NEC uPD780226 Manuals

Manuals and User Guides for NEC uPD780226. We have 1 NEC uPD780226 manual available for free PDF download: User Manual

NEC uPD780226 User Manual (239 pages)

Subseries 8-bit Single-chip Microcontroller

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

Notes for Cmos Devices
3
Major Revisions in this Edition
5
Regional Information
6
Table of Contents
11
List of Figures
17
List of Tables
20
Chapter 1 General
21
Features
21
Application Fields
21
Ordering Information
21
Pin Configuration (Top View)
22
Series Expansion
24
Block Diagram
26
Functional Outline
27
Mask Option
28
Chapter 2 Pin Functions
29
Pin Function List
29
Pin Functions
32
P00 and P01 (Port 0)
32
P10 through P17 (Port 1)
32
P20 through P25 (Port 2)
32
P40 through P47 (Port 4)
33
P50 through P57 (Port 5)
33
P60 through P67 (Port 6)
33
P70 through P77 (Port 7)
33
P80 through P87 (Port 8)
33
P90 through P97 (Port 9)
34
P100 through P107 (Port 10)
34
FIP0 through FIP15
34
Load
34
Av DD
34
Av Ss
34
Reset
34
X1 and X2
34
VDD0 through VDD2
35
VSS0 and VSS1
35
VPP ( M PD78F0228 Only)
35
IC (Mask ROM Productonly)
35
I/O Circuits of Pins and Connections of Unused Pins
36
Chapter 3 Cpu Architecture
39
Memory Space
39
Internal Program Memory Space
42
Internal Data Memory Space
43
Special Function Register (SFR) Area
43
Data Memory Addressing
44
Processor Registers
48
Control Registers
48
General Registers
51
Special Function Registers (SFR: Special Function Register)
52
Addressing of Instruction Address
55
Relative Addressing
55
Immediate Addressing
56
Register Addressing
58
Addressing of Operand Address
59
Implied Addressing
59
Register Addressing
60
Direct Addressing
61
Short Direct Addressing
62
Special Function Register (SFR) Addressing
64
Register Indirect Addressing
65
Based Addressing
66
Based Indexed Addressing
67
Stack Addressing
67
Chapter 4 Port Functions
69
Port Functions
69
Port Configuration
71
Port 0
71
Port 1
73
Port 2
74
Port 4
76
Port 5
77
Port 6
78
Port 7
79
Port 8
80
Port 9
81
Port 10
82
Port Function Control Registers
83
Port Function Operations
86
Writing to Input/Output Port
86
Reading from Input/Output Port
86
Operations on Input/Output Port
86
Selecting Mask Option
87
Chapter 5 Clock Generator
89
Clock Generator Functions
89
Clock Generator Configuration
89
Register Controlling Clock Generation Circuit
90
System Clock Oscillator
91
Main System Clock Oscillator
91
Divider
93
Clock Generator Operations
94
Changing CPU Clock
95
Time Required to Change CPU Clock
95
CPU Clock Changing Procedure
96
Chapter 6 8-Bit Remote Control Timer
97
Function of 8-Bit Remote Control Timer
97
Configuration of 8-Bit Remote Control Timer
97
Registers Controlling 8-Bit Remote Control Timer
98
Operation of 8-Bit Remote Control Timer
100
Chapter 7 8-Bit Pwm Timers
103
Functions of 8-Bit PWM Timers
103
Configuration of 8-Bit PWM Timers
104
Registers Controlling 8-Bit PWM Timers
106
Operations of 8-Bit PWM Timers
109
Operation as Interval Timer (8-Bit Operation)
109
Operation as External Event Counter
112
Square Wave (8-Bit Resolution) Output Operation
113
8-Bit PWM Output Operation
114
Notes on 8-Bit PWM Timers
119
Chapter 8 Watchdog Timer
121
Function of Watchdog Timer
121
Configuration of Watchdog Timer
122
Registers Controlling Watchdog Timer
123
Operation of Watchdog Timer
126
Operation as Watchdog Timer
126
Operation as Interval Timer
127
Chapter 9 A/D Converter
129
Function of A/D Converter
129
Configuration of A/D Converter
129
Registers Controlling A/D Converter
132
Operation of A/D Converter
134
Basic Operation of A/D Converter
134
Input Voltage and Conversion Result
136
Operation Mode of A/D Converter
137
Notes on A/D Converter
138
Chapter 10 Serial Interface
141
Function of Serial Interface
141
Configuration of Serial Interface
141
Registers Controlling Serial Interface
143
Operation of Serial Interface
144
Operation Stop Mode
144
Three-Wire Serial I/O Mode
145
Chapter 11 Fip Controller/Driver
147
Function of FIP Controller/Driver
147
Configuration of FIP Controller/Driver
148
Registers Controlling FIP Controller/Driver
149
Control Registers
149
One Display Period and Blanking Width
153
Display Data Memory
154
Key Scan Flag and Key Scan Data
155
Key Scan Flag
155
Key Scan Data
155
Leakage Emission of Fluorescent Indicator Panel
156
Calculation of Total Power Dissipation
159
Chapter 12 Interrupt Functions
163
Interrupt Function Types
163
Interrupt Sources and Configuration
164
Interrupt Function Control Registers
168
Interrupt Servicing Operations
173
Non-Maskable Interrupt Request Acknowledge Operation
173
Maskable Interrupt Request Acknowledge Operation
176
Software Interrupt Request Acknowledge Operation
178
Multiple Interrupt Servicing
179
Interrupt Request Reserve
182
Chapter 13 Standby Function
183
Standby Function and Configuration
183
Standby Function
183
Standby Function Control Register
184
Standby Function Operations
185
HALT Mode
185
STOP Mode
188
Chapter 14 Reset Function
191
Reset Function
191
CHAPTER 15 M M M M M PD78F0228
195
Memory Size Select Register
196
Internal Expansion RAM Size Select Register
197
Flash Memory Programming
198
Selecting Communication Mode
198
Function of Flash Memory Programming
199
Connection of Flashpro II
200
Chapter 16 Instruction Set
201
Legend
202
Operand Identifiers and Description Methods
202
Description of "Operation" Column
203
Description of "Flag Operation" Column
203
Operation List
204
Instructions Listed by Addressing Type
212
APPENDIX A DIFFERENCES between M M M M M PD78044H, 780228, and 780208 SUBSERIES
217
Appendix B Development Tools
219
Language Processing Software
221
Flash Memory Writing Tools
222
Debugging Tools
223
Hardware
223
Software
224
OS for IBM PC
226
Appendix C Embedded Software
231
Real-Time os
232
Fuzzy Inference Development Support System
234
Appendix D Register Index
235
Register Index
235
Appendix E Revision History
237

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