D78F0078Y View Datasheet(PDF) - NEC => Renesas Technology
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D78F0078Y Datasheet PDF : 592 Pages
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5.4.4 Short direct addressing ............................................................................................................. 88
5.4.5 Special function register (SFR) addressing ............................................................................... 89
5.4.6 Register indirect addressing ...................................................................................................... 90
5.4.7 Based addressing ..................................................................................................................... 91
5.4.8 Based indexed addressing ........................................................................................................ 92
5.4.9 Stack addressing ....................................................................................................................... 93
CHAPTER 6 PORT FUNCTIONS ..................................................................................................... 94
6.1 Port Functions ...................................................................................................................... 94
6.2 Port Configuration ............................................................................................................... 97
6.2.1 Port 0 ......................................................................................................................................... 97
6.2.2 Port 1 ......................................................................................................................................... 99
6.2.3 Port 2 ......................................................................................................................................... 100
6.2.4 Port 3 (µPD780078 Subseries) ................................................................................................. 104
6.2.5 Port 3 (µPD780078Y Subseries) ............................................................................................... 107
6.2.6 Port 4 ......................................................................................................................................... 110
6.2.7 Port 5 ......................................................................................................................................... 112
6.2.8 Port 6 ......................................................................................................................................... 113
6.2.9 Port 7 ......................................................................................................................................... 115
6.2.10 Port 8 ......................................................................................................................................... 117
6.3 Port Function Control Registers ........................................................................................ 118
6.4 Port Function Operations .................................................................................................... 125
6.4.1 Writing to I/O port ...................................................................................................................... 125
6.4.2 Reading from I/O port ............................................................................................................... 125
6.4.3 Operations on I/O port .........................www..Dat.aShee.t.net/.................................................................................. 125
6.5 Selection of Mask Option .................................................................................................... 126
CHAPTER 7 CLOCK GENERATOR ................................................................................................ 127
7.1 Clock Generator Functions ................................................................................................. 127
7.2 Clock Generator Configuration .......................................................................................... 127
7.3 Clock Generator Control Registers .................................................................................... 129
7.4 System Clock Oscillator ...................................................................................................... 133
7.4.1 Main system clock oscillator ...................................................................................................... 133
7.4.2 Subsystem clock oscillator ........................................................................................................ 134
7.4.3 When subsystem clock is not used ........................................................................................... 137
7.5 Clock Generator Operations ............................................................................................... 138
7.5.1 Main system clock operations ................................................................................................... 139
7.5.2 Subsystem clock operations ..................................................................................................... 140
7.6 Changing System Clock and CPU Clock Settings ............................................................ 140
7.6.1 Time required for switchover between system clock and CPU clock ........................................ 140
7.6.2 System clock and CPU clock switching procedure ................................................................... 141
CHAPTER 8 16-BIT TIMER/EVENT COUNTERS 00, 01 ............................................................. 142
8.1 Functions of 16-Bit Timer/Event Counters 00, 01 ............................................................. 142
8.2 Configuration of 16-Bit Timer/Event Counters 00, 01 ....................................................... 143
User’s Manual U14260EJ3V1UD
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