Mitsubishi Electric M30803FGFP/GP Manuals

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Mitsubishi Electric M30803FGFP/GP User Manual (710 pages)

Single-chip microcomputer

Brand: Mitsubishi Electric | Category: Computer Hardware | Size: 9 MB

Keep Safety First in Your Circuit Designs
2
Notes Regarding These Materials
2
How to Use this Manual
4
Table of Contents
8
Chapter 1 Hardware
19
Description
20
Pin Configuration
21
Block Diagram
24
Performance Outline
25
Pin Description
28
Operation of Functional Blocks
31
Memory
31
Central Processing Unit (CPU)
32
Flag Register (FLG)
35
Reset
37
Software Reset
45
Setting Processor Modes
45
Bus Settings
49
Bus Control
52
Chip Select Signals
52
ALE Signal
55
Ready Signal
55
Hold Signal
57
BCLK Output
57
Software Wait
58
Clock Generating Circuit
62
Clock Control
63
Main Clock
64
Sub Clock
64
Peripheral Function Clock
64
Clock Output
66
Stop Mode
67
Single-Chip Mode
68
Wait Mode
69
Status Transition of BCLK
70
Power Saving
72
Normal Operating Mode
72
Protection
74
Interrupt Outline
75
Hardware Interrupts
77
Interrupt Control Registers
81
Interrupt Control Register
82
Processor Interrupt Priority Level (IPL)
84
Interrupt Sequence
85
Changes of IPL When Interrupt Request Acknowledged
87
Saving Registers
87
Return from Interrupt Routine
88
Interrupt Priority
88
NMI Interrupt
91
Key Input Interrupt
91
Address Match Interrupt
92
Precautions for Interrupts
93
Watchdog Timer
97
Dmac
99
Transfer Cycle
105
Timer
110
Timer a
112
Timer Ai Mode Register
112
Timer Mode
115
Event Counter Mode
116
One-Shot Timer Mode
121
Specification
121
Pulse Width Modulation (PWM) Mode
122
Timer B
124
Timer Bi Mode Register
124
Pulse Period/Pulse Width Measurement Mode
128
Three-Phase Motor Control Timers' Functions
130
Serial I/O
142
UART0 to 4
142
Clock Synchronous Serial I/O Mode
155
Clock Asynchronous Serial I/O (UART) Mode
162
A-D Converter
184
One-Shot Mode
188
Repeat Mode
189
Single Sweep Mode
190
D-A Converter
194
CRC Calculation Circuit
196
X-Y Converter
198
DRAM Controller
201
DRAM Control Register
201
Programmable I/O Ports
208
Port P8 Direction Register
213
Usage Precaution
226
Stop Mode and Wait Mode
228
Reducing Power Consumption
235
DRAM Controller
235
Flash Memory Version
236
Electrical Characteristics
237
Rated Value
237
Timing Requirements
241
Switching Characteristics
246
Write Timing
250
Read Timing
254
Electrical Characteristics (VCC = 3V)
262
Outline Performance
284
Flash Memory
286
CPU Rewrite Mode
287
Block Address
287
Outline Performance (CPU Rewrite Mode)
288
Flash Memory Control Register
289
Precautions on CPU Rewrite Mode
292
Software Commands
293
Status Register
298
Functions to Inhibit Rewriting Flash Memory Version
301
ROM Code Protect Function
301
ID Code Check Function
302
Parallel I/O Mode
303
User ROM and Boot ROM Areas
303
Standard Serial I/O Mode
308
Overview of Standard Serial I/O Mode 1 (Clock Synchronized)
309
Full Status Check
323
Overview of Standard Serial I/O Mode 2 (Clock Asynchronized)
324
Chapter 2 Peripheral Functions Usage
339
Protect
340
Overview
340
Protect Operation
341
Precaution for Protect
342
Timer a
343
Overview
343
Operation of Timer a (Timer Mode)
349
Operation of Timer a (Timer Mode, Gate Function Selected)
351
Operation of Timer a (Timer Mode, Pulse Output Function Selected)
353
Operation of Timer a (Event Counter Mode, Reload Type Selected)
356
Operation of Timer a (Event Counter Mode, Free Run Type Selected)
358
Operation of Timer a
360
Normal Mode Selected)
360
Operation of Timer a
362
Multiply-By-4 Mode Selected)
362
Operation of Timer a
364
Free Run Type, Multiply-By-4 Mode and Z-Phase Input Selected)
364
Operation of Timer a (One-Shot Timer Mode)
366
Operation of Timer a (One-Shot Timer Mode, External Trigger Selected)
369
Operation of Timer a (Pulse Width Modulation Mode, 16-Bit PWM Mode Selected)
372
Operation of Timer a (Pulse Width Modulation Mode, 8-Bit PWM Mode Selected)
375
Precautions for Timer a (Timer Mode)
378
Precautions for Timer a (Event Counter Mode)
379
Precautions for Timer a (One-Shot Timer Mode)
382
Precautions for Timer a (Pulse Width Modulation Mode)
382
Timer B
383
Overview
383
Operation of Timer B (Timer Mode)
387
Operation of Timer B (Event Counter Mode)
389
Operation of Timer B (Pulse Period Measurement Mode)
391
Operation of Timer B (Pulse Width Measurement Mode)
393
Precautions for Timer B (Timer Mode, Event Counter Mode)
395
Precautions for Timer B (Pulse Period/Pulse Width Measurement Mode)
396
Clock-Synchronous Serial I/O
397
Overview
397
Operation of Serial I/O (Transmission in Clock-Synchronous Serial I/O Mode)
409
Example of Wiring
410
Operation of the Serial I/O
414
Mode, Transfer Clock Output from Multiple Pins Function Selected)
414
Operation of Serial I/O (Reception in Clock-Synchronous Serial I/O Mode)
418
Precautions for Serial I/O (in Clock-Synchronous Serial I/O Mode)
422
Clock-Asynchronous Serial I/O (UART)
424
Overview
424
Transfer Rate
425
Operation of Serial I/O (Transmission in UART Mode)
437
Example of Wiring
438
Example of Operation
438
Operation of Serial I/O (Reception in UART Mode)
442
Operation of Serial I/O (Transmission Used for SIM Interface)
446
Operation of Serial I/O (Reception Used for SIM Interface)
450
Clock Signals in Used for the SIM Interface
455
Serial Interface Special Function
459
Overview
459
Operation of Serial Interface Special Function
466
Without Delay) (Note)
466
Operation of Serial Interface Special Function
470
Clock Delay) (Note)
470
Operation of Serial Interface Special Function
474
Without Delay) (Note)
474
Operation of Serial Interface Special Function
478
Clock Delay) (Note)
478
A-D Converter
482
Overview
482
Operation of A-D Converter (One-Shot Mode)
488
Operation of A-D Converter (in One-Shot Mode, an External Trigger Selected)
490
Operation of A-D Converter (in One-Shot Mode, Expanded Analog Input Pin Selected)
492
Operation of A-D Converter (in One-Shot Mode, External Op-Amp Connection Mode Selected)
494
Operation of A-D Converter (in Repeat Mode)
496
Operation of A-D Converter (in Single Sweep Mode)
498
Operation of A-D Converter (in Repeat Sweep Mode 0)
500
Operation of A-D Converter (in Repeat Sweep Mode 1)
502
Precautions for A-D Converter
504
Method of A-D Conversion (10-Bit Mode)
505
Method of A-D Conversion (8-Bit Mode)
507
Absolute Accuracy and Differential Non-Linearity Error
509
Internal Equivalent Circuit of Analog Input
511
Sensor's Output Impedance under A-D Conversion
512
D-A Converter
514
Overview
514
D-A Converter Operation
515
Dmac
516
Overview
516
Operation of DMAC (One-Shot Transfer Mode)
521
Operation of DMAC (Repeated Transfer Mode)
523
CRC Calculation Circuit
526
Overview
526
Operation of CRC Calculation Circuit
527
X-Y Conversion
528
Overview
528
Read Data Conversion Mode
531
No Conversion Mode
533
Write Data Conversion Mode
535
Read/Write Data Conversion Mode
537
DRAM Controller
539
Overview
539
Operation of DRAM Controller
541
DRAM Shifting and Disabling
543
Watchdog Timer
545
Overview
545
Operation of Watchdog Timer (Watchdog Timer Interrupt)
549
Operation of Watchdog Timer (Reset)
551
Address Match Interrupt
553
Overview
553
Operation of Address Match Interrupt
555
Key-Input Interrupt
559
Overview
559
Operation of Key-Input Interrupt
562
Power Control
564
Overview
564
Stop Mode Set-Up
570
Wait Mode Set-Up
571
Precautions in Power Control
572
Programmable I/O Ports
574
Overview
574
Chapter 3 Examples of Peripheral Functions Applications
589
Long-Period Timers
591
Variable-Period Variable-Duty PWM Output
595
Delayed One-Shot Output
599
Buzzer Output
604
Solution for External Interrupt Pins Shortage
606
Memory to Memory DMA Transfer
608
Controlling Power Using Stop Mode
612
Controling Power Using Wait Mode
616
How to Enlarge Figures Using the X-Y Converter
620
How to Reduce Figures Using the X-Y Converter
624
Chapter 4 Interrupt
629
Overview of Interrupt
630
Type of Interrupts
630
Software Interrupts
631
Hardware Interrupts
632
Interrupts and Interrupt Vector Tables
634
Interrupt Control
637
Interrupt Enable Flag
639
Interrupt Request Bit
639
Interrupt Priority Level Select Bit and Processor Interrupt Priority Level (IPL)
640
Rewrite the Interrupt Control Register
641
Interrupt Sequence
642
Interrupt Response Time
643
Variation of IPL When Interrupt Request Is Accepted
644
Saving Registers
645
Returning from an Interrupt Routine
646
Interrupt Priority
646
Multiple Interrupts
646
Precautions for Interrupts
649
Chapter 5 External Buses
653
Overview of External Buses
654
Data Access
655
Data Bus Width
655
External Memory Area Mode
658
Connection Examples
663
Connectable Memories
671
Chapter 6 External ROM Version
687
Pin Configuration
689
Pin Description
690
Memory Map
693
Processor Mode
698
Appendix 1 Check Sheet
699
Appendix 2 Hexadecimal Instruction CODE Table
701
Appendix 3 a Practical Example of Connecting to the Reset IC
703
Appendix 4 Countermeasures against Noise
704
Wiring to Analog Input Pins
706
Setup for I/O Ports
708
Providing of Watchdog Timer Function by Software
709

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