previous state (input or output)1 Changed to input port and pull-up resistor is activatedP0PC (P0 Pin Change Interrupt Enable Register)C1 H7 6 5 4 3 2 1 0P07PC P06PC P05PC P04PC P03PC P02PC P01PC P00PCR/W R/W R/W R/W R/W R/W R/W R/WInitial value : 00 HP0PC[7:0]Controls Pin Change Interrupt function0 Disable PCI function1 Enable PCI function9.2.9 PORT 1P1 (P1 Data Register)88 H7 6 5 4 3 2 1 042 January, 2012 Rev.2.0