9
μPD780948, μPD78F0948, μPD780949, μPD78F0949
Chapter 3 CPU Architecture............................................................................................................
3.1
Memory Space .....................................................................................................................
3.1.1
Internal program memory space.............................................................................
3.1.2
Internal data memory space ....................................................................................
3.1.3
Special function register (SFR) area .......................................................................
3.1.4
External memory space...........................................................................................
3.1.5
Data memory addressing ........................................................................................
3.2
Processor Registers.............................................................................................................
3.2.1
Control registers ......................................................................................................
3.2.2
General registers......................................................................................................
3.2.3
Special function register (SFR) ...............................................................................
3.3
Instruction Address Addressing .........................................................................................
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 Adressing ...............................................................................................
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 .....................................................................................................
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52
54
56
56
56
57
59
59
62
63
68
68
69
70
71
72
72
73
74
75
76
77
78
79
79
Chapter 4 EEPROM..........................................................................................................................
81
4.1
4.2
4.3
4.4
4.5
4.6
EEPROM Functions .............................................................................................................
EEPROM Configuration .......................................................................................................
EEPROM Control Register...................................................................................................
EEPROM Reading ................................................................................................................
EEPROM Writing..................................................................................................................
EEPROM Control-Related Interrupt.....................................................................................
81
82
83
84
85
85
Chapter 5 Port Functions ................................................................................................................
87
5.1
5.2
Port Functions .....................................................................................................................
Port Configuration ...............................................................................................................
5.2.1
Port 0 ........................................................................................................................
5.2.2
Port 1 ........................................................................................................................
5.2.3
Port 2 (μPD780949 Subseries) .................................................................................
5.2.4
Port 3 ........................................................................................................................
5.2.5
Port 4 ........................................................................................................................
5.2.6
Port 5 ........................................................................................................................
5.2.7
Port 6 ........................................................................................................................
5.2.8
Port 7 ........................................................................................................................
5.2.9
Port 12 ......................................................................................................................
5.2.10 Port 13 ......................................................................................................................
5.2.11 Port 14 ......................................................................................................................
87
90
90
92
93
94
95
96
97
98
99
100
101