21
LIST OF FIGURES (1/8)
Figure No.
Title
Page
2-1
I/O Circuits of Pins..............................................................................................................................
58
3-1
3-2
3-3
3-4
3-5
3-6
3-7
3-8
3-9
3-10
3-11
m
PD784044 Memory Map...................................................................................................................
m
PD784046 Memory Map...................................................................................................................
Internal RAM Memory Map ................................................................................................................
Format of Internal Memory Size Select Register (IMS) ....................................................................
Format of Program Counter (PC).......................................................................................................
Format of Program Status Word (PSW) ............................................................................................
Format of Stack Pointer (SP) .............................................................................................................
Data Saved to Stack Area ..................................................................................................................
Data Restored from Stack Area .........................................................................................................
Format of General-Purpose Register.................................................................................................
General-Purpose Register Addresses ...............................................................................................
60
61
68
71
72
72
77
78
79
81
82
4-1
4-2
4-3
4-4
4-5
4-6
4-7
Block Diagram of Clock Generator ....................................................................................................
Clock Oscillator External Circuitry .....................................................................................................
Standby Control Register (STBC) Format .........................................................................................
Format of Oscillation Stabilization Time Specification Register (OSTS) .........................................
Signal Extraction with External Clock Input.......................................................................................
Cautions on Resonator Connection ...................................................................................................
Incorrect Example of Resonator Connection.....................................................................................
93
94
95
96
98
99
100
5-1
5-2
5-3
5-4
5-5
5-6
5-7
5-8
5-9
5-10
5-11
5-12
5-13
5-14
5-15
5-16
5-17
5-18
5-19
5-20
5-21
Port Configuration ...............................................................................................................................
Block Diagram of Port 0 .....................................................................................................................
Format of Port 0 Mode Register (PM0) .............................................................................................
Format of Real-Time Output Port Control Register (RTPC) .............................................................
Port Specified as Output Port ............................................................................................................
Port Specified as Input Port ...............................................................................................................
Pull-Up Resistor Option Register L (PUOL) Format .........................................................................
Pull-Up Resistor Specification (Port 0) ..............................................................................................
Block Diagram of Port 1 .....................................................................................................................
Format of Port 1 Mode Register (PM1) .............................................................................................
Format of Port 1 Mode Control Register (PMC1)..............................................................................
Port Specified as Output Port ............................................................................................................
Port Specified as Input Port ...............................................................................................................
Control Specification...........................................................................................................................
Block Diagram of P20 (Port 2) ...........................................................................................................
Block Diagram of P21 to P24 (Port 2) ...............................................................................................
Block Diagram of P25 to P27 (Port 2) ...............................................................................................
Format of Port 2 Mode Register (PM2) .............................................................................................
Format of Port 2 Mode Control Register (PMC2)..............................................................................
Port in Output Port Mode....................................................................................................................
Port in Input Port Mode ......................................................................................................................
103
105
106
106
107
108
109
110
112
113
113
114
115
116
118
119
119
120
120
121
122