LAPIS Semiconductor ML610421, User Manual, Page: 11 / 437

ML610Q421/ML610Q422/ML610421 User’s Manual
Contents
Contents – 7
Chapter 18
18. Port 1 ............................................................................................................................................................. 18-1
18.1 Overview................................................................................................................................................... 18-1
18.1.1 Features ............................................................................................................................................. 18-1
18.1.2 Configuration .................................................................................................................................... 18-1
18.1.3 List of Pins ........................................................................................................................................ 18-1
18.2 Description of Registers ............................................................................................................................ 18-2
18.2.1 List of Registers ................................................................................................................................ 18-2
18.2.2 Port 1 Data Register (P1D) ............................................................................................................... 18-3
18.2.3 Port 1 Control Registers 0, 1 (P1CON0, P1CON1) .......................................................................... 18-4
18.3 Description of Operation........................................................................................................................... 18-5
18.3.1 Input Port Function ........................................................................................................................... 18-5
18.3.2 Secondary Function .......................................................................................................................... 18-5
Chapter 19
19. Port 2 ............................................................................................................................................................. 19-1
19.1 Overview................................................................................................................................................... 19-1
19.1.1 Features ............................................................................................................................................. 19-1
19.1.2 Configuration .................................................................................................................................... 19-1
19.1.3 List of Pins ........................................................................................................................................ 19-1
19.2 Description of Registers ............................................................................................................................ 19-2
19.2.1 List of Registers ................................................................................................................................ 19-2
19.2.2 Port 2 Data Register (P2D) ............................................................................................................... 19-3
19.2.3 Port 2 control registers 0, 1 (P2CON0, P2CON1) ............................................................................ 19-4
19.2.4 Port 2 Mode Register (P2MOD) ....................................................................................................... 19-5
19.3 Description of Operation........................................................................................................................... 19-6
19.3.1 Output Port Function ......................................................................................................................... 19-6
19.3.2 Secondary Function .......................................................................................................................... 19-6
Chapter 20
20. Port 3 ............................................................................................................................................................. 20-1
20.1 Overview................................................................................................................................................... 20-1
20.1.1 Features ............................................................................................................................................. 20-1
20.1.2 Configuration .................................................................................................................................... 20-1
20.1.3 List of Pins ........................................................................................................................................ 20-2
20.2 Description of Registers ............................................................................................................................ 20-3
20.2.1 List of Registers ................................................................................................................................ 20-3
20.2.2 Port 3 data register (P3D).................................................................................................................. 20-4
20.2.3 Port 3 Direction Register (P3DIR) .................................................................................................... 20-5
20.2.4 Port 3 control registers 0, 1 (P3CON0, P3CON1) ............................................................................ 20-6
20.2.5 Port 3 mode registers 0, 1 (P3MOD0, P3MOD1) ............................................................................. 20-8
20.3 Description of Operation......................................................................................................................... 20-10
20.3.1 Input/Output Port Functions............................................................................................................ 20-10
20.3.2 Secondary and Tertiary Functions .................................................................................................. 20-10
Chapter 21
21. Port 4 ............................................................................................................................................................. 21-1
21.1 Overview................................................................................................................................................... 21-1
21.1.1 Features ............................................................................................................................................. 21-1
21.1.2 Configuration .................................................................................................................................... 21-1
21.1.3 List of Pins ........................................................................................................................................ 21-2
21.2 Description of Registers ............................................................................................................................ 21-3
21.2.1 List of Registers ................................................................................................................................ 21-3
21.2.2 Port 4 Data Register (P4D) ............................................................................................................... 21-4