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Manuals and User Guides for NEC mPD780974. We have
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NEC mPD780974 manual available for free PDF download: Preliminary User's Manual
NEC mPD780974 Preliminary User's Manual (301 pages)
8-Bit Single-Chip Microcontrollers
Brand:
NEC
| Category:
Microcontrollers
| Size: 1.14 MB
Table of Contents
Table of Contents
11
Chapter 1 Outline
23
Features
23
Applications
23
Ordering Information
24
Quality Grade
24
Pin Configuration (Top View)
25
Series Product Development
27
Block Diagram
29
Outline of Function
30
Pin Function
31
Pin Function List
31
Description of Pin Functions
33
P00 to P07 (Port 0)
33
P10 to P14 (Port 1)
33
P20 to P27 (Port 2)
33
P30 to P37 (Port 3)
34
P40 to P44 (Port 4)
34
P50 to P54 (Port 5)
34
P60, P61 (Port 6)
35
P81 to P87 (Port 8)
35
P90 to P97 (Port 9)
36
COM0 to COM3
36
Lcd
36
Av Ref
36
Av Ss
36
Reset
36
X1 and X2
36
Smv
36
Smv Ss
36
VDD
36
PP ( Μ PD78F0974)
37
IC ( Μ PD780973(A))
37
Input/Output Circuits and Recommended Connection of Unused Pins
38
Chapter 3 Cpu Architecture
41
Memory Spaces
41
Internal Program Memory Space
43
Internal Data Memory Space
44
Special Function Register (SFR) Area
44
Data Memory Addressing
45
Processor Registers
47
Control Registers
47
General Registers
50
Special Function Registers (Sfrs)
51
Instruction Address Addressing
55
Relative Addressing
55
Immediate Addressing
56
Register Addressing
57
Operand Address Addressing
58
Implied Addressing
58
Register Addressing
59
Direct Addressing
60
Short Direct Addressing
61
Special-Function Register (SFR) Addressing
62
Register Indirect Addressing
63
Based Addressing
64
Based Indexed Addressing
64
Stack Addressing
65
Chapter 4 Eeprom
67
EEPROM Functions
67
EEPROM Configuration
68
EEPROM Control Register
69
EEPROM Reading
70
EEPROM Writing
71
EEPROM Control-Related Interrupt
71
Cautions Regarding EEPROM Writing
72
Chapter 5 Port Functions
73
Port Functions
73
Port Configuration
75
Port 0
75
Port 1
76
Port 2
77
Port 3
78
Port 4
79
Port 5
80
Port 6
81
Port 8
82
Port 9
83
Port Function Control Registers
84
Port Function Operations
88
Writing to Input/Output Port
88
Reading from Input/Output Port
88
Operations on Input/Output Port
88
Chapter 6 Clock Generator
89
Clock Generator Functions
89
Clock Generator Configuration
89
Clock Generator Control Register
90
System Clock Oscillator
92
Main System Clock Oscillator
92
Divider Circuit
94
Operation of Clock Generator
95
Changing Setting of CPU Clock
96
Time Required for Switching CPU Clock
96
Switching CPU Clock
97
Chapter 7 16-Bit Timer 0 Tm0
99
Outline of Internal Timer of Μ PD780973 Subseries
99
16-Bit Timer 0 Functions
100
16-Bit Timer 0 Configuration
102
16-Bit Timer 0 Control Registers
103
16-Bit Timer 0 Operations
106
Pulse Width Measurement Operations
106
16-Bit Timer 0 Cautions
109
Chapter 8 8-Bit Timer 1 Tm1
111
8-Bit Timer 1 Functions
111
8-Bit Timer 1 Configuration
112
8-Bit Timer 1 Control Registers
113
8-Bit Timer 1 Operations
115
8-Bit Interval Timer Operation
115
8-Bit Timer 1 Cautions
118
Chapter 9 8-Bit Timer/Event Counters 2, 3 Tm2, Tm3
119
8-Bit Timer/Event Counters 2 and 3 Functions
119
8-Bit Timer/Event Counters 2 and 3 Configurations
121
8-Bit Timer/Event Counters 2 and 3 Control Registers
122
8-Bit Timer/Event Counters 2 and 3 Operations
125
8-Bit Interval Timer Operation
125
External Event Counter Operation
127
Square-Wave Output Operation (8-Bit Resolution)
128
8-Bit PWM Output Operation
129
8-Bit Timer/Event Counters 2 and 3 Cautions
132
Chapter 10 Watch Timer
133
Watch Timer Functions
133
Watch Timer Configuration
134
Watch Timer Control Register
135
Watch Timer Operations
136
Watch Timer Operation
136
Interval Timer Operation
136
Chapter 11 Watchdog Timer
139
Watchdog Timer Functions
139
Watchdog Timer Configuration
141
Watchdog Timer Control Registers
141
Watchdog Timer Operations
143
Watchdog Timer Operation
143
Interval Timer Operation
144
Chapter 12 Clock Output Control Circuit
145
Clock Output Control Circuit Functions
145
Clock Output Control Circuit Configuration
145
Clock Output Control Circuit Control Registers
146
Clock Output Control Circuit Operation
148
Clock Output Operation
148
Chapter 13 A/D Converter
149
A/D Converter Functions
149
A/D Converter Configuration
150
A/D Converter Control Registers
152
A/D Converter Operations
155
Basic Operations of A/D Converter
155
Input Voltage and Conversion Results
157
A/D Converter Operation Mode
158
A/D Converter Cautions
160
Cautions on Emulation
163
Chapter 14 Serial Interface Uart
165
UART Functions
165
UART Configuration
166
UART Control Registers
167
UART Operations
171
Operation Stop Mode
171
Asynchronous Serial Interface (UART) Mode
171
Chapter 15 Serial Interface Sio3
183
SIO3 Functions
183
SIO3 Configuration
184
SIO3 Control Register
185
SIO3 Operations
186
Operation Stop Mode
186
Three-Wire Serial I/O Mode
187
Chapter 16 Lcd Controller/Driver
189
LCD Controller/Driver Functions
189
LCD Controller/Driver Configuration
190
LCD Controller/Driver Control Registers
192
LCD Controller/Driver Settings
194
LCD Display Data Memory
195
Common Signals and Segment Signals
196
Supplying LCD Drive Voltage
198
LC0 , VLC1 , and VLC2
198
Display Mode
200
4-Time-Division Display Example
200
Cautions on Emulation
203
Chapter 17 Sound Generator
205
Sound Generator Function
205
Sound Generator Configuration
206
Sound Generator Control Registers
207
Sound Generator Operations
212
To Output Basic Cycle Signal SGOF (Without Amplitude)
212
To Output Basic Cycle Signal SGO (with Amplitude)
212
Chapter 18 Meter Controller/Driver
213
Meter Controller/Driver Functions
213
Meter Controller/Driver Configuration
214
Meter Controller/Driver Control Registers
216
Meter Controller/Driver Operations
220
Basic Operation of Free-Running up Counter (MCNT)
220
To Update PWM Data
220
Operation of 1-Bit Addition Circuit
221
PWM Output Operation (Output with 1 Clock Shifted)
222
Chapter 19 Interrupt Functions
223
Interrupt Function Types
223
Interrupt Sources and Configuration
223
Interrupt Function Control Registers
227
Interrupt Servicing Operations
234
Non-Maskable Interrupt Request Acknowledge Operation
234
Maskable Interrupt Request Acknowledge Operation
237
Software Interrupt Request Acknowledge Operation
239
Multiple Interrupt Servicing
240
Interrupt Request Hold
243
Chapter 20 Standby Function
245
Standby Function and Configuration
245
Standby Function
245
Standby Function Control Register
246
Standby Function Operations
247
HALT Mode
247
STOP Mode
250
Chapter 21 Reset Function
253
Reset Function
253
CHAPTER 22 Μ PD78F0974
257
Memory Size Switching Register
258
Flash Memory Programming
259
Selection of Transmission Method
259
Flash Memory Programming Function
260
Flashpro II Connection
260
Chapter 23 Instruction Set
263
Legend for Operation List
264
Operand Identifiers and Description Formats
264
Description of "Operation" Column
265
Description of "Flag Operation" Column
265
Operation List
266
Instructions Listed by Addressing Type
274
Appendix A Development Tools
279
Language Processing Software
282
Flash Memory Writing Tools
283
Debugging Tools
284
Hardware
284
Software
286
Upgrading Former In-Circuit Emulator for 78K/0 Series to IE-78001-R-A
288
Appendix B Embedded Software
291
Appendix C Register Index
293
Register Index (in Alphabetical Order with Respect to Register Name)
293
Register Index (in Alphabetical Order with Respect to Register Symbol)
296
Appendix D Revision History
299
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