NEC mPD780021YA Manuals

Manuals and User Guides for NEC mPD780021YA. We have 1 NEC mPD780021YA manual available for free PDF download: Preliminary User's Manual

NEC mPD780021YA Preliminary User's Manual (443 pages)

8-BIT SINGLE-CHIP MICROCONTROLLERS

Brand: NEC | Category: Microcontrollers | Size: 2 MB

Notes for Cmos Devices
3
Regional Information
6
Major Revisions in this Edition
7
Table of Contents
17
List of Figures
25
CHAPTER 1 OUTLINE ( Μ PD780024, 780034 SUBSERIES)
31
Features
31
Applications
32
Ordering Information
33
Quality Grade
35
Pin Configuration (Top View)
37
Series Expansion
41
Block Diagram
43
Outline of Function
44
Difference between Standard Grade and Special Grade
45
Mask Options
45
CHAPTER 2 OUTLINE ( Μ PD780024Y, 780034Y SUBSERIES)
47
Features
47
Applications
48
Ordering Information
49
Quality Grade
51
Pin Configuration (Top View)
53
Series Expansion
57
Block Diagram
59
Outline of Function
60
Difference between Standard Grade and Special Grade
61
Mask Options
61
CHAPTER 3 PIN FUNCTION ( Μ PD780024, 780034 SUBSERIES)
63
Pin Function List
63
Description of Pin Functions
66
P00 to P03 (Port 0)
66
P10 to P17 (Port 1)
66
P20 to P25 (Port 2)
67
P30 to P36 (Port 3)
67
P40 to P47 (Port 4)
68
P50 to P57 (Port 5)
68
P64 to P67 (Port 6)
68
P70 to P75 (Port 7)
69
Av Ref
69
Av DD
69
Av Ss
69
Reset
70
X1 and X2
70
XT1 and XT2
70
VDD0 and VDD1
70
VSS0 and VSS1
70
PP (Flash Memory Versions Only)
70
IC (Mask ROM Version Only)
70
Pin Input/Output Circuits and Recommended Connection of Unused Pins
71
CHAPTER 4 PIN FUNCTION ( Μ PD780024Y, 780034Y SUBSERIES)
75
Pin Function List
75
Description of Pin Functions
78
P00 to P03 (Port 0)
78
P10 to P17 (Port 1)
78
P20 to P25 (Port 2)
79
P30 to P36 (Port 3)
79
P40 to P47 (Port 4)
80
P50 to P57 (Port 5)
80
P64 to P67 (Port 6)
80
P70 to P75 (Port 7)
81
Av Ref
81
Av DD
81
Av Ss
81
Reset
82
X1 and X2
82
XT1 and XT2
82
Vdd0 , Vdd1
82
Vss0 , Vss1
82
PP (Flash Memory Versions Only)
82
IC (Mask ROM Version Only)
82
Pin Input/Output Circuits and Recommended Connection of Unused Pins
83
Chapter 5 Cpu Architecture
87
Memory Spaces
87
Internal Program Memory Space
92
Internal Data Memory Space
94
Special Function Register (SFR) Area
94
External Memory Space
94
Data Memory Addressing
95
Processor Registers
100
Control Registers
100
General Registers
103
Special Function Register (SFR)
104
Instruction Address Addressing
108
Relative Addressing
108
Immediate Addressing
109
Register Addressing
111
Operand Address Addressing
112
Implied Addressing
112
Register Addressing
113
Direct Addressing
114
Short Direct Addressing
115
Special-Function Register (SFR) Addressing
117
Register Indirect Addressing
118
Based Addressing
119
Based Indexed Addressing
120
Stack Addressing
120
Chapter 6 Port Functions
121
Port Functions
121
Port Configuration
124
Port 0
124
Port 1
125
Port 2
126
Port 3 ( Μ PD780024, 780034 Subseries)
127
Port 3 ( Μ PD780024Y, 780034Y Subseries)
129
Port 4
132
Port 5
133
Port 6
134
Port 7
135
Port Function Control Registers
136
Port Function Operations
140
Writing to Input/Output Port
140
Reading from Input/Output Port
140
Operations on Input/Output Port
140
Selection of Mask Option
141
Chapter 7 Clock Generator
143
Clock Generator Functions
143
Clock Generator Configuration
143
Clock Generator Control Register
145
System Clock Oscillator
147
Main System Clock Oscillator
147
Subsystem Clock Oscillator
148
Scaler
151
When no Subsystem Clocks Are Used
151
Clock Generator Operations
152
Main System Clock Operations
153
Subsystem Clock Operations
154
Changing System Clock and CPU Clock Settings
154
Time Required for Switchover between System Clock and CPU Clock
154
System Clock and CPU Clock Switching Procedure
156
Chapter 8 16-Bit Timer/Event Counter
157
Outline of Timer Integrated in Μ PD780024, 780034, 780024Y, 780034Y Subseries
157
16-Bit Timer/Event Counter Functions
158
16-Bit Timer/Event Counter Configuration
160
Registers to Control 16-Bit Timer/Event Counter
162
16-Bit Timer/Event Counter Operations
168
Interval Timer Operations
168
PPG Output Operations
170
Pulse Width Measurement Operations
171
External Event Counter Operation
178
Square-Wave Output Operation
179
One-Shot Pulse Output Operation
181
16-Bit Timer/Event Counter Operating Precautions
184
Chapter 9 8-Bit Timer/Event Counter
189
8-Bit Timer/Event Counter Functions
189
8-Bit Timer/Event Counter Configurations
191
Registers to Control 8-Bit Timer/Event Counter
192
8-Bit Timer/Event Counter Operations
196
8-Bit Interval Timer Operation
196
External Event Counter Operation
200
Square-Wave Output (8-Bit Resolution) Operation
201
8-Bit PWM Output Operation
202
Interval Timer (16-Bit) Operations
205
8-Bit Timer/Event Counters Cautions
206
Chapter 10 Watch Timer
209
Watch Timer Functions
209
Watch Timer Configuration
210
Register to Control Watch Timer
211
Watch Timer Operations
212
Watch Timer Operation
212
Interval Timer Operation
212
Chapter 11 Watchdog Timer
215
Watchdog Timer Functions
215
Watchdog Timer Configuration
217
Registers to Control the Watchdog Timer
217
Watchdog Timer Operations
221
Watchdog Timer Operation
221
Interval Timer Operation
222
Chapter 12 Clock Output/Buzzer Output Control Circuits
223
Clock Output/Buzzer Output Control Circuit Functions
223
Clock Output/Buzzer Output Control Circuit Configuration
224
Register to Control Clock Output/Buzzer Output Control Circuit
224
Clock Output/Buzzer Output Control Circuit Operations
227
Operation as Clock Output
227
Operation as Buzzer Output
227
CHAPTER 13 8-BIT A/D CONVERTER ( Μ PD780024, 780024Y SUBSERIES)
229
A/D Converter Functions
229
A/D Converter Configuration
230
Registers to Control A/D Converter
232
A/D Converter Operations
236
Basic Operations of A/D Converter
236
Input Voltage and Conversion Results
238
A/D Converter Operation Mode
239
A/D Converter Cautions
242
CHAPTER 14 10-BIT A/D CONVERTER ( Μ PD780034, 780034Y SUBSERIES)
247
A/D Converter Functions
247
A/D Converter Configuration
248
Registers to Control A/D Converter
249
A/D Converter Operation
252
Basic Operations of A/D Converter
252
Input Voltage and Conversion Results
254
A/D Converter Operation Mode
255
A/D Converter Cautions
257
Chapter 15 Serial Interface Outline
261
Chapter 16 Serial Interface (Uart0)
263
Serial Interface Functions
263
Serial Interface Configuration
264
Registers to Control Serial Interface
265
Serial Interface Operations
269
Operation Stop Mode
269
Asynchronous Serial Interface (UART) Mode
269
Infrared Data Transfer Mode
281
Chapter 17 Serial Interface (Sio3)
285
Serial Interface Functions
286
Serial Interface Configuration
287
Register to Control Serial Interface
288
Serial Interface Operations
289
Operation Stop Mode
289
3-Wire Serial I/O Mode
290
CHAPTER 18 SERIAL INTERFACE (IIC0) ( Μ PD780024Y, 780034Y SUBSERIES ONLY)
293
Serial Interface Functions
293
Serial Interface Configuration
296
Registers to Control Serial Interface
297
I C Bus Mode Functions
306
Pin Configuration
306
I 2 C Bus Definitions and Control Methods
307
Start Conditions
307
Addresses
308
Transfer Direction Specification
308
Acknowledge (ACK) Signal
309
Stop Condition
310
Wait Signal (WAIT)
311
I 2 C Interrupt Requests (INTIIC0)
313
Interrupt Request (INTIIC0) Generation Timing and Wait Control
332
Address Match Detection Method
333
Error Detection
333
Extension Code
333
Arbitration
334
Wake up Function
335
Communication Reservation
336
Other Cautions
338
Communication Operations
339
Timing Charts
341
Chapter 19 Interrupt Functions
349
Interrupt Function Types
349
Interrupt Sources and Configuration
349
Interrupt Function Control Registers
353
Interrupt Servicing Operations
359
Non-Maskable Interrupt Request Acknowledge Operation
359
Maskable Interrupt Acknowledge Operation
362
Software Interrupt Request Acknowledge Operation
364
Multiple Interrupt Servicing
365
Interrupt Request Hold
368
Chapter 20 External Device Expansion Function
369
External Device Expansion Function
369
External Device Expansion Function Control Register
372
External Device Expansion Function Timing
374
Example of Connection with Memory
379
Chapter 21 Standby Function
381
Standby Function and Configuration
381
Standby Function
381
Standby Function Control Register
382
Standby Function Operations
383
HALT Mode
383
STOP Mode
386
Chapter 22 Reset Function
389
Reset Function
389
CHAPTER 23 Μ PD78F0034, 78F0034Y
393
Memory Size Switching Register
395
Flash Memory Programming
396
Selection of Transmission Method
396
Flash Memory Programming Function
397
Flashpro II Connection
397
Chapter 24 Instruction Set
399
Legends Used in Operation List
400
Operand Identifiers and Description Methods
400
Description of "Operation" Column
401
Description of "Flag Operation" Column
401
Operation List
402
Instructions Listed by Addressing Type
410
APPENDIX A DIFFERENCES between Μ PD78014H, 78018F, 780024
415
And 780034 Subseries
415
Appendix B Development Tools
417
Language Processing Software
419
Flash Memory Writing Tools
420
Debugging Tools
421
Hardware
421
Software
423
System Upgrade from Former In-Circuit Emulator for 78K/0 Series to IE-78001-R-A
425
Appendix C Embedded Software
429
Real-Time os
430
Appendix D Register Index
433
Register Index (in Alphabetical Order with Respect to Register Names)
433
Register Index (in Alphabetical Order with Respect to Register Symbol)
436
Appendix E Revision History
439

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