18
3.2.16 V
SS0
and V
SS1
.............................................................................................................................
3.2.17 V
PP
(flash memory versions only)...............................................................................................
3.2.18 IC (mask ROM version only) ......................................................................................................
Pin Input/output Circuits and Recommended Connection of Unused Pins...................
70
70
70
71
3.3
CHAPTER 4 PIN FUNCTION (
μ
PD780024Y, 780034Y SUBSERIES) ........................................
75
4.1
4.2
Pin Function List..................................................................................................................
Description of Pin Functions ..............................................................................................
4.2.1
P00 to P03 (Port 0) ....................................................................................................................
4.2.2
P10 to P17 (Port 1) ....................................................................................................................
4.2.3
P20 to P25 (Port 2) ....................................................................................................................
4.2.4
P30 to P36 (Port 3) ....................................................................................................................
4.2.5
P40 to P47 (Port 4) ....................................................................................................................
4.2.6
P50 to P57 (Port 5) ....................................................................................................................
4.2.7
P64 to P67 (Port 6) ....................................................................................................................
4.2.8
P70 to P75 (Port 7) ....................................................................................................................
4.2.9
AV
REF
..........................................................................................................................................
4.2.10 AV
DD
...........................................................................................................................................
4.2.11 AV
SS
............................................................................................................................................
4.2.12 RESET .......................................................................................................................................
4.2.13 X1 and X2 ..................................................................................................................................
4.2.14 XT1 and XT2 ..............................................................................................................................
4.2.15 V
DD0
, V
DD1
...................................................................................................................................
4.2.16 V
SS0
, V
SS1
...................................................................................................................................
4.2.17 V
PP
(flash memory versions only)...............................................................................................
4.2.18 IC (mask ROM version only) ......................................................................................................
Pin Input/output Circuits and Recommended Connection of Unused Pins...................
75
78
78
78
79
79
80
80
80
81
81
81
81
82
82
82
82
82
82
82
83
4.3
CHAPTER 5 CPU ARCHITECTURE................................................................................................
87
5.1
Memory Spaces....................................................................................................................
5.1.1
Internal program memory space ................................................................................................
5.1.2
Internal data memory space.......................................................................................................
5.1.3
Special Function Register (SFR) area .......................................................................................
5.1.4
External memory space .............................................................................................................
5.1.5
Data memory addressing ...........................................................................................................
5.2 Processor Registers ............................................................................................................
5.2.1
Control registers .........................................................................................................................
5.2.2
General registers........................................................................................................................
5.2.3
Special Function Register (SFR)................................................................................................
5.3 Instruction Address Addressing ........................................................................................
5.3.1
Relative addressing....................................................................................................................
5.3.2
Immediate addressing ................................................................................................................
5.3.3
Table indirect addressing ...........................................................................................................
5.3.4
Register addressing ...................................................................................................................
5.4
Operand Address Addressing ............................................................................................
5.4.1
Implied addressing .....................................................................................................................
87
92
94
94
94
95
100
100
103
104
108
108
109
110
111
112
112