vi
13.4.2 Block Diagram of UART Serial Interface ................................................ 13-37
13.4.3 Description of Registers for the UART Serial Interface........................... 13-38
13.4.4 Description of Operation........................................................................... 13-45
14. A/D Converter
14.1 Overview...................................................................................................................... 14-2
14.2 Features........................................................................................................................ 14-3
14.3 Block Diagram............................................................................................................. 14-4
14.4 Description of Registers............................................................................................... 14-5
14.5 Description of Operation.............................................................................................. 14-7
15. I/O Ports
15.1 Overview...................................................................................................................... 15-2
15.2 Port 0............................................................................................................................ 15-6
15.2.1 Block Diagram............................................................................................ 15-6
15.2.2 Register Descriptions.................................................................................. 15-7
15.2.3 Pin Configuration........................................................................................ 15-9
15.3 Port 1.......................................................................................................................... 15-10
15.3.1 Block Diagram.......................................................................................... 15-10
15.3.2 Register Descriptions................................................................................ 15-12
15.3.3 Pin Configuration...................................................................................... 15-14
15.4 Port 2.......................................................................................................................... 15-15
15.4.1 Block Diagram.......................................................................................... 15-15
15.4.2 Register Descriptions................................................................................ 15-16
15.4.3 Pin Configuration...................................................................................... 15-18
15.5 Port 3.......................................................................................................................... 15-19
15.5.1 Block Diagram.......................................................................................... 15-19
15.5.2 Register Descriptions................................................................................ 15-20
15.5.3 Pin Configurations .................................................................................... 15-21
15.6 Port 4.......................................................................................................................... 15-22
15.6.1 Block Diagram.......................................................................................... 15-22
15.6.2 Register Descriptions................................................................................ 15-25
15.6.3 Pin Configurations .................................................................................... 15-28
15.7 Port 5.......................................................................................................................... 15-29
15.7.1 Block Diagram.......................................................................................... 15-29
15.7.2 Register Descriptions................................................................................ 15-34
15.7.3 Pin Configurations .................................................................................... 15-37
15.8 Port 6.......................................................................................................................... 15-38
15.8.1 Block Diagram.......................................................................................... 15-38
15.8.2 Register Descriptions................................................................................ 15-39
15.8.3 Pin Configurations .................................................................................... 15-40
15.9 Port 7.......................................................................................................................... 15-41
15.9.1 Block Diagram.......................................................................................... 15-41
15.9.2 Register Descriptions................................................................................ 15-42