NEC mPD78F9046 Manuals

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NEC mPD78F9046 User Manual (219 pages)

8-Bit Single-Chip Microcontrollers

Brand: NEC | Category: Microcontrollers | Size: 0 MB

Table of Contents
3
Notes for Cmos Devices
4
Regional Information
6
List of Tables
22
Chapter 1 General
23
Features
23
Applications
23
Ordering Information
23
Pin Configuration (Top View)
24
0S Series Development
25
Block Diagram
27
Functions
28
Chapter 2 Pin Functions
29
Pin Function List
29
Description of Pin Functions
31
P00 to P07 (Port 0)
31
P10 to P17 (Port 1)
31
P20 to P27 (Port 2)
31
P30, P31 (Port 3)
32
P40 to P47 (Port 4)
32
Reset
33
X1, X2
33
Xt1, Xt2
33
Vdd0 , Vdd1
33
Vss0 , Vss1
33
Vpp
33
IC0 (Masked ROM Version Only)
33
Pin Input/Output Circuits and Handling of Unused Pins
34
Chapter 3 Cpu Architecture
37
Memory Space
37
Internal Program Memory Space
39
Internal Data Memory (Internal High-Speed RAM) Space
39
Special Function Register (SFR) Area
39
Data Memory Addressing
40
Processor Registers
42
Control Registers
42
General-Purpose Registers
45
Special Function Register (SFR)
46
Instruction Address Addressing
49
Relative Addressing
49
Immediate Addressing
50
Register Addressing
51
Operand Address Addressing
52
Direct Addressing
52
Short Direct Addressing
53
Special Function Register (SFR) Addressing
54
Register Addressing
55
Register Indirect Addressing
56
Based Addressing
57
Stack Addressing
57
Chapter 4 Port Functions
59
Port Functions
59
Port Configuration
61
Port 0
61
Port 1
62
Port 2
63
Port 3
68
Port 4
69
Port Function Control Registers
70
Operation of Port Functions
73
Writing to I/O Port
73
Reading from I/O Port
73
Arithmetic Operation of I/O Port
73
Chapter 5 Clock Generation Circuit
75
Clock Generation Circuit Functions
75
Clock Generation Circuit Configuration
75
Registers Controlling Clock Generation Circuit
77
System Clock Oscillators
79
Main System Clock Oscillator
79
Subsystem Clock Oscillator
79
Scaler
81
When no Subsystem Clocks Are Used
81
Clock Generation Circuit Operation
82
Changing Setting of System Clock and CPU Clock
83
Time Required for Switching between System Clock and CPU Clock
83
Switching between System Clock and CPU Clock
84
Chapter 6 16-Bit Timer
85
16-Bit Timer Functions
85
16-Bit Timer Configuration
85
Registers Controlling 16-Bit Timer
88
16-Bit Timer Operation
92
Operation as Timer Interrupt
92
Operation as Timer Output
94
Capture Operation
95
16-Bit Timer Counter 90 Readout
96
Buzzer Output Operation
97
Notes on 16-Bit Timer
98
Chapter 7 8-Bit Timer/Event Counter
101
Functions of 8-Bit Timer/Event Counter
101
8-Bit Timer/Event Counter Configuration
102
8-Bit Timer/Event Counter Control Registers
103
Operation of 8-Bit Timer/Event Counter
105
Operation as Interval Timer
105
Operation as External Event Counter
107
Operation as Square Wave Output
108
PWM Output Operation
110
Notes on Using 8-Bit Timer/Event Counter
111
Chapter 8 Watch Timer
113
Watch Timer Functions
113
Watch Timer Configuration
114
Watch Timer Control Register
115
Watch Timer Operation
116
Operation as Watch Timer
116
Operation as Interval Timer
116
Chapter 9 Watchdog Timer
119
Watchdog Timer Functions
119
Watchdog Timer Configuration
120
Watchdog Timer Control Registers
121
Watchdog Timer Operation
123
Operation as Watchdog Timer
123
Operation as Interval Timer
124
Chapter 10 Serial Interface 20
125
Serial Interface 20 Functions
125
Serial Interface 20 Configuration
125
Serial Interface 20 Control Registers
129
Serial Interface 20 Operation
136
Operation Stop Mode
136
Asynchronous Serial Interface (UART) Mode
137
3-Wire Serial I/O Mode
149
Chapter 11 Interrupt Functions
159
Interrupt Function Types
159
Interrupt Sources and Configuration
159
Interrupt Function Control Registers
162
Interrupt Processing Operation
168
Non-Maskable Interrupt Request Acceptance Operation
168
Maskable Interrupt Request Acceptance Operation
170
Multiplexed Interrupt Processing
172
Interrupt Request Reserve
174
Chapter 12 Standby Function
175
Standby Function and Configuration
175
Standby Function
175
Standby Function Control Register
176
Operation of Standby Function
177
HALT Mode
177
STOP Mode
180
Chapter 13 Reset Function
183
CHAPTER 14 Μ Μ Μ Μ PD78F9046
187
Flash Memory Programming
188
Selecting Communication Mode
188
Function of Flash Memory Programming
189
Flashpro III Connection
189
Setting Example with Flashpro III (PG-FP3)
191
Chapter 15 Instruction Set
193
Operation
193
Operand Identifiers and Description Methods
193
Description of "Operation" Column
194
Description of "Flag" Column
194
Operation List
195
Instructions Listed by Addressing Type
200
Appendix A Development Tools
203
Language Processing Software
205
Flash Memory Writing Tools
206
Debugging Tools
206
Hardware
206
Software
207
Conversion Socket (EV-9200G-44) Drawing and Recommended Footprint
208
Conversion Adapter (TGB-044SAP) Drawing
210
Appendix B Embedded Software
211
Appendix C Register Index
213
Register Name Index (Alphabetic Order)
213
Register Symbol Index (Alphabetic Order)
215
Appendix D Revision History
217

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