User’s Manual U16603EJ5V1UD
10
4.3.6
Port 6 .......................................................................................................................................121
4.3.7
Port 7 .......................................................................................................................................125
4.3.8
Port 8 .......................................................................................................................................127
4.3.9
Port 9 .......................................................................................................................................129
4.3.10
Port CD ....................................................................................................................................137
4.3.11
Port CM ...................................................................................................................................138
4.3.12
Port CS ....................................................................................................................................140
4.3.13
Port CT ....................................................................................................................................142
4.3.14
Port DH ....................................................................................................................................144
4.3.15
Port DL ....................................................................................................................................146
4.4
Block Diagrams..................................................................................................................... 148
4.5
Port Register Settings When Alternate Function Is Used ................................................ 185
4.6
Cautions ................................................................................................................................ 195
4.6.1
Cautions on setting port pins ...................................................................................................195
4.6.2
Cautions on bit manipulation instruction for port n register (Pn)...............................................198
4.6.3
Cautions on on-chip debug pins...............................................................................................199
4.6.4
Cautions on P05/INTP2/DRST pin...........................................................................................199
4.6.5
Cautions on P10, P11, and P53 pins when power is turned on ............................................... 199
4.6.6
Hysteresis characteristics ........................................................................................................199
4.6.7
Cautions on separate bus mode ..............................................................................................199
CHAPTER 5 BUS CONTROL FUNCTION .......................................................................................... 200
5.1
Features................................................................................................................................. 200
5.2
Bus Control Pins................................................................................................................... 201
5.2.1
Pin status when internal ROM, internal RAM, or on-chip peripheral I/O is accessed...............201
5.2.2
Pin status in each operation mode...........................................................................................201
5.3
Memory Block Function....................................................................................................... 202
5.4
External Bus Interface Mode Control Function ................................................................. 203
5.5
Bus Access ........................................................................................................................... 204
5.5.1
Number of clocks for access....................................................................................................204
5.5.2
Bus size setting function ..........................................................................................................205
5.5.3
Access by bus size ..................................................................................................................206
5.6
Wait Function ........................................................................................................................ 213
5.6.1
Programmable wait function ....................................................................................................213
5.6.2
External wait function...............................................................................................................214
5.6.3
Relationship between programmable wait and external wait ................................................... 215
5.6.4
Programmable address wait function.......................................................................................216
5.7
Idle State Insertion Function ............................................................................................... 217
5.8
Bus Hold Function................................................................................................................ 218
5.8.1
Functional outline.....................................................................................................................218
5.8.2
Bus hold procedure..................................................................................................................219
5.8.3
Operation in power save mode ................................................................................................219
5.9
Bus Priority ........................................................................................................................... 220
5.10
Bus Timing ............................................................................................................................ 221
CHAPTER 6 CLOCK GENERATION FUNCTION .............................................................................. 227
6.1
Overview................................................................................................................................ 227
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