NEC mPD780344 Series, Руководство пользователя

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User’s Manual U15798EJ2V0UD
3.2 Processor Registers ............................................................................................................... 65
3.2.1 Control registers ........................................................................................................................... 65
3.2.2 General-purpose registers ........................................................................................................... 69
3.2.3 Special-function registers (SFR) .................................................................................................. 70
3.3 Instruction Address Addressing ........................................................................................... 74
3.3.1 Relative addressing ...................................................................................................................... 74
3.3.2 Immediate addressing .................................................................................................................. 75
3.3.3 Table indirect addressing .............................................................................................................. 76
3.3.4 Register addressing ..................................................................................................................... 77
3.4 Operand Address Addressing ............................................................................................... 78
3.4.1 Implied addressing ....................................................................................................................... 78
3.4.2 Register addressing ..................................................................................................................... 79
3.4.3 Direct addressing ......................................................................................................................... 80
3.4.4 Short direct addressing ................................................................................................................ 81
3.4.5 Special function register (SFR) addressing .................................................................................. 82
3.4.6 Register indirect addressing ......................................................................................................... 83
3.4.7 Based addressing ........................................................................................................................ 84
3.4.8 Based indexed addressing ........................................................................................................... 85
3.4.9 Stack addressing .......................................................................................................................... 86
CHAPTER 4 PORT FUNCTIONS ..................................................................................................... 87
4.1 Port Functions ........................................................................................................................ 87
4.2 Port Configuration .................................................................................................................. 89
4.2.1 Port 0 ............................................................................................................................................ 89
4.2.2 Port 1 ............................................................................................................................................ 92
4.2.3 Port 2 ............................................................................................................................................ 93
4.2.4 Port 3 ............................................................................................................................................ 96
4.2.5 Port 4 ............................................................................................................................................ 100
4.2.6 Port 7 ............................................................................................................................................ 101
4.2.7 Port 8 ............................................................................................................................................ 102
4.2.8 Port 9 ............................................................................................................................................ 103
4.2.9 Port 10 .......................................................................................................................................... 104
4.2.10 Port 11 ........................................................................................................................................ 105
4.3 Port Function Control Registers ........................................................................................... 106
4.4 Port Function Operations ...................................................................................................... 111
4.4.1 Writing to I/O port ......................................................................................................................... 111
4.4.2 Reading from I/O port ................................................................................................................... 111
4.4.3 Operations on I/O port .................................................................................................................. 111
4.5 Selection of Mask Option ....................................................................................................... 112
CHAPTER 5 CLOCK GENERATOR ................................................................................................ 113
5.1 Clock Generator Functions .................................................................................................... 113
5.2 Clock Generator Configuration ............................................................................................. 113
5.3 Clock Generator Control Registers ....................................................................................... 115
5.4 System Clock Oscillator ......................................................................................................... 118
5.4.1 Main system clock oscillator ......................................................................................................... 118
5.4.2 Subsystem clock oscillator ........................................................................................................... 119
5.4.3 Examples of incorrect resonator connection ................................................................................ 120