NEC uPD78056Y - Manual (Page 19)

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5.3.3 Table indirect addressing ..................................................................................................... 120
5.3.4 Register addressing ............................................................................................................. 120
5.4 Operand Address Addressing ......................................................................................... 121
5.4.1 Implied addressing .............................................................................................................. 121
5.4.2 Register addressing ............................................................................................................. 122
5.4.3 Direct addressing ................................................................................................................. 123
5.4.4 Short direct addressing ........................................................................................................ 124
5.4.5 Special-Function Register (SFR) addressing ...................................................................... 125
5.4.6 Register indirect addressing ................................................................................................ 126
5.4.7 Based addressing ................................................................................................................ 127
5.4.8 Based indexed addressing .................................................................................................. 128
5.4.9 Stack addressing ................................................................................................................. 128
CHAPTER 6 PORT FUNCTIONS .................................................................................................... 129
6.1 Port Functions ................................................................................................................... 129
6.2 Port Configuration ............................................................................................................ 134
6.2.1 Port 0 ................................................................................................................................... 134
6.2.2 Port 1 ................................................................................................................................... 136
6.2.3 Port 2 (
µ
PD78054 Subseries) .............................................................................................. 137
6.2.4 Port 2 (
µ
PD78054Y Subseries) ........................................................................................... 139
6.2.5 Port 3 ................................................................................................................................... 141
6.2.6 Port 4 ................................................................................................................................... 142
6.2.7 Port 5 ................................................................................................................................... 143
6.2.8 Port 6 ................................................................................................................................... 144
6.2.9 Port 7 ................................................................................................................................... 146
6.2.10 Port 12 ................................................................................................................................. 148
6.2.11 Port 13 ................................................................................................................................. 149
6.3 Port Function Control Registers ..................................................................................... 150
6.4 Port Function Operations ................................................................................................. 156
6.4.1 Writing to input/output port ................................................................................................... 156
6.4.2 Reading from input/output port ............................................................................................ 156
6.4.3 Operations on input/output port ........................................................................................... 157
6.5 Selection of Mask Option ................................................................................................. 157
CHAPTER 7 CLOCK GENERATOR ................................................................................................ 159
7.1 Clock Generator Functions .............................................................................................. 159
7.2 Clock Generator Configuration ....................................................................................... 159
7.3 Clock Generator Control Register ................................................................................... 161
7.4 System Clock Oscillator ................................................................................................... 165
7.4.1 Main system clock oscillator ................................................................................................ 165
7.4.2 Subsystem clock oscillator .................................................................................................. 166
7.4.3 Scaler ................................................................................................................................... 168
7.4.4 When no subsystem clocks are used .................................................................................. 168
7.5 Clock Generator Operations ............................................................................................ 169
7.5.1 Main system clock operations ............................................................................................. 170
7.5.2 Subsystem clock operations ................................................................................................ 171
7.6 Changing System Clock and CPU Clock Settings ......................................................... 171
7.6.1 Time required for switchover between system clock and CPU clock .................................. 171
7.6.2 System clock and CPU clock switching procedure .............................................................. 173