83 / 129 page  Port Definitions 78 PRELIMINARY V1.8 TABLE 51. Definition of P1IO TABLE 52. Definition of P1RD Definition Port-1 I/O Control Register bit-7 0: Input Mode 1: Output Mode Port-1 I/O Control Register bit-6 0: Input Mode 1: Output Mode Port-1 I/O Control Register bit-5 0: Input Mode 1: Output Mode Port-1 I/O Control Register bit-4 0: Input Mode 1: Output Mode Port-1 I/O Control Register bit-3 0: Input Mode 1: Output Mode Port-1 I/O Control Register bit-2 0: Input Mode 1: Output Mode Port-1 I/O Control Register bit-1 0: Input Mode 1: Output Mode Port-1 I/O Control Register bit-0 0: Input Mode 1: Output Mode Reset Value 0 0 0 0 0 0 0 0 Read/Write by Software R/W R/W R/W R/W R/W R/W R/W R/W Write by Hardware Address BBH Bit Addr. None BIT 7 6 5 4 3 2 1 0 NAME P1RD7 P1RD6 P1RD5 P1RD4 P1RD3 P1RD2 P1RD1 P1RD0 Definition Port-1 Resistor Disable Register bit-7 0: Resistor Enable 1: Disable Port-1 Resistor Disable Register bit-6 0: Resistor Enable 1: Disable Port-1 Resistor Disable Register bit-5 0: Resistor Enable 1: Disable Port-1 Resistor Disable Register bit-4 0: Resistor Enable 1: Disable Port-1 Resistor Disable Register bit-3 0: Resistor Enable 1: Disable Port-1 Resistor Disable Register bit-2 0: Resistor Enable 1: Disable Port-1 Resistor Disable Register bit-1 0: Resistor Enable 1: Disable Port-1 Resistor Disable Register bit-0 0: Resistor Enable 1: Disable Reset Value 0 0 0 0 0 0 0 0 Read/Write by Software R/W R/W R/W R/W R/W R/W R/W R/W Write by Hardware Address B9H |
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