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3.1.4
Data memory addressing ........................................................................................................
3.2
Processor Registers ........................................................................................................... 60
3.2.1
Control registers ......................................................................................................................
3.2.2
General-purpose registers ......................................................................................................
3.2.3
Special-function registers (SFRs) ...........................................................................................
3.3
Instruction Address Addressing ...................................................................................... 68
3.3.1
Relative addressing .................................................................................................................
3.3.2
Immediate addressing .............................................................................................................
3.3.3
Table indirect addressing ........................................................................................................
3.3.4
Register addressing ................................................................................................................
3.4
Operand Address Addressing .......................................................................................... 72
3.4.1
Implied addressing ..................................................................................................................
3.4.2
Register addressing ................................................................................................................
3.4.3
Direct addressing ....................................................................................................................
3.4.4
Short direct addressing ...........................................................................................................
3.4.5
Special-function register (SFR) addressing ...........................................................................
3.4.6
Register indirect addressing ...................................................................................................
3.4.7
Based addressing ....................................................................................................................
3.4.8
Based indexed addressing .....................................................................................................
3.4.9
Stack addressing .....................................................................................................................
CHAPTER 4 PORT FUNCTIONS ......................................................................................................... 80
4.1
Port Functions ..................................................................................................................... 80
4.2
Port Configuration .............................................................................................................. 83
4.2.1
Port 0 .......................................................................................................................................
4.2.2
Port 1 .......................................................................................................................................
4.2.3
Port 2 .......................................................................................................................................
4.2.4
Port 3 .......................................................................................................................................
4.2.5
Port 7 .......................................................................................................................................
4.2.6
Port 8 .......................................................................................................................................
4.2.7
Port 9 .......................................................................................................................................
4.2.8
Port 10 .....................................................................................................................................
4.2.9
Port 11 .....................................................................................................................................
4.2.10 Port 12 .....................................................................................................................................
4.3
Port Function Control Registers ...................................................................................... 95
4.4
Port Function Operations .................................................................................................. 98
4.4.1
Writing to I/O port ....................................................................................................................
4.4.2
Reading from I/O port .............................................................................................................
4.4.3
Operations on I/O port ............................................................................................................
4.5
Selection of Mask Option .................................................................................................. 99
CHAPTER 5 CLOCK GENERATOR .................................................................................................... 100
5.1
Clock Generator Functions ............................................................................................... 100
5.2
Clock Generator Configuration......................................................................................... 100
5.3
Clock Generator Control Registers .................................................................................. 102
5.4
System Clock Oscillator .................................................................................................... 109
5.4.1
Main system clock oscillator ................................................................................................... 109
5.4.2
Subsystem clock oscillator ..................................................................................................... 110
User's Manual U11302EJ4V0UM
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