Datasheet
Rev. 3.00 Mar. 15, 2006 Page xii of xxxii 
Section 8 RAM..................................................................................................109 
Section 9 I/O Ports.............................................................................................111 
9.1  Port 1................................................................................................................................. 111 
9.1.1  Port Mode Register 1 (PMR1).......................................................................... 112 
9.1.2  Port Control Register 1 (PCR1)........................................................................ 113 
9.1.3  Port Data Register 1 (PDR1) ............................................................................ 113 
9.1.4  Port Pull-Up Control Register 1 (PUCR1)........................................................ 114 
9.1.5  Pin Functions .................................................................................................... 114 
9.2  Port 2................................................................................................................................. 116 
9.2.1  Port Control Register 2 (PCR2)........................................................................ 117 
9.2.2  Port Data Register 2 (PDR2) ............................................................................ 117 
9.2.3  Port Mode Register 3 (PMR3).......................................................................... 118 
9.2.4  Pin Functions .................................................................................................... 118 
9.3  Port 3................................................................................................................................. 120 
9.3.1  Port Control Register 3 (PCR3)........................................................................ 120 
9.3.2  Port Data Register 3 (PDR3) ............................................................................ 121 
9.3.3  Pin Functions .................................................................................................... 121 
9.4  Port 5................................................................................................................................. 123 
9.4.1  Port Mode Register 5 (PMR5).......................................................................... 124 
9.4.2  Port Control Register 5 (PCR5)........................................................................ 125 
9.4.3  Port Data Register 5 (PDR5) ............................................................................ 125 
9.4.4  Port Pull-Up Control Register 5 (PUCR5)........................................................ 126 
9.4.5  Pin Functions .................................................................................................... 126 
9.5  Port 6................................................................................................................................. 129 
9.5.1  Port Control Register 6 (PCR6)........................................................................ 129 
9.5.2  Port Data Register 6 (PDR6) ............................................................................ 130 
9.5.3  Pin Functions .................................................................................................... 130 
9.6  Port 7................................................................................................................................. 134 
9.6.1  Port Control Register 7 (PCR7)........................................................................ 134 
9.6.2  Port Data Register 7 (PDR7) ............................................................................ 135 
9.6.3  Pin Functions .................................................................................................... 135 
9.7  Port 8................................................................................................................................. 137 
9.7.1  Port Control Register 8 (PCR8)........................................................................ 138 
9.7.2  Port Data Register 8 (PDR8) ............................................................................ 138 
9.7.3  Pin Functions .................................................................................................... 139 
9.8  Port 9................................................................................................................................. 141 
9.8.1  Port Control Register 9 (PCR9)........................................................................ 142 
9.8.2  Port Data Register 9 (PDR9) ............................................................................ 142 
9.8.3  Pin Functions .................................................................................................... 143 










