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NEC UPD789026 Series Microcontrollers Manuals
Manuals and User Guides for NEC UPD789026 Series Microcontrollers. We have
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NEC UPD789026 Series Microcontrollers manual available for free PDF download: User Manual
NEC UPD789026 Series User Manual (213 pages)
8-Bit Single-Chip
Brand:
NEC
| Category:
Microcontrollers
| Size: 1.06 MB
Table of Contents
Section 1
3
Table of Contents
3
Section 2
13
Applications
23
Chapter 1 General
23
Features
23
Ordering Information
24
Pin Configuration (Top View)
25
Development of 78K/0S Series
28
Block Diagram
30
Outline of Functions
31
Chapter 2 Pin Functions
33
List of Pin Functions
33
Description of Pin Functions
35
P00 to P07 (Port 0)
35
P10 to P17 (Port 1)
35
P20 to P22 (Port 2)
35
P30 to P32 (Port 3)
36
P40 to P47 (Port 4)
36
P50 to P53 (Port 5)
37
PD78F9026A Only)
37
Reset
37
VDD
37
Vss
37
X1, X2
37
IC (Mask ROM Model Only)
38
Pin Input/Output Circuits and Connection of Unused Pins
39
Chapter 3 Cpu Architecture
41
Memory Space
41
Internal Program Memory Space
46
Internal Data Memory (Internal High-Speed RAM) Space
47
Special Function Register (SFR) Area
47
Data Memory Addressing
48
Control Registers
53
Processor Registers
53
General-Purpose Registers
56
Special Function Register (SFR)
57
Instruction Address Addressing
60
Relative Addressing
60
Immediate Addressing
61
Register Addressing
62
Direct Addressing
63
Operand Address Addressing
63
Short Direct Addressing
64
Special Function Register (SFR) Addressing
65
Register Addressing
66
Register Indirect Addressing
67
Based Addressing
68
Stack Addressing
68
Chapter 4 Port Functions
69
Functions of Ports
69
Port 0
71
Port Configuration
71
Port 1
72
Port 2
73
Port 3
76
Port 4
77
Port 5
78
Port Function Control Registers
81
Arithmetic Operation of I/O Port
83
Operation of Port Functions
83
Reading from I/O Port
83
Writing to I/O Port
83
Chapter 5 Clock Generation Circuit
85
Configuration of Clock Generation Circuit
85
Function of Clock Generation Circuit
85
Register Controlling Clock Generation Circuit
86
System Clock Oscillation Circuit
87
System Clock Oscillation Circuits
87
Divider Circuit
89
Operation of Clock Generation Circuit
90
Changing Setting of System Clock and CPU Clock
91
Switching CPU Clock
91
Time Required for Switching between System Clock and CPU Clock
91
16-Bit Timer Functions
93
Chapter 6 16-Bit Timer
93
16-Bit Timer Configuration
94
Registers Controlling 16-Bit Timer
96
16-Bit Timer Operation
99
Operation as Timer Interrupt
99
Operation as Timer Output
101
Capture Operation
102
16-Bit Timer Counter 20 Readout
103
8-Bit Timer/Event Counter Functions
105
Chapter 7 8-Bit Timer/Event Counter
105
8-Bit Timer/Event Counter Configuration
106
8-Bit Timer/Event Counter Control Registers
107
8-Bit Timer/Event Counter Operation
109
Operation as Interval Timer
109
Operation as External Event Counter
111
Operation as Square Wave Output
112
Notes on Using 8-Bit Timer/Event Counters
114
Chapter 8 Watchdog Timer
115
Watchdog Timer Functions
115
Watchdog Timer Configuration
116
Watchdog Timer Control Registers
117
Operation as Watchdog Timer
119
Operation of Watchdog Timer
119
Operation as Interval Timer
120
Chapter 9 Serial Interface 00
121
Serial Interface 00 Configuration
121
Serial Interface 00 Functions
121
Serial Interface 00 Control Register
125
Operation Stop Mode
132
Serial Interface 00 Operation
132
Asynchronous Serial Interface (UART) Mode
134
3-Wire Serial I/O Mode
145
Chapter 10 Interrupt Functions
149
Interrupt Function Types
149
Interrupt Sources and Configuration
149
Interrupt Function Control Registers
152
Interrupt Processing Operation
158
Non-Maskable Interrupt Request Acceptance Operation
158
Maskable Interrupt Request Acceptance Operation
161
Nesting Processing
163
Interrupt Request Reserve
165
Chapter 11 Standby Function
167
Standby Function
167
Standby Function and Configuration
167
Standby Function Control Register
168
HALT Mode
169
Operation of Standby Function
169
STOP Mode
172
Chapter 12 Reset Function
175
CHAPTER 13 Μ Μ Μ Μ PD78F9026A
179
Flash Memory Programming
180
Selecting Communication Mode
180
Connection Example of Flashpro III
181
Flash Memory Programming Function
181
Setting Example When Using Flashpro III (PG-FP3)
183
Chapter 14 Instruction Set
185
Operand Identifiers and Writing Methods
185
Operation
185
Description of "Flag" Column
186
Description of "Operation" Column
186
Operation List
187
Instructions Listed by Addressing Type
192
Appendix A Development Tools
195
Language Processing Software
197
Flash Memory Writing Tools
198
Debugging Tools
199
Hardware
199
Www.datasheet4U.com
199
Www.datasheet4U.com Software
200
Conversion Socket (EV-9200G-44) Drawing and Recommended Footprint
201
Conversion Adapter (TGB-044SAP) Drawing
203
Appendix B Embedded Software
205
Appendix C Register Index
207
Register Name Index
207
Register Symbol Index
209
Appendix D Revision History
211
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