IBM uPD78082 User Manual
Page 13
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3.2.3
Special Function Register (SFR) .........................................................................................
37
3.3
Instruction Address Addressing .....................................................................................
40
3.3.1
Relative Addressing .............................................................................................................
40
3.3.2
Immediate addressing .........................................................................................................
41
3.3.3
Table indirect addressing .....................................................................................................
42
3.3.4
Register addressing .............................................................................................................
43
3.4
Operand Address Addressing .........................................................................................
44
3.4.1
Implied addressing ..............................................................................................................
44
3.4.2
Register addressing .............................................................................................................
45
3.4.3
Direct addressing .................................................................................................................
46
3.4.4
Short direct addressing ........................................................................................................
47
3.4.5
Special-Function Register (SFR) addressing ......................................................................
49
3.4.6
Register indirect addressing ................................................................................................
50
3.4.7
Based addressing ................................................................................................................
51
3.4.8
Based indexed addressing ..................................................................................................
52
3.4.9
Stack addressing .................................................................................................................
52
CHAPTER 4
PORT FUNCTIONS ....................................................................................................
53
4.1
Port Functions ...................................................................................................................
53
4.2
Port Configuration ............................................................................................................
55
4.2.1
Port 0 ...................................................................................................................................
55
4.2.2
Port 1 ...................................................................................................................................
57
4.2.3
Port 3 ...................................................................................................................................
58
4.2.4
Port 5 ...................................................................................................................................
59
4.2.5
Port 7 ...................................................................................................................................
60
4.2.6
Port 10 .................................................................................................................................
62
4.3
Port Function Control Registers .....................................................................................
63
4.4
Port Function Operations .................................................................................................
67
4.4.1
Writing to input/output port ...................................................................................................
67
4.4.2
Reading from input/output port ............................................................................................
67
4.4.3
Operations on input/output port ...........................................................................................
67
CHAPTER 5
CLOCK GENERATOR ................................................................................................
69
5.1
Clock Generator Functions ..............................................................................................
69
5.2
Clock Generator Configuration .......................................................................................
69
5.3
Clock Generator Control Register ...................................................................................
71
5.4
System Clock Oscillator ...................................................................................................
73
5.4.1
Main system clock oscillator ................................................................................................
73
5.4.2
Scaler ...................................................................................................................................
75
5.5
Clock Generator Operations ............................................................................................
76
5.6
Changing CPU Clock Settings .........................................................................................
77
5.6.1
Time required for CPU clock switchover ..............................................................................
77
5.6.2
CPU clock switching procedure ...........................................................................................
78
CHAPTER 6
8-BIT TIMER/EVENT COUNTERS 5 AND 6 ..............................................................
79
6.1
8-Bit Timer/Event Counters 5 and 6 Functions ..............................................................
80
6.2
8-Bit Timer/Event Counters 5 and 6 Configurations ......................................................
82
6.3
8-Bit Timer/Event Counters 5 and 6 Control Registers .................................................
84