iv
4.7 Idle
Cycle........................................................................................................................... 165
4.7.1 Operation .............................................................................................................. 165
4.7.2
Pin States in Idle Cycle......................................................................................... 173
4.8
Write Data Buffer Function ............................................................................................... 173
4.9 Bus
Release........................................................................................................................ 174
4.9.1 Overview............................................................................................................... 174
4.9.2 Operation .............................................................................................................. 175
4.9.3
Pin States in External Bus Released State ............................................................ 176
4.9.4 Transition
Timing ................................................................................................. 177
4.9.5 Usage
Notes .......................................................................................................... 178
4.10 Bus
Arbitration................................................................................................................... 179
4.10.1 Overview............................................................................................................... 179
4.10.2 Operation .............................................................................................................. 179
4.10.3 Bus Transfer Timing............................................................................................. 180
4.11 Bus Controller Operation in a Reset .................................................................................. 181
Section 5
I/O Ports
............................................................................................................. 183
5.1 Overview............................................................................................................................ 183
5.2 Port
1.................................................................................................................................. 192
5.2.1 Overview............................................................................................................... 192
5.2.2 Register
Configuration ......................................................................................... 193
5.2.3 Pin
Functions ........................................................................................................ 194
5.3 Port
2.................................................................................................................................. 203
5.3.1 Overview............................................................................................................... 203
5.3.2 Register
Configuration ......................................................................................... 204
5.3.3 Pin
Functions ........................................................................................................ 205
5.4 Port
3.................................................................................................................................. 214
5.4.1 Overview............................................................................................................... 214
5.4.2 Register
Configuration ......................................................................................... 215
5.4.3 Pin
Functions ........................................................................................................ 217
5.5 Port
4.................................................................................................................................. 220
5.5.1 Overview............................................................................................................... 220
5.5.2 Register
Configuration ......................................................................................... 220
5.5.3 Pin
Functions ........................................................................................................ 221
5.6 Port
5.................................................................................................................................. 222
5.6.1 Overview............................................................................................................... 222
5.6.2 Register
Configuration ......................................................................................... 222
5.6.3 Pin
Functions ........................................................................................................ 224
5.7 Port
6.................................................................................................................................. 227
5.7.1 Overview............................................................................................................... 227
5.7.2 Register
Configuration ......................................................................................... 227
5.7.3 Pin
Functions ........................................................................................................ 229
5.8 Port
7.................................................................................................................................. 233
Summary of Contents for H8S/2670
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