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User’s Manual U17893EJ8V0UD
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3.1.5 Extended special function register (2nd SFR: 2nd Special Function Register) area ........................59
3.1.6 Data memory addressing ..................................................................................................................60
3.2 Processor Registers .................................................................................................................... 65
3.2.1 Control registers................................................................................................................................65
3.2.2 General-purpose registers ................................................................................................................67
3.2.3 ES and CS registers .........................................................................................................................69
3.2.4 Special function registers (SFRs)......................................................................................................70
3.2.5 Extended special function registers (2nd SFRs: 2nd Special Function Registers)............................76
3.3 Instruction Address Addressing ................................................................................................ 82
3.3.1 Relative addressing ..........................................................................................................................82
3.3.2 Immediate addressing.......................................................................................................................82
3.3.3 Table indirect addressing ..................................................................................................................83
3.3.4 Register direct addressing ................................................................................................................84
3.4 Addressing for Processing Data Addresses............................................................................. 85
3.4.1 Implied addressing ............................................................................................................................85
3.4.2 Register addressing ..........................................................................................................................85
3.4.3 Direct addressing ..............................................................................................................................86
3.4.4 Short direct addressing .....................................................................................................................87
3.4.5 SFR addressing ................................................................................................................................88
3.4.6 Register indirect addressing..............................................................................................................89
3.4.7 Based addressing .............................................................................................................................90
3.4.8 Based indexed addressing................................................................................................................93
3.4.9 Stack addressing ..............................................................................................................................94
CHAPTER 4 PORT FUNCTIONS ........................................................................................................... 95
4.1 Port Functions .............................................................................................................................. 95
4.2 Port Configuration ....................................................................................................................... 98
4.2.1 Port 0 ................................................................................................................................................99
4.2.2 Port 1 ..............................................................................................................................................104
4.2.3 Port 2 ..............................................................................................................................................110
4.2.4 Port 3 ..............................................................................................................................................111
4.2.5 Port 4 ..............................................................................................................................................113
4.2.6 Port 5 ..............................................................................................................................................121
4.2.7 Port 6 ..............................................................................................................................................123
4.2.8 Port 7 ..............................................................................................................................................126
4.2.9 Port 9 ..............................................................................................................................................127
4.2.10 Port 11 ..........................................................................................................................................128
4.2.11 Port 12 ..........................................................................................................................................129
4.2.12 Port 13 ..........................................................................................................................................132
4.2.13 Port 14 ..........................................................................................................................................133
4.3 Registers Controlling Port Function ........................................................................................ 137
4.4 Port Function Operations.......................................................................................................... 144
4.4.1 Writing to I/O port............................................................................................................................144
4.4.2 Reading from I/O port .....................................................................................................................144
4.4.3 Operations on I/O port ....................................................................................................................144
4.4.4 Connecting to external device with different power potential (2.5 V, 3 V) .......................................145
4.5 Settings of Port Mode Register and Output Latch When Using Alternate Function........... 147
4.6 Cautions on 1-Bit Manipulation Instruction for Port Register n (Pn).................................... 150