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μ
PD784915A, 784916A
10
CONTENTS
1.
DIFFERENCES AMONG
μ
PD784915 SUBSERIES PRODUCTS ..................................................
11
2.
PIN FUNCTIONS..............................................................................................................................
2.1
Port Pins ................................................................................................................................................
2.2
Pins Other Than Port Pins....................................................................................................................
2.3
I/O Circuits and Connection of Unused Pins......................................................................................
12
12
13
15
3.
INTERNAL BLOCK FUNCTIONS....................................................................................................
3.1
CPU Registers .......................................................................................................................................
3.1.1 General-purpose registers .........................................................................................................
3.1.2 Other CPU registers....................................................................................................................
3.2
Memory Space.......................................................................................................................................
3.3
Special Function Registers (SFRs) .....................................................................................................
3.4
Ports .......................................................................................................................................................
3.5
Real-time Output Port ...........................................................................................................................
3.6
Super Timer Unit ...................................................................................................................................
3.7
Serial Interface ......................................................................................................................................
3.8
A/D Converter ........................................................................................................................................
3.9
VCR Analog Circuits .............................................................................................................................
3.10
Watch Function .....................................................................................................................................
3.11
Clock Output Function .........................................................................................................................
19
19
19
20
20
23
28
29
33
38
40
41
47
48
4.
INTERNAL/EXTERNAL CONTROL FUNCTION............................................................................
4.1
Interrupt Function .................................................................................................................................
4.1.1 Vector interrupt ...........................................................................................................................
4.1.2 Context switching .......................................................................................................................
4.1.3 Macro service ..............................................................................................................................
4.1.4 Application example of macro service .....................................................................................
4.2
Standby Function..................................................................................................................................
4.3
Clock Generator Circuit........................................................................................................................
4.4
Reset Function ......................................................................................................................................
49
49
51
51
52
54
57
59
60
5.
INSTRUCTION SETS.......................................................................................................................
61
6.
ELECTRICAL CHARACTERISTICS ...............................................................................................
65
7.
PACKAGE DRAWING .....................................................................................................................
77
8.
RECOMMENDED SOLDERING CONDITIONS...............................................................................
78
APPENDIX A. DEVELOPMENT TOOLS ...............................................................................................
79
APPENDIX B. RELATED DOCUMENTS ...............................................................................................
81