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HD6437937 Datasheet(PDF) 8 Page - Hitachi Semiconductor |
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HD6437937 Datasheet(HTML) 8 Page - Hitachi Semiconductor |
8 / 521 page iv 7.1.1 Block Diagram ...................................................................................................... 131 Section 8 I/O Ports ............................................................................................................. 133 8.1 Overview ............................................................................................................................ 133 8.2 Port 1 .................................................................................................................................. 135 8.2.1 Overview............................................................................................................... 135 8.2.2 Register Configuration and Description ............................................................... 135 8.2.3 Pin Functions......................................................................................................... 140 8.2.4 Pin States............................................................................................................... 142 8.2.5 MOS Input Pull-Up............................................................................................... 142 8.3 Port 2 [Chip Internal I/O Port] ........................................................................................... 143 8.3.1 Overview............................................................................................................... 143 8.3.2 Register Configuration and Description ............................................................... 143 8.3.3 Function ................................................................................................................ 147 8.3.4 States ..................................................................................................................... 147 8.4 Port 3 .................................................................................................................................. 148 8.4.1 Overview............................................................................................................... 148 8.4.2 Register Configuration and Description ............................................................... 148 8.4.3 Pin Functions......................................................................................................... 151 8.4.4 Pin States............................................................................................................... 153 8.4.5 MOS Input Pull-Up............................................................................................... 153 8.5 Port 4* ................................................................................................................................ 154 8.5.1 Overview............................................................................................................... 154 8.5.2 Register Configuration and Description ............................................................... 154 8.5.3 Pin Functions......................................................................................................... 156 8.5.4 Pin States............................................................................................................... 157 8.6 Port 5 .................................................................................................................................. 158 8.6.1 Overview............................................................................................................... 158 8.6.2 Register Configuration and Description ............................................................... 158 8.6.3 Pin Functions......................................................................................................... 160 8.6.4 Pin States............................................................................................................... 161 8.6.5 MOS Input Pull-Up............................................................................................... 161 8.7 Port 6 .................................................................................................................................. 162 8.7.1 Overview............................................................................................................... 162 8.7.2 Register Configuration and Description ............................................................... 162 8.7.3 Pin Functions......................................................................................................... 164 8.7.4 Pin States............................................................................................................... 164 8.7.5 MOS Input Pull-Up............................................................................................... 164 8.8 Port 7 .................................................................................................................................. 165 8.8.1 Overview............................................................................................................... 165 8.8.2 Register Configuration and Description ............................................................... 165 8.8.3 Pin Functions......................................................................................................... 167 8.8.4 Pin States............................................................................................................... 167 |
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