
iv
7.3.2
Register Configuration and Descriptions .............................................................. 145
7.3.3
Pin Functions......................................................................................................... 151
7.4
Usage Notes........................................................................................................................ 154
Section 8 I/O Ports (HD404394 Series) ......................................................................... 157
8.1
Overview ............................................................................................................................ 157
8.1.1
Features ................................................................................................................. 157
8.1.2
I/O Control ............................................................................................................ 159
8.1.3
I/O Pin Circuit Structures...................................................................................... 162
8.1.4
Port States in Low Power Modes .......................................................................... 166
8.1.5
Handling Unused Pins........................................................................................... 166
8.2
D Port.................................................................................................................................. 167
8.2.1
Overview ............................................................................................................... 167
8.2.2
Register Configuration and Descriptions .............................................................. 168
8.2.3
Pin Functions......................................................................................................... 170
8.3
R Ports ................................................................................................................................ 171
8.3.1
Overview ............................................................................................................... 171
8.3.2
Register Configuration and Descriptions .............................................................. 172
8.3.3
Pin Functions......................................................................................................... 178
8.4
Usage Notes........................................................................................................................ 181
Section 9 I/O Ports (HD404318 Series) ......................................................................... 185
9.1
Overview ............................................................................................................................ 185
9.1.1
Features ................................................................................................................. 185
9.1.2
I/O Control ............................................................................................................ 188
9.1.3
I/O Pin Circuit Structures...................................................................................... 190
9.1.4
Port States in Low Power Modes .......................................................................... 195
9.1.5
Handling Unused Pins ........................................................................................... 195
9.2
D Port.................................................................................................................................. 196
9.2.1
Overview ............................................................................................................... 196
9.2.2
Register Configuration and Descriptions .............................................................. 197
9.2.3
Pin Functions......................................................................................................... 201
9.3
R Ports ................................................................................................................................ 202
9.3.1
Overview ............................................................................................................... 202
9.3.2
Register Configuration and Descriptions .............................................................. 204
9.3.3
Pin Functions......................................................................................................... 211
9.4
Usage Notes........................................................................................................................ 214
Section 10 I/O Ports (HD404358 and HD404358R Series)..................................... 217
10.1
Overview ............................................................................................................................ 217
10.1.1 Features ................................................................................................................. 217
10.1.2 I/O Control ............................................................................................................ 221
10.1.3 I/O Pin Circuit Structures...................................................................................... 223